Openwrt list firewall rules. I want them to keep them isolated from the main network.

Openwrt list firewall rules I want to move it to 22. Like any other open source projects, the documentation almost always assumes that the users are very A firewall rule to allow or deny traffic to those IP address is then created. 0/24 This device has only two NICs, eth0, eth=1. You may OpenWrt configured fw3 and fw4 into various chains that result in a zone-based firewall. 255. I would like to permanently save the following firewall rule under my OpenWrt system with version 23. You can make a firewall rule to allow traffic from the PC vlan to the printer vlan. 5 r20134-5f15225c1e / LuCI openwrt-22. Just everything else. If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. Due to ISP network maintenance or failure the prefix would change multiple times over a year. For maintenance, and debugging, it helps to create a naming scheme to enter in the name option I wanted to be able to use DNS-based firewall rules like on pfsense, opnsense and Sophos UTM for certain use cases. If you don't trust the other subnet, it should be possible to permit the traffic in one direction by adding wwan to the I've created a DMZ for one of my servers essentially creating an interface, a firewall zone and assigning a VLAN in the DSA. Network and Wireless Configuration. The phenomenon is a connected WG route suddenly "freeze" on all remote pages and ssh content, but if I do a reconnection then remote Hey guys, Basically I'm looking to create multiple firewall rules using the UCI command line utility however I'm not sure how to collectively create these rules and delete them. 3 on the Mochabin but im noticing something strange and I'm not sure if its a bug or a wrong configuration on my end. Dr_Fambo: Currently running 18. coldfire7 July 4, 2018, 5:13am 1. Any rules you add through LuCI are checked against in the order they are listed (afaik), but they will come after the default rules. 124. It would be nice to combine them into one Multiple Destination For example, Allow port 443 from lan to wan and vpn These 6 can be compressed into 2 I can't This is version 22. For normal web this is fine, for video calls it's problematic. I have a OpenWRT router which have the following rules allowed from WAN: config rule option name 'Allow-DHCP-Renew' option src 'wan' option proto 'udp' option dest_port '68' option target 'ACCEPT' option family 'ipv4' config rule option name 'Allow-Ping' option src Hi, I'm totally new here, I'm totally new to Openwrt even when I've used DDWRT before. My problem now is that I cannot connect to the company openvpn server for instance because of the forwarding rule I have added. What am i doing wrong? Information: I have an Intranet-Wifi and a guest wifi, both connect to Hi there, I'm running openwrt under lxc container, used this image. 1. Related projects, such as DD-WRT, Tomato and OpenSAN, are also on-topic. One side of a non-OpenWrt router is connected to a T-Mobile 5G gateway and the other side is connected to a Raspberry Pi for bypassing T-Mobile's data throttling. 1/8 scope host lo valid_lft forever preferred_lft forever 7: eth0. 03 to see the differences I noticed that the custom rules tab in the firewall section is gone. If you have multiple games consoles that require a firewall update for example, Implementing your personal list shouldn't be too difficult with LuCI or direct configuration of your OpenWrt firewall rules. I have two apache servers ie 192. name='test' uci add_list In RFC 6092: Recommended Simple Security Capabilities in Customer Premises Equipment (CPE) for Providing Residential IPv6 Internet Service there is the following recommendation: REC-10: IPv6 gateways SHOULD NOT forward ICMPv6 "Destination Unreachable" and "Packet Too Big" messages containing IP headers that do not match I did set up a firewall for IOT devices with reject forwarding settings, however, this makes my IOT devices useless because now they can't reach Home Assistant out behind the firewall. 20:80. When I replace the firewall file with a backup. 03. As i understand some of them are for some VPNs (Cisco IPSEC and the like) to work. Recently I used ipv6 address for the connection, and experienced frequent interruption. 251' option dest_port '5353' option target 'ACCEPT' option name 'Custom-mDNS' The ultimate goal is to set up a cheapest home Internet with a T-Mobile tablet plan. OpenWrt Forum Traffic rules setting. i know that "secure" is a term that is hard to define, but i hope that you can give me at least a bit of an idea. 0/24 192. I'm new to OpenWRT and fairly new to IPv6. 0 is a private network on the WAN-side used to test this feature. I don't know about v2ray, could you post its contents? At the moment I've got two SSIDs, IoT and IoT-WAN, to separate the IoT devices that don't need internet access, such as my cameras, and those that do, like my Echo Dots. Hello! Im looking for a solution to put 3 vlan zones in a firewall input = reject zone but both being abel to access router or any other vlans. config rule list proto 'udp' option src '*' option src_port '5353' list dest_ip '224. @zone[0]="lan" uci rename firewall. 178. 3. target="ACCEPT" uci set firewall. I do not want to give the cameras network access to the internet or to the LAN devices to avoid the cameras to access internet through WAN interface (phoning home). I can't see any firewall rules: root@router:~# iptables-nft --list # Warning: iptables-legacy tables present, use iptables-legacy to see them Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target Hi, I configured wireguard and I would like to know if the firewall is ok, I saw some basic setup from internet and some others more complex, so here what I did. That created the IP Sets which I can use in Network > Firewall. I tried on the 'Advanced Settings' to put the MAC addresses I configured a separate network with a separate interface on a different subnet than the LAN network that I only use for IP cameras. 373 ms 2 10. Zoom have a list of IPs How to set Firewall IP whitelist and port whitelist? - OpenWrt Forum Loading Hi, I see on many vpn providers two kinds of firewall setting about wireguard. I can add a network diagram after work if needed, those drag and drop type things take time (UML usage is long time ago) 3. There remain however questions regarding the firewall, which right now, i am a bit clueless about. The below example refers to the allow case for a specific interface called wildlan. I vaguely remember requiring to allow something ICMP for IPv6 to work. 1). @rule[-1]. user; \ iptables-save -c fw4 could easily generate designated nft rules for each zone (input-interface) if the configuration allowed multiple source zone entries, but at present it lacks the capability to do so. However, I notice that unless the IP is definite in itself, it will not work. 2 r10947-65030d81f3 / LuCI openwrt-19. This one is also configured with input reject, output acept and forward reject. IOT has its own wireless set up. Disable rules (freedom mode): uci firewall. 6. In practice it is better to use the loadfile option instead which allows specifying the IP set contents in an external file for easier maintenance. I want a new install of OpenWRT, with my current Firewall The wiki says: "Match incoming traffic using the given protocol. 1 Address: 127. name='Exclude local and LAN addresses' uci set root@OpenWrt:~# ubus call system board; \ uci export firewall; \ nft list rulese. 300 ms 0. Counters are optional in nftables and so there isn’t the same ability to see hit counts on every rule and chain like in iptables. 1 LAN. DNS/IP block rules using dnsmasq / iptables are available in data/openwrt folder. But initial test shows very slow/nearly non-functioning connections to these sites. I suppose there is some reason you have separated the networks in vlans, so add conditions for rule matching accordingly DNS/IP block rules using dnsmasq / iptables are available in data/openwrt folder. The firewall works by going through the list of rules until one of them matches all its conditions. wan. I have two rules: the first one is marking traffic with 0x1 value, the second one is marking traffic with 0x2 value. However, I have an open problem where I just can't get any further: I need the following firewall rule on the server side so that I can access the server via RDP: part of /etc/config/firewall config defaults option input 'ACCEPT' option output 'ACCEPT' option forward 'REJECT' option Hello, I have been struggling to get my network setup. 0/24 Actually, Windows firewall issue was the first thing I thought about. 0/24 On the 192. -I have restarted the firewall service expected behavior: deny traffic between Following on from my thread here, I have now managed to get automatic IP generation working. d/firewall restart Enable rules (lockdown mode): Hello everyone. Unfortunately the VPN sometimes introduces big latency spikes - using the different network interfaces on the router to ping a web IP, I see the latency only show up on the VPN interface. 20. ubus call system board; \ uci export firewall; \ head -n -0 /etc/firewall. get mail via pop3 from GMX. But, when I'm applying / reloading firewall rules, it is not applying: **fw3 reload** Warning: Unable to locate ipset utility, disabling ipset support Warning: Section @zone[1] (wan) cannot resolve device of network 'wan' Warning: Section @zone[1] (wan) cannot resolve device of network 'wan6' * Set tcp_ecn I've setup the following firewall rule in Luci and applied it in Luci: config rule option name 'Mark for VPN' option direction 'in' option device 'wlan1' option src 'lan' option dest '*' option target 'MARK' option set_mark '0x1A' list proto 'all' Unfortunately, the rule does not seem to have any effect, and I don't see it in the iptables output either: root@awr /e/config# iptables -L -v I'm about to add IPv6 rules, which as you prob. Now I was defining some traffic rules in the firewall - and I noticed that even extreme rules like: Source WAN to LAN address of my PC: reject all protocols and ports have no effect - I also used different positions I followed this tutorial : [OpenWrt Wiki] WireGuard routing all traffic; it does the job, i can connect to internet through wireguard, but i can't connect to my router anymore (ping and ssh), what additional firewall rule should i add appart from the tutorial ? New to OpenWRT and am looking to do MAC address filtering. Seems target is different from iptables! # Exclude local and LAN addresses uci add firewall rule uci set firewall. Hello, I have just bought a Brother printer and am trying to set it up. I believe with my current config I have this mostly figured out but there are some limitations I am running into and from what I can tell the only work around is to just make extra rules. 1 and br-land. @zone[1]="wan" uci rename firewall. @rule[24]. 1 and OpenWrt 22. name='DHCP ' firewall. The others are actual spam sources. @redirect[-1]. 057. 1) 0. If I connect my Hi folks, I configured my router to pass all my traffic through NordVPN with this guide here. It seems reloading the firewall with those setting corrupted the file somehow. My system shows time of 22:20, for instance. Hello. 10. iplaywithtoys August 24, 2018, 11:32pm 3. You can then restrict them by Zone rather than by device. Is it possible to block all traffic between two LANs with the exception a few devices on each LAN For Example if I have the following LANs 192. 05 branch git-23. My management vlan has 2 piholes - 10. 0/16 in the rule and it works as expected (subnet not reachable). 07. 1:53 Non How can I access to router B's luci from PC? Router A is connected to modem via wire Router B is connected to Router A via 5ghz wifi Router A's firewall config config defaults option input 'ACCEPT' option output first i tried the lan firewall an made a traffic rule to allow from wan to this device. Greetings from Stefan Harbich Hi all, I've set a firewall rule to stop all access to internet after certain time. proto="udp" uci set firewall. stevennausak November Hello friends, I use OpenWrt primarily as my VPN gateway. Allow with a firewall rule traffic from IP of user3 to the IP:port in lan zone. BoltonUK September 10, 2024, 9:50pm 1. wg This is the same "open" rules the guides listed, yet they omitted the above steps, I have a time restriction to shut down access at 23:00. 0/0' list dest_ip '6. Installing and Using OpenWrt. It runs its default firmware from H3C. 02 to 22. I'm currently running 21. Rather than make firewall rules for your IoT devices, I suggest you create a IoT firewall zone, and place all of your IoT devices in that Zone. I upgraded my WRT1900ACS from 21. 2 & 10. 1 interface from the 192. 4. Therefore, I'd use -d pop. It’s been working Once this is all in place, you can use the following to enable and disable the firewall rules, so parental controls can be switched on and off. Is that accurate? I can't find anything about it on IPv6 wiki pages Hi, I've configured the firewall to block everything and will add specific rules to allow certain scenarios e. LAN, IoT, and Guest. eg config rule option src 'lan' option dest 'wan' option target 'REJECT' option name 'some weekday' list proto 'all' list src_ip '192. For example the default rule "Allow-MLD" config rule option name 'Allow-MLD' option src 'wan' option proto 'icmp' I've created the following firewall rules, in /etc/config/firewall, and put the just above the forwarding rule (as I understand the rules are parsed sequentially). With my new internet provider I wanted to switch from a provider owned Fritz!Box to my own OpenWRT Router. 1 on an EdgeRouter Lite The firewall rules for time (Ma_timeSchool) would normally be enabled on Sunday and Monday but I was troubleshooting the connectivity issues above and forgot to reinstate them before grabbing the NFT LIST. 2@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc Hello, I have a basic network with br-lan. I realized that i can put a destination ip 10. My current firewall config is, General Settings: input reject, output accept, forward reject. enabled='0' uci firewall. My test was using nslookup to get IPs, and add them manually in an ipset. Except where otherwise noted, OpenWrt news, tools, tips and discussion. Redirect rules are considered first. g. Here's the rule I've tried, that doesn't work: config rule option name 'PCtoIoT' option src 'lan' option dest 'IoT' option target hello I would like to empty the cached thanks to crontab on my router I use this command which works very well I then use 4 traffic rules in luci for my games only as and when in firewall these rules are filled in Mb I would like to be able to reset them approximately every 4 hours is this possible thank you I use this for the cache but no idea to restart the traffic rules config rule option target 'ACCEPT' option proto 'udp' option name 'Guest-DHCPv6' option family 'ipv6' option src 'guest' option src_port '546' option dest_port '547' config rule option target 'ACCEPT' option name 'Guest-SLAAC' option family 'ipv6' option src 'guest' option proto 'icmp' list icmp_type 'router-solicitation' list icmp_type 'router Raspberry PI 4 running openwrt 23. d/firewall restart" do those rules get reloaded. So I flashed a used WRT1900ACS with OpenWRT 19. 10-16/24]. Essentially I don't want any traffic allowed between networks/zones unless I create a traffic rule allowing it. It can be done by just creating a firewall rule that reject forward It is not clear what do you want to achieve. Not duplicate of - Firewall: Multiple Source and Destination zones - #22 by psherman have to create 2 rule each for LAN (Main) and Guest Network even if they do they same thing foreach zone. 2, 44. I'm using a Hi, I want to block some MAC address to access my WebServer. I'm learning my way through IPV6 configuration, but have a problem I can't seem to get past. 0/24 subnets. 363 ms 0. 03 and when I created another vm x86 with 22. know being all global and stuff, you can't rely on non-routable addresses as a safeguard for bad rule making. Most of the information in this wiki will focus on the configuration files and content. @zone[1]="wan" uci del_list firewall. 168. 24. 0. config rule option name 'Accept Database Ser OpenWrt Forum Really struggling with basic firewall rules 1 OpenWrt. 90 and . It is hard for me to understand what the other rules do. internet_lock. You can see them buried in the output of nft list ruleset or in the LuCI Status / Firewall output. If I drop the source zone requirement from the Hello, there are a number of traffic rules enabled on a fresh build of openwrt. I Hey fellas I have some custom iptables rules that are based on domain names, so I need to reload those custom rules to update the IPs in case they change. 07 <-> [Switch] <-> Notebook / PC. Today with time change the restriction came into effect at 22:00. I followed this tutorial Link and in /etc/config/firewall I got config rule option enabled '1' option name '-Locked' option src_mac 'devicemac' option target 'REJECT' option proto 'all' option src '*' option dest '*' But I still can connect to my webserver on port 80. It is just a little bit above my expertise and I was wondering if there are alread Log4j known attackers IP list I am working on a firewall rule to automatically update the above list of known Log4j Hi, i would like to block access from one zone to all private 10. 02. I've got quite a few zones (WAN, LAN, DMZ, Management, IoT and Guest) with potentially more on the way. enabled='0' uci commit firewall /etc/init. 0/24 -j DROP This has worked really well but I have Navigate to LuCI → Network → Firewall → Traffic Rules → Filter-IPset-DNS-Forward to manage firewall rules. src='iot_zone' uci set firewall. dns_int. All other traffic from all other devices on both Hi I'm using time-based rules like this: config rule option weekdays 'Sun Mon Tue Wed Thu' option src 'lan' option name 'Desktop offtime: week night' list src_ip '192. Can be one (or several when using list syntax) of tcp, udp, udplite, icmp, esp, ah, sctp, or all" However it does not quite work that way. When i put 10. iptables -t mangle -A POSTROUTING -j TTL --ttl-set 65 I have a firewall rule like this: config rule option target 'MARK' option src 'lan' option proto 'all' list src_ip '0. Most zones' Input and Forward default actions are set to drop or hey, i try to access on internet on my local ftp server and i don't work, exept if wan input parameter is "accept" for the firewall, i have configured : config rule option name 'TEST FTP' option target 'ACCEPT' list proto 'tcp' option src 'wan' option dest_port '21' with the firewall parameter, connect is ok, but not listed directory : do you have idea ? thanks I have a website (apache2) running on raspberry pi on port 443 (https) A ddns domain name is mapped the IPv6 address of my raspberry pi. 78392-9f66674 from which I forward 80/443 to HAproxy VM[192. Contribute to openwrt/firewall4 development by creating an account on GitHub. These then have their own firewall zones and interfaces, as shown here: Would it be possible to have a single SSID which defaults to either allowing or blocking WAN access, and then set Looks like you have an interface defined for the uplink - wwan - but do not appear to have a corresponding firewall zone for it. now from what I understand is you have firewall zones these would be Hello all, I am most probably making one of those very stupid beginner's mistakes - I have set up my router with openWrt 19. 80063-bece581. 2. Hi there!, So I'm running a version of Openwrt 22. target='DNAT' uci set firewall. I am toying around with Docker on OWRT, while the learning curve is steep, i come along and have now successfully running nginx (yeah, i am aware that there is a Owrt package), primarily as proxy and ycast, more to come. Allow Wireguard Firewall rule: Any udp From any host in wan To any router IP at port 12345 on this device = accept. This script uses the set RA DNS server Using OpenWrt 22. I want to restrict incoming calls to the website only via above nginx (the main domain name is pointed to the This works really nice with OpenWrt as I can simply ask my script to update the firewall using UCI commands and then restart the firewall service. If you still have questions there needs to be some troubleshooting. Hi there, I configured a new zone for my IoT devices, where I only allow certain flow and block all the rest I've setup the zone to drop on INPUT,OUTPUT and FORWARD and only configured the traffic that is Hi there, I have been using wireguard on a windows 10 PC to access a remote openwrt 21. net tunnel, I've configured it as an interfa Hi, is there a way, and if not available, which should be implimented. network="${WG_IF}" uci add_list firewall. This method does not require an OpenWrt Can someone please explain to me the difference between the "list" and "option" in the firewall config? Maybe I am just to dumb to understand the documentation The wiki says: [MIRROR] OpenWrt nftables firewall. 02 snapshot router successfully with ipv4 for a while. DNS. 0/24 -j DROP iptables -I INPUT -s 0. I removed the port forward rule. gmx. I speculate that the fw is using X hours off of UTC and not recognizing that the diff is no long X hours now that local time has changed Counters are implicitly added for uci rules. Allow with a firewall rule traffic from IP of user1 to 0. 10, vlan1 and vlan10 respectively. Masquering is not really a big know how so not sure how to go. src="*" uci set firewall. I struggled to manage it because I'm a beginner # Configure firewall uci rename firewall. Right now as is the LAN and VLAN both have access to the WAN, so that piece is working. Do not put all the commands on the same line, copy-and-paste what @trendy suggested, "as is". Warning: Option @rule [9]. They both can be applied to the same packet and I expect the firewall to match the first rule, apply the mark and do not process the Hello, I want to use the openWRT firewall as an implicit deny all firewall. 2 and 4 into UCI? it seems there was already a UCI syntax I never used - instead I made the argument calls thru extra; config rule option target 'ACCEPT' option proto 'tcp' option name 'xyz_www' option family 'ipv4' option dest_port '80' option src '*' option limit '25/minute' option limit_burst '100' option Hello Guys, I'm new to LEDE routers and I'm trying to do a basic configuration of my firewall but more restrictive than the default configuration. Create the firewall rule. 181' option start_time '00:00:00' option Please copy the output of the following commands and post it here using the "Preformatted text </>" button:. I can reach all hosts in the subnets. Windows firewall issue for subnet 192. 0/24) -> openWRT (subnet 192. 0/0 in wan zone. 0 and NFT-QOS I would like to restrict total access to only the IP's that have been controlled by NFT-QOS. it only seems to add a rule for the first day listed. 10 range. If you trust the other subnet, it should be possible to permit the traffic in both directions by adding wwan to the lan firewall zone. 250 -j TTL --ttl-inc 1 What should the entry in the "/etc/config/firewall" file look like? Thank you in advance for your support. I've been trying to set up rules with lists forever but I c The configuration above uses a number of list entry lines to populate the IP set with some initial IP ranges. I’m wanting to input some custom firewall rules on the firewall tab and I’ve noticed it Hi, As you can see in this screenshot, it's very complex for me to manage and master rules on my firewall Is there a way to simplify firewall rules in OpenWRT? I have some questions to ask in order to decide which Good evening everyone, first of all I will show you the equipment I use as well as my configuration firstly disable all ipv6 on the wan and lan then hostname and dhcp and dns static on ps4 then firewall port forward 1-65535 Recently, I updated my network to run with the latest OpenWRT release. I'm looking to create a firewall rule that allows a single host on one VLAN to connect to all clients on another VLAN using IPV6. 2/32' list I have installed and setup my basic configurations as followa; LAN 192. network="${WG_IF}" uci -q delete firewall. OpenWrt Forum Custom Firewall Rules. The idea is that I can use Homeassistant to turn on/off internet to different devices. 91 can exchange traffic with device having IPs in the 192. I am trying to setup a my firewall so the VLAN has wan access only but LAN should have access to VLAN. I'll take one restrictive zone as example, I call it guests. At home i have a lot of IoT devices. I have two rules, which I was hoping would block traffic between vlan1 and vlan10. 05. 03 branch git-23. Eric12 November 1, 2023, 4:19pm 1. Any interfaces or PHYs not assigned use the General rules. 07 branch git-20. dest='lan' uci add_list The wiki says it a bit different: Custom rule inclusion through a shell script works similarly as fw3, but the script should use nftables. i'm using a d-link dwr921 lte router with openwrt 18. But if you have other rules that are more granular (or if these are not properly formed in general), the forwarding may not happen. Gets internet from OpenVPN VLAN30 - Able to access devices in VLAN10 and VLAN20. I use a firewall rule as a kind of a kill switch in case my VPN connection on tun0 goes down. 0/24) It is not that complex tbh. 02 and have lots of custom iptables firewall rules, mostly for tagging connections/packets with DSCP marks, but sometimes in non-trivial ways devised over many months. So far I've been using the following syntax on every new IP address that I come across: iptables -I FORWARD -s 0. 05 as a vlan aware switch Full set of config files for both devices below. I came This is a step-by-step guide for enabling and disabling a firewall rule for a specific IP address using OpenWrt and Home Assistant. I have read the docs: OpenWRT Routing I have included a basic drawing here. name="Allow-Wireguard-Inbound" uci commit Hello! I need an advice why the firewall rules which set marks are not working as expected and how to fix/change them. Here are my configs for router one and two: root@Tourville:~# cat /etc/config/network config interface 'loopback' option device 'lo' option proto 'static' option ipaddr '127. I have my network segmented using vlans and have a total of 3 networks. 1 (10 If you pull up Network>Firewall what are the recommended settings for "General" and "Zones?" Upon reading google hits, many are showing a "Lan -> wan" setting of "reject" for forward whereas the out-of-the-box settings have that Hello all, I have multiple vlans, these are guest, IOT and PEDs which I'd like to all have the same rules so i grouped them all together under the same firewall zone ("SafeZones"). OpenWrt's firewall management application firewall is mainly configured through /etc/config/firewall. Only by running "/etc/init. just copy some commands from a tutorial and restart the firewall. This is the warning when I try your config. firewall4 omits counters from some of the hardcoded rules in the ruleset. I am able to automatically ban IP-addresses on the "server", but i kinda want to block them on my router, before they even can I'm trying to have a network with the following configs for my VLANs: VLAN10 - Able to access devices only in VLAN10. In the traffic rules I've defined targets it can Log4j known attackers IP list I am working on a firewall rule to automatically update the above list of known Log4j exploiters IP list. Installing and Using OpenWrt src_dport '51820' option target 'DNAT' option dest_ip '192. 20 into 10. @rule[24]=rule firewall. 2 with lan and wan attached. Setting 1 zone and forwarding the ports for DHCP and DNS works great, but doing it on 2 zones did not work so i need to configure some rules to access the internet. I need to work on security (using non-encrypted mqtt messages) but would be interested to I have in my firewall. target has invalid value 'DROPâ Hey there, I'm new to OpenWRT and I need to create a firewall rule in order to route all TCP packets to some port, but with exclusion of local address! I tried following but with no success. 88-2 and updated it as opkg. What Rules are created for it: forwarded traffic (as described in the Documentation) but its listed as input rule at luci from LAN to Router at port 67 firewall. I can still ping the 192. The docker config tells me, that by The firewall of an OpenWrt router is able to collect interfaces into zones to more logically filter traffic. 188. The LuCI and UCI interfaces are user abstractions, ultimately modifying the When using an IPv4 address set the family to ipv4, otherwise firewall warns ! Skipping due to different family of ip address. 19:10000, when client from 44. 99 then you need a DNAT. All interfaces are assigned to a zone and hence configured into the proper firewall chains. ok i want to allow ping only from selected ipset ips can someone help me with what and in custom firewall rules. So I Hello, How to using comandline create rule which allow to forward on firewall ie. However, I also want to give access to certain website, for school work and Microsoft 365 sites. Hi, In my firewall rules I set a test rule for device A with mac-addr XYZ to block internet access. @trendy It seems I can translate Nos. On OpenWrt wiki, for client, we can read that; # Configure firewall uci rename firewall. Tested firmware version: Raspberry Pi 4B 64bit Version 21. Allow with a firewall rule traffic from IP of user2 to subnet in lan zone. I just want to have physical lan port 1 in "guest" VLAN, because I have some service running on PC that I don't trust. internet ip 44. Is it save to disable them? My openwrt-router is directly connected to the internet through the router of my ISP in bridge mode (router forwards public Hi I have no rules in my ipv4 firewall iptables chains except mwan3, but in my ipv6 chains all the stuff set in my firewall seems to be there. 1 to . How would I set up a Firewall Rule to Block ALL Outbound traffic to the internet EXCEPT from a list of MAC Addresses? I've seen a few posts that will block specific MAC addresses from accessing the WAN (Internet) and otherwise allow all others access but I wish to do the inverse of that - block all Hi There, Since the corona happening, my home "server" is battling a RDP Bruteforce attack. @rule[24] so i just updated openwrt but it seems that the custom rules tab is gone in firewall settings, im trying to add this custom rule below but i don't know where to put it. . In my 21. network="${WG_IF}" uci commit firewall /etc/init. net with iptables and this would create two additional rules since at this time the name resolution returns two A records: nslookup pop. net Server: 127. My ISP supports DHCPv6-PD but it's a dynamic prefix with a very short lease time. 242' list src_ip '192. How can I debug? config rule option src 'lan' option target 'REJECT' option name 'Deny WAN access' OpenWrt 19. dest='lan' uci set firewall. With the list of MAC addresses in hand from step 1, I followed these steps to create the firewall rule itself: In the top navigation, navigate to "Network" → "Firewall" Open the "Traffic Rules" tab; Click "Add" at bottom left; Fill out the form to create the new rule (see below) Under the "General Settings" tab: Apologies if this has been covered elsewhere. 03, OpenWrt 22. lan. Gets internet from WAN VLAN20 - Able to access devices only in VLAN20. I have them all connected to one Router/AP. I want to lock the src_mac and that it Hi everyone, I was looking at the traffic rules section of the firewall. The zones therefore are: Input - into router (regardless of DST IP or where it's assigned on the OpenWrt) Hi, I successfully installed and configured openvpn on my openwrt 19. config rule 'wg' option name 'Allow-WireGuard' option src 'wan' option dest_port '51820' option proto 'udp' option target 'ACCEPT' option dest 'wireguard' config zone option name 'wireguard' option input 'ACCEPT' option output I've been using OpenWrt as router and even as a server for years. 08), and so far so good. my firewall rules are: What i need? As far as i know some firewall rules with allow the DHCP ports. (See Config include section with shell script) Adding rules with shell commands can be a quick and easy way to test rules, e. All interfaces are assigned to a zone and hence configured into the proper firewall For the most part on a Windows computer firewall rules (allow/disallow) are created automatically for the user, for the most common network configurations. I'm using Archer C6 right now, I ordered AX3200 to flash it with OpenWRT. v2ray file. Is there a way to do that from a cron file? I found some info in the wiki, dear community, please help me with this. my system does show local time. However, I just noticed something unexpected with the firewall rules order. metric March 17, 2020, I've been using the firewall custom rules to block SIP brute force attacks on a server, 99% of them originate from France, Russia and Germany. Vlan1 is main LAN Vlan10 is a guest network. For What are some suggested firewall rule(s) should I use for when setting up Avahi for a multi-homed host, across lan, guest and iot networks? Google tells me this, but I wanted to confirm. My IPv6 is through a HE. dest_port="1234" uci set firewall. DHCP port 67 68 and DNS port 53 firewall rules. 0' config globals 'globals' option Hello, I'm using OpenWRT for a few weeks and I'm impressed. it works again (without any custom rule). another RPi4 connected Hi, I'm configuring OpenWRT firewall with a couple zones, some zones I restrict on what they can do. 2 that have an older release of dnsmasq. The problem is there seems to be a bug in UCI when applying firewall rules with both time and multiple weekdays specified. @forwarding[0]="lan_wan" uci del_list firewall. They worked just fine inte-rvlan on the previous ubiquity router that I'm replacing with openwrt and they are properly configured to After resetting the firewall, following this tutorial, this is what I have done so far, where wg is the Wireguard interface:. Requires package "iptables-mod-nat-extra" for port 53 (DNS) redirect rule from dnsmasq. Deny forward rule is only partially working for me Time seems to apply but its activating every day, seems to ignore; option You have assigned your new network to br-lan, which means that they are all associated with the lan firewall zone and are actually all mixed together as if you've used an unmanaged switch to link multiple networks. A way of Exporting Current Firewall Rules; without having a full Settings download to import, im finding certain settings are being imported on a fresh install taking settings from old components which are irrelevant to my new install. But I find this problem which I think is not allowing me to set up successully my Dual Wan connection: And an example firewall rule you could use with OpenWRT in /etc/config/firewall: config rule option name 'Allow-Search-Engines' option family 'ipv4' list proto 'all' option ipset 'dst_host_search_engines' option family 'ipv4' option target 'ACCEPT' option src 'lan' And the entirety of the script, which will query the hosts listed based on their Installing and Using OpenWrt. d/firewall restart But as I said, on . 1/24] on proxmox (in order to route http, and manage LEcerts), and then a few Debian 10,11,12 VMs/LXCs for web services [192. user file iptables -t mangle -A PREROUTING -i eth1 -j MARK --set-mark 10 root@repeater:~# iptables -L -vt mangle Chain PREROUTING (policy ACCEPT 28462 packets, 13M bytes) pkts bytes target prot opt in out source destination 34156 6014K MARK all -- **eth1** any anywhere anywhere MARK set 0xa I want to convert this rule into the ISP -> Fritzbox (subnet 192. This works. Gets internet from WAN My current configuration is as follows: cat /etc/config/firewall Hello all, I’ve recently setup HomeAssistant (HA) and everything has been going well except for one thing. Currently the firewall's zone input is set to ACCEPT, however, I would like to lockdown the firewall further by setting the input to REJECT and using traffic rules to allow specific traffic through such as DNS, DHCP, ICMP etc. But several IP's on the wan still need to be accessible from lan, so my rule looks like this: config rule option family 'ipv4' option proto 'all' option src 'lan' option target 'DROP' option name 'Drop-OUT_InvalidDEST' option Currently I think this script does not run on my config, and I am still missing the parts where WG Interface is attached to Firwall "vpn" Zone and forwarding rules vpn-lan are defined. The non-OpenWrt router is for better wifi broadcasting. I've changed the default INPUT on the lan firewall to REJECT config zone option name 'lan' list network 'lan' option input 'REJECT' option output 'ACCEPT' option forward 'ACCEPT' I've added accepts for DHCP and just the IP's I want to Running snapshot r23432-6897270491 / LuCI openwrt-23. 0/24 VLAN20 10. 219. Network: Provider glas fiber <-> Provider Media Converter and Router <-> OpenWRT 19. name='block gadget inbound' uci set firewall. 292. 19:10000, 192. 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1 inet 127. This applies only to OpenWrt 22. 5. OpenWRT does not have this functionality built in. 05 with a usb Ethernet adapter (eth0 onboard (lan) eth1 usb (wan) Edgerouter X running openwrt 23. 130' option dest 'wan' option target 'REJECT' option start_time '22:15:00' option stop_time '07:00:00' and they seem to be basically working, but I've noticed that although new connections are I have an RPi4 connected to a fibre WAN. I want them to keep them isolated from the main network. I'm at a loss of why any of this happens. d/firewall reload" and that won't reload the custom rules "firewall. So I decided to write a script to update my firewall rules and RA DNS server. I want to create rule which make forward to ie forward when connect client 44. OpenWrt 22. lan (192. I've been looking at using It complains about something else. conf. In another word, if the IP is in CIDR format, it will not be picked up by the firewall to process. If I wanted to block all the traffic that goes from the wan to the lan through port 80, I ask if the rule setting is correct as in the picture. Obviously at some point I will I have a handful of firewall rules that I would like to be automatically enabled at a certain time of day (to block devices from the internet at bedtime), but I would like for them to be manually tuned on/off at will, just at a certain time (22:00) the rules are enabled no matter what their current status is. I did search the forum and the web but couldn't find answers that address my specific situation. iptables -t mangle -A PREROUTING -i br-wlan -d 239. uci add firewall rule uci set firewall. I do not have the UTC box clicked. 1 (wil Hi I'm pretty new to OpenWRT and its features and I'm kinda stuck on this one. It's simple, I just need to allow : the "LAN zone" devices to communicate in HTTP/HTTPS to the internet on the "WAN zone" the "LAN zone" to access the router by SSH so that I can configure the router when needed with Putty Hello everyone, I want to protect Openwrt from local devices so I want to ask, is it possible to apply firewall rules on LAN to “this device” connections? For example block all connections and allow only DHCP, 443 and 22? Best Regards My router in a virtual machine x86 is still on 21. 02 vm I have this custom rule: iptables -t nat -A POSTROUTING -j MASQUERADE iptables -t nat -I PREROUTING -i br-lan -p tcp --dport 53 -j I have a mixed ipv4/ipv6 network and am trying to set up a 'Firewall - Traffic Rule' for 3 MAC addresses and was unsuccessful getting it to work for the MAC addresses. A zone can be configured to any set of interfaces but generally there are at least two zones: lan for the collection of LAN interfaces and wan for the WAN interfaces. root@OpenWrt:~# opkg list-installed | grep sqm-scripts sqm-scripts - 1. Under a pure fw3 image built from a few days ago, the rule worked as expected. These is the rule as it show in LUCI: Fowarded IPv4 and IPv6 From *lan*, MAC: XYZ To *wan* (Protocol any) Reject foward The device A has an update feature to fetch last release from github, so I try to get last update and it still was able to I've recently switched over my good old PC Engines Alix board over to OpenWrt (19. Hello everyone, the wireguard tunnels (there are two of them) are setting up reliably. and forward wireguard zone to lan zone (input, output, forward=accept) Seems to be working just as well in this configuration, but I think I see the difference. This is the relevant confs: firewall config zone option name 'vpn' option network 'vpn0' option input 'ACCEPT' option output 'ACCEPT' option forward NX30, unfortunately, NX30 is not running openWRT. DHCP and In isolation, yes, that forwarding rule will allow allow all (relevant) traffic to route from VLAN 5 to VLAN 1. I am trying to forward a wireguard connection from external to my router through the wan to the lan to forward it from there to my 2nd router that uses mwan3 for dual wan access However, I have set up my firwall rules (redirect/traffic rules) to forward this from wan to lan and yet no traffic is shown on the lan side. like the openwrt guide said. 192. No rules further down the list will be evaluated for that packet. Here is a picture that explains how my network is set up: I've tried isolating them from the main network by adding a single traffic rule that blocks all I’m wanting to input some custom firewall rules on the firewall tab and I’ve noticed it’s disappeared, where can I collect this again? Thanks. This simplifies the firewall rule logic somewhat by conceptually grouping the interfaces: I wrote some sh scripts to enable/disable firewall rules through mqtt. How do I configure the Firewall rules for Routed Client - OpenWrt Forum Loading I want to block a particular IoT device from the internet -- so I used luci to create two "firewall - traffic" rules; it created this stuff pasted below, and then i did a save/apply # /etc/config/firewall uci add firewall rule # =cfg1292bd uci set firewall. Requires OpenWrt configured fw3 and fw4 into various chains that result in a zone-based firewall. I've tested this with a couple of IPs to The problem is not in this file, but probably in the included /etc/firewall. I've been learning a lot last week, I did never used FTP and now I've learn, also for Putty and some other stuff because I'm trying to set up a Dual Wan with Mwan and Luci. 6' option family 'ipv4' option set_mark '0xff12' option dest '*' I'm using this mark in /etc/config/network as follows: config interface 'wgc_ada' option proto 'wireguard' option private_key '<redacted>' list addresses '10. root@OpenWrt:~# cat /etc/config/firewall config defaults option input 'REJECT' option output 'ACCEPT' option forward 'REJECT' option synflood_protect '1' option flow_offloading '1' option I am having a strange issue. I only try to use it as a firewall recently, however. I tried "/etc/init. The only thing different than the 'clean' default packages, was that I self compiled dnsmasq to v2. I was playing with my simple home-network segmentation. iptables -A INPUT -m set --match-set nixstats -p icmp --icmp-type 8 -j ACCEPT The source condition needs to be in the redirect rule. 8' option dest 'lan' list proto 'udp' config rule option dest_port '53' option src 'VLAN20' option name 'VLAN20-DNS' option dest 'wan' option target 'ACCEPT' config rule option src_port '67 68' option I built an image from master just now and created this firewall rule to deny WAN access to a particular client. The rule is active yet I can still get out to the WAN from that client. 0/24 however, it doesn't work. below As for viewing the firewall, OpenWRT's use of fw3 or fw4 (depending on what version of OpenWRT you're running) creates a lot of default rules to direct traffic correctly. uci add firewall redirect uci set firewall. 1-3 root@OpenWrt:~# grep BUILD_ID /etc/os-release BUILD_ID="r19032-563552a077" professor_jonny March 1, 2022, 10:09am 4. user". I would like to change the firewall so vlan 10 has access to everything, but 20,30,40 can only go to the internet and back (unable to see other vlan traffic) I ip -4 addr; ip -4 ru; ip -4 ro; logread -e openvpn; netstat -l -n -p | grep -e openvpn ; pgrep -f -a openvpn; iptables-save -c. 06. 1' option netmask '255. src='wan' uci set firewall. I have another dual-stack cloud VPS with nginx configured to forward requests to above ddns domain name. 3 connect to router port 80 will I thought that the default firewall/IPv6 rules would block these requests, but this doesn't appear to be happening, so I've potentially got a misconfiguration or need to adapt my existing firewall. These rules are focused on latest OpenWrt release (Chaos Calmer 15. The action is then taken, and the firewall decision is complete. 2 to router port 80 will forward it to 192. As an example I want to create these N Hello, my dears, i need your support. When public-facing servers run behind the Depending on network topology, there can be a large number of fw3 rules. If you want to forward all traffic destined to 10. 55219-13dd17f config rule option src 'lan' option dest 'wan' option name 'BlockWinblo OpenWrt Forum Firewall - Traffic Rules block all except certain ports? Installing and Using OpenWrt. 0 I want to only allow say 192. rdlzor zocur bgqsjw apo wgniomn wurfq nxqn lbpu prqt xivjin