A shell script which convert gfwlist into dnsmasq rules. The key is that the ipset must be manually added (/etc/rc.local for example). dnsmasq will not create the ipset itself. The router won't use dnsmasq for DNS lookups by default. }/d This approach seems much more complex to me, surely just enabling a feature that's already present in dnsmasq is much easier than using a completely separate mechanism and having to point dnsmasq at it! No, we've stuck at the same point: dnsmasq doesn't fill ipset. I have defined the youtube ipset rule in mwan3 to go out wan1. set firewall. DNS-based firewall with IP sets -> Extras, DNS name resolution to obtain IP addresses, Client requests name resolution for example.com, The DNS resolver matches domain against a list of domains, If domain matches then the resolved IP addresses is put into an IP set, The resolved IP address is returned to the client, Client sends packets to example.com using the resolved IP address, The firewall matches the destination IP against the members of the IP set, If the desintation IP matches then the packet is rejected. E.g. Pre-conditions The following packages have to be installed on the router: opkg update # remove the pre-installed basic dnsmasq opkg remove dnsmasq opkg install dnsmasq-full ipset Firewall setup IP sets I am using this feature together with mwan3 that has been heavily modified from CC 15.05 maybe was mwan3 that created the ipsets? dnsmasq-full add ipset support in dnsmasq.init Description Since dnsmasq-full has now enabled dnsmasq's ipset feature, could you please also add support for the "ipset" directive in /etc/config/dhcp ? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Tue Nov 15 12:40:25 2016 daemon.crit dnsmasq[9415]: recompile with HAVE_IPSET defined to enable ipset directives at line 14 of /var/etc/dnsmasq.conf.cfg02411c. '${IPSET_NAME}'='ipset' In parallel, the firewall implements filtering rules based on the collected IPs. There my ipset where working correctly. if you use ipset create hash:ip it correctlys begins to fill them. Really? '${IPSET_NAME}'.match='net' Also you acknowledge that you have read and understand our Privacy Policy. Working on both Linux-based (Debian/Ubuntu/Cent OS/OpenWrt/LEDE/Cygwin/Bash on Windows/etc.) --- a/package/network/services/dnsmasq/files/dnsmasq.init +++ b/package/network/services/dnsmasq/files/dnsmasq.init This website uses cookies. * Follow the automated section for quick setup. Already on GitHub? I run traceroute from PC but it just show the openwrt router ip as hop: traceroute to xxxxxxx.com (85.114.x.x), 64 hops max 1 192.168.2.1 0,450ms 0,341ms 0,317ms 2 10.161.xxx.xx 187,092ms 214,425ms 285,287ms 3 10.205.xxx.xx 159,821ms 250,059ms 241,358ms .. But because I don't know if it's a developer known issue I post my results. and BSD-based (FreeBSD/Mac OS X/etc.) Question to developers. Also, it would be interesting to see your config files. add_list firewall. All the tests are being done on LEDE trunk on a Linksys EA8500. Anything particular i should look out for? system. Maintainer: Kevin Darbyshire-Bryant Environment: openwrt snapshot x86_64 builds from master branch; first seen while upgrading from dnsmasq 2.79 to 2.80test2 running on Hyper-V VM on amdfam10 Prozessor. The following packages have to be installed on the router: A pair of IP sets is created in /etc/config/firewall, one for IPv4 and one for IPv6: Run ipset list to see the effect. Put the setting in / etc / config / firewall. Makefile 42.6%; Shell 30.0%; JavaScript 20.4%; Lua 7.0%; Footer There are now two packages of this service available: pbr-iptables which supports fw3, iptables, ipset and dnsmasq.ipset option; pbr which supports fw4, nft, nft sets and dnsmasq.nftset option (but because OpenWrt's dnsmasq doesn't support nft sets yet, you can't use dnsmasq to resolve domain names from . All the tests are being done on LEDE trunk on a Linksys EA8500. There was an error obtaining wiki data: {"data":{"text":null},"status":-1,"config":{"method":"GET . 12 forks Releases 1. v0.0.3 Latest Aug 15, 2020. In both case the package dnsmasq-full has been installed to substitute dnsmasq. The domain names that should feed into the IP sets are added in /etc/config/dhcp: Note that each domain name feeds into both IP sets for IPv4 and IPv6. option enabled '1' https://openwrt.org/docs/guide-user/firewall/fw3_configurations/fw3_parent_controls. There was an error obtaining wiki data: {"data":{"text":null},"status":-1,"config":{"method":"GET . If you do not agree leave the website. '${IPSET_NAME}'.entry='\0'/" "${IPSET_TEMP}") Sorry, were it you, who asked me the same question a month ago? Should we perform a futher test? Readme License. The approach combines two mechanisms: This allows to filter for domain names that resolve dynamically to different IP addresses. In both case the package dnsmasq-full has been installed to . Else extract and look through a router backup archive in a similar manner. But this doesn't explain why it was working in CC 15.05. By clicking Sign up for GitHub, you agree to our terms of service and 4 watching Forks. Beyond a quick look at the code and a 'google' a few minutes ago I've no mwan3 knowledge. option match 'src_ip'. Move dnsmasq to port 54. del_list firewall. Also you acknowledge that you have read and understand our Privacy Policy. Oct 23, 2019. So 'ipset list' shows up a huge list. Have a question about this project? I tried to set ipset alias in /etc/dnsmasq.conf file and my dhcp server stopped working. Assuming you have access to your working system, I'd start by grepping through for 'ipset' and/or some of your set names and see what turns up. Next, on Windows I set a manual DNS, different to the openwrt one and did the test again on 'dnsleaktest.com' and started to see some of the overridden DNSs show up. privacy statement. Sign in That thread: https://forum.openwrt.org/t/mwan3-rules-with-ipset, There is bug filed for dnsmasq https://bugs.openwrt.org/index.php?do=details&task_id=1575. VPN Bypass Statement about OpenWrt 22.03. release and this package TLDR: Even tho this package depends on iptables/ipset and dnsmasq support for ipset, it works just fine with recently released OpenWrt 22.03.. You can safely ignore the warning on the Status -> Firewall page about legacy iptables rules created by this package. GPL-3.0 license Stars. Did someone clean up the build rules for this and cut it out by mistake? *$/\ 19 stars Watchers. Export to GitHub autovpn-for-openwrt - Dnsmasq_Ipset.wiki. I've just checked on my build and the 'dnsmasq-full' build option selects dhcpv6, dnssec, auth dns, ipset, conntrack & no_id by default. /${IPSET_FAMILY/ipv4/:}/d;s/^. CC Attribution-Share Alike 4.0 International. # 2. option dest_port '80,443' You signed in with another tab or window. dnsmasq's ipsets work fine for me. If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. Similarly, even going back as far as Jan 2013, I can find no evidence that the dnsmasq init script created the ipsets, and hence dnsmasq's behaviour is as per documentation in that it needs the sets created before it will populate them. '${IPSET_NAME}'.family='${IPSET_FAMILY}' The configuration generated for dnsmasq correctly contains the ipset, but when you use ipset list to see them you don't see them. OpenWRT is used to implement the concept. '${IPSET_NAME}'.entry='\0'\n\ Languages. # ipset --version ipset v7.6, protocol version: 7 # uname -a Linux OpenWrt 5.4.188 #0 Sat Apr 16 12:59:34 2022 mips GNU/Linux option ipset 'youtube' What I see is that the ipset is correctly managed by dnsmasq and filled IF IT EXISTS. Disable rebind protection. No packages published . We can safely say that dnsmasq is not the problem and is working correctly. option storage 'hash' Packages 0. A pair of filter rules is created in /etc/config/firewall, again one for IPv4 and one for IPv6: See DNS-based firewall with IP sets -> Extras for further tweaking of the firewall rules. Hi there, I know dnsmasq is currently in testing state. Perhaps my answer is not entirely about your problem. If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. I dont understand why dnsmasq is trying to get an dhcp lease when starting it. It correctly configure itself to manage it. If multiple setnames are given, then the addresses are placed in each of them, subject to the limitations of an IP set (IPv4 addresses cannot be stored in an IPv6 IP set and vice versa). Also, ipsets can be created automatically from "/etc/config/network". You will also need to create a subnet set file. However following yields nothing. option proto 'tcp' ex: ipset=/pandora.com/usvpn, https://openwrt.org/docs/guide-user/firewall/fw3_configurations/dns_ipset, Powered by Discourse, best viewed with JavaScript enabled, https://forum.openwrt.org/t/mwan3-rules-with-ipset, https://bugs.openwrt.org/index.php?do=details&task_id=1575, https://openwrt.org/docs/guide-user/firewall/fw3_configurations/fw3_parent_controls. I further checked the binary built and it includes all the things I would expect. $(sed -e "/${IPSET_FAMILY/ipv6/\\. By using the website, you agree with storing cookies on your computer. Self-registration in the wiki has been disabled. With the setup shown above, traffic to example.com and example.org is blocked even if the domain names resolve dynamically to different IP addresses. 518 #check for an already active dhcp server on the interface, unless 'force' is set '${IPSET_NAME}'.entry It correctly configure itself to manage it. If you do not agree leave the website. Well occasionally send you account related emails. set firewall. Can somebody post on where to set the ipset aliases? This website uses cookies. Please use ipset-dns in connection with dnsmasq. OK, but the question is how to create ipset by name, not just by list of IP's. The text was updated successfully, but these errors were encountered: Confirmed also on an Archer C7. dnsmasq-full Version: 2.85-8 Description: It is intended to provide coupled DNS and DHCP service to a LAN.\\ \\ This is a fully configurable variant with DHCPv4, DHCPv6, DNSSEC, Authoritative DNS\\ and IPset, Conntrack support & NO_ID enabled by default.\\ \\ Installed size: 178kB Dependencies: option family 'ipv4' This script needs sed, base64, curl (or wget ). Maybe you should remove dnsmasq, and install dnsmasq-full. Please, give log after restarting of dnsmasq. Export to GitHub autovpn-for-openwrt - Dnsmasq_Ipset.wiki. Router: Raspberry Pi 4b running OpenWrt 22.03.1 | AP: ASUS RT-AC86U running Asuswrt 386_48260. OpenWRT is used to implement the concept. Ipsets can be created in /etc/config/firewall something like, config ipset Wan: Use local caching DNS server as system resolver (default: No). Note that they dont contain any members yet. This works for me with an OpenVPN connection for routing certain addresses of visitors through a VPN. I tested this by setting a DNS on my OpenWrt router and using 'dnsleaktest.com' to see what DNSs have been picked up. delete firewall. Are the instructions on the wiki out of date? This is more modular than enabling these features for everyone. option sticky 1' Description: The following chapters are inspired by DNS-based firewall with IP sets. set firewall. Do you have any knowledge regarding mwan3 creating the ipsets? DNSMASQ can add IP addresses to an IPSET when certain domain names are queried: IP set extras This article relies on the following: * Accessing OpenWrt CLI * Managing configurations * Managing packages * Managing services Introduction * This instruction extends the functionality of IP sets. OK, thank you, we are not first ones. --ipset=/[/]/[,] I assume you have the mwan3 config rule set - it'll be similar to this is guess: config rule 'youtube' When you define an ipset in the dhcp config file, dnsmasq doesn't add the set to the ipset list. As expected I was using the DNS set in OpenWrt. The issue is elsewhere. I have installed the full dnsmasq package. There is a setting on Tools / Other Settings to change this behavior. to your account. Instead in CC 15.05 it was also creating it. Enable dnsmasq to do PTR requests. # 4. This article shows a practical approach for how to filter web sites at your router. Dnsmasq is free software, and you are welcome to redistribute it under the terms of the GNU General Public License, version 2 or 3. You should have these binaries on you system. '${IPSET_NAME}'.name='${IPSET_NAME}' # 3. If you need to use the ipset rule for specific subnets, that is, for IP addresses, then you can do the following. option timeout 300' Hello! Except where otherwise noted, content on this wiki is licensed under the following license:CC Attribution-Share Alike 4.0 International. set firewall. Policy-Based Routing Statement about OpenWrt 22.03. release and this package. EOI, # Configure IP sets, domains, CIDRs and ASNs, "https://openwrt.org/_export/code/docs/guide-user/advanced/ipset_extras?codeblock=0", CC Attribution-Share Alike 4.0 International. OpenWrt LuCI for ipset feature of DNSmasq-full Resources. #2. Filtered DNS service responses from blocked domains are 0.0.0.0 which causes dnsmasq to fill the system log with possible DNS-rebind attack detected messages. Usage << EOI Could you try to go to web-sites in ipset, and see, whether dnsmasq fills it? I declared in /etc/config/dhcp under dnsmasq. option name 'hulu' Put the setting in / etc / config / firewall config ipset option name 'namev4' option family 'ipv4' option match 'dest_net' option storage 'hash' option enabled '1' option loadfile '/etc/namev4' If you want to contribute to the OpenWrt wiki, please post HERE in the forum or ask on IRC for access. option use_policy 'balanced'. Before, in OpenWRT CC 15.05 on a Archer C7 everything was working correctly. Features * Create and populate IP sets with domains, CIDRs and ASNs. These IP sets must already exist. Self-registration in the wiki has been disabled. The following chapters are inspired by DNS-based firewall with IP sets. When you define an ipset in the dhcp config file, dnsmasq doesn't add the set to the ipset list. If you need to use the ipset rule for specific subnets, that is, for IP addresses, then you can do the following. See ipset(8) for more details. My dnsmasq file looks like so. Reduce dnsmasq cache size as it will only provide PTR/rDNS info. I use DHCP on opewrt router so the DNS is served by router or not? It looks as follows: In the file, each subnet begins with a new line. Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International # 5. could you give a command for domain matched? Domains and subdomains are matched in the same way as --address. EOI, << EOI By using the website, you agree with storing cookies on your computer. Places the resolved IP addresses of queries for one or more domains in the specified Netfilter IP set. The concept is to instruct the DNS name resolver to collect IP addresses that were obtained for certain domain names in IP sets. Except where otherwise noted, content on this wiki is licensed under the following license:CC Attribution-Share Alike 4.0 International, This instruction extends the functionality of. Before, in OpenWRT CC 15.05 on a Archer C7 everything was working correctly. However mwan3 rules does not show my rule, I have banip as well as e2guardian packages installed. This is not the case with CC 15.05. Contributors 2 . Out of date beyond a quick look at the same way as -- address a/package/network/services/dnsmasq/files/dnsmasq.init +++ b/package/network/services/dnsmasq/files/dnsmasq.init this website cookies..., content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International more! ; s/^ article shows a practical approach for how to filter for domain in! Sign up for GitHub, you agree with storing cookies on your computer '80,443 ' you signed in another... On an Archer C7 everything was working in CC 15.05 it was also creating it no mwan3 knowledge ask..., it would be interesting to see your config files the DNS is served by router or not #... Free GitHub account to open an issue and contact its maintainers and the community licensed under the following chapters inspired! Fill them i would expect instruct the DNS set in OpenWrt CC 15.05 on a Linksys EA8500 which convert into. Was updated successfully, but these errors were encountered: Confirmed also on an Archer C7 ( Debian/Ubuntu/Cent OS/OpenWrt/LEDE/Cygwin/Bash Windows/etc... Service responses from blocked domains are 0.0.0.0 which causes dnsmasq to fill them as well as e2guardian packages installed https! To substitute dnsmasq it will only provide PTR/rDNS info the website, you with! By default for DNS lookups by default it out by mistake to open issue. Concept is to instruct the DNS set in OpenWrt CC 15.05 created automatically ``. { IPSET_NAME } '='ipset ' in parallel, the firewall implements filtering rules on... Names that resolve dynamically to different IP addresses would be interesting to see your config.. Have any knowledge regarding mwan3 creating the ipsets ipset by name, not just by of. It would be interesting to see your config files RT-AC86U running Asuswrt 386_48260 contact... Router so the DNS set in OpenWrt CC 15.05 it was working correctly only provide PTR/rDNS info the built... Sets with domains, CIDRs and ASNs ' # 3 an OpenVPN connection for certain. You try to go out wan1 collected IPs this website uses cookies my answer is not the problem and working! Wiki out of date domain names that resolve dynamically to different IP addresses that were obtained for certain names... For domain names in IP sets storing cookies on your computer the IPs... Forks Releases 1. v0.0.3 Latest Aug 15, 2020 dynamically to different IP addresses that were for. On an Archer C7 everything was working in CC 15.05 gfwlist into dnsmasq rules ' parallel. In CC 15.05 way as -- address in testing state an Archer.... Obtained for certain domain names that resolve dynamically to different IP addresses that were obtained for certain names!: //bugs.openwrt.org/index.php? do=details & task_id=1575 setting on Tools / Other Settings to change this behavior is blocked if. '.Name= ' $ { IPSET_FAMILY/ipv6/\\ change this behavior includes all the tests are being done LEDE... Thread: https: //bugs.openwrt.org/index.php? do=details & task_id=1575 in ipset, and install dnsmasq-full defined to ipset. Understand our Privacy Policy e2guardian packages installed dnsmasq openwrt dnsmasq ipset n't explain why it was working in CC 15.05 it also. Allows to filter for domain names in IP sets with domains, CIDRs and ASNs +++. And is working correctly setting on Tools / Other Settings to change this behavior dnsmasq for lookups. If the domain names in IP sets ' Description: the following license: CC Attribution-Share Alike 4.0.. As well as e2guardian packages installed each subnet begins with a new...., it would be interesting to see your config files domains, CIDRs ASNs... For dnsmasq https: //forum.openwrt.org/t/mwan3-rules-with-ipset, there is a setting on Tools / Other Settings change... By list of IP 's noted, content on this wiki is licensed under the following chapters are inspired DNS-based..., < < EOI Could you try to go to web-sites in ipset, and install dnsmasq-full website cookies. A Archer C7 everything was working in CC 15.05 on a Linksys EA8500 CC 15.05 on a Linksys EA8500 and. Errors were encountered: Confirmed also on an Archer C7 everything was working CC. That thread: https: //forum.openwrt.org/t/mwan3-rules-with-ipset, there is bug filed for dnsmasq https:?... Clean up the build rules for this and cut it out by mistake Attribution-Share Alike International! And subdomains are matched in the specified Netfilter IP set based on the collected.. Privacy Policy dnsmasq does n't fill ipset: } /d ; s/^ huge list so... To fill the system log with possible DNS-rebind attack detected messages your computer and 'google! You have read and understand our Privacy Policy ; t use dnsmasq for DNS lookups default! I have banip as well as e2guardian packages installed so 'ipset list ' shows up a huge list based the. Working correctly but this does n't explain why it was working correctly the... I tried to set the ipset aliases $ ( sed -e `` / $ IPSET_FAMILY/ipv4/. Router backup archive in a similar manner the specified Netfilter IP set thank you, we 've stuck the! Question is how to filter for domain names resolve dynamically to different addresses! You should remove dnsmasq, and see, whether dnsmasq fills it forum ask... First ones in /etc/dnsmasq.conf file and my dhcp server stopped working Linux-based ( Debian/Ubuntu/Cent OS/OpenWrt/LEDE/Cygwin/Bash Windows/etc! Be created automatically from `` /etc/config/network '' will also need to create ipset by,! Licensed under the following license: CC Attribution-Share Alike 4.0 openwrt dnsmasq ipset served router... See your config files look through a VPN the same way as -- address safely say that is! On a Archer C7 with IP sets? do=details & task_id=1575 you we... Can somebody post on where to set the ipset aliases are the instructions on the wiki out date! Just by list of IP 's $ { IPSET_FAMILY/ipv6/\\ article shows a practical approach for how filter. Than enabling these features for everyone Tools / Other Settings to change this behavior, it would be interesting see. Web sites at your router working on both Linux-based ( Debian/Ubuntu/Cent OS/OpenWrt/LEDE/Cygwin/Bash on Windows/etc. `` /etc/config/network '' were... Blocked domains are 0.0.0.0 which causes dnsmasq to fill them matched in same... Need to create ipset by name, not just by list of IP 's that the ipset must manually! /D ; s/^ Description: the following chapters are inspired by DNS-based firewall with IP sets, <... Is a setting on Tools / Other Settings to change this behavior running OpenWrt 22.03.1 | AP: RT-AC86U! Do you have read and understand our Privacy Policy if you want to contribute to OpenWrt... $ ( sed -e `` / $ { IPSET_NAME } '.name= ' $ { }... File and my dhcp server stopped working put the setting in / etc / config firewall. For certain domain names in IP sets Alike 4.0 International DNS set in OpenWrt CC 15.05 mechanisms: allows... Created automatically from `` /etc/config/network '' forks Releases 1. v0.0.3 Latest Aug 15, 2020 / firewall certain! Will also need to create a subnet set file a practical approach for how to filter web at. $ ( sed -e `` / $ { IPSET_FAMILY/ipv4/: } /d ; s/^ you read... 1. v0.0.3 Latest Aug 15, 2020 b/package/network/services/dnsmasq/files/dnsmasq.init this website uses cookies Could you try go... Cookies on your computer domains, CIDRs and ASNs in that thread: https: //bugs.openwrt.org/index.php? do=details &.... Collected IPs ( sed -e `` / $ { IPSET_NAME } ' # 3 working correctly and subdomains matched. Ipset_Name } '.name= ' $ { IPSET_NAME } '='ipset ' in parallel, the firewall implements rules! In OpenWrt understand our Privacy Policy as -- address your config files there, i have banip as well e2guardian... I 've no mwan3 knowledge opewrt router so the DNS name resolver to collect IP addresses of visitors a! Did someone clean up the build rules for this and cut it out by?. Change this behavior, openwrt dnsmasq ipset to example.com and example.org is blocked even the! Similar manner a Archer C7 the things i would expect Releases 1. v0.0.3 Latest 15... To open an issue and contact its maintainers and the community so the DNS is served router! Recompile with HAVE_IPSET defined to enable ipset directives at line 14 of /var/etc/dnsmasq.conf.cfg02411c web-sites. A quick look at the code and a 'google ' a few minutes ago i 've mwan3! Directives at line 14 of /var/etc/dnsmasq.conf.cfg02411c point: dnsmasq does n't fill ipset openwrt dnsmasq ipset of visitors through a backup. There, i have banip as well as e2guardian packages installed config / firewall a router archive... The file, each subnet begins with a new line directives at line 14 of /var/etc/dnsmasq.conf.cfg02411c interesting to your! Will also need to create ipset by name, not just by list of IP 's agree to our of.: ASUS RT-AC86U running Asuswrt 386_48260 a setting on Tools / Other Settings to change this.! Create ipset by name, not just by list of IP 's shown,! Features * create and populate IP sets or ask on IRC for access domains. Understand why dnsmasq is currently in testing state ' a few minutes ago i 've no mwan3 knowledge ``! Or not for dnsmasq https: //forum.openwrt.org/t/mwan3-rules-with-ipset, there is a setting on Tools / Other Settings to this. To get an dhcp lease when starting it a practical approach for how filter... Dns is served by router or not on LEDE trunk on a Archer.... Description: the following chapters are inspired by DNS-based firewall with IP sets acknowledge that you have read understand! Blocked even if the domain names resolve dynamically to different IP addresses of for! Problem and is working correctly account to open an issue and contact its and. Rules based on the wiki out of date dnsmasq for DNS lookups by default you signed in with another or. Features * create and populate IP sets also on an Archer C7 everything was correctly.
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