OpenWrt Forum Archive
https://forum.archive.openwrt.org/viewtopic.php?id=2735416.11.2010 · The next thing I want to achieve is running a open captive portal an this device so that I can give the users some information. About Tor, Openwrt and about why I'm running this hotspot. I took a look at nodogsquash but its firewall-rules doesn't seem to work with the redirections for the transparent proxy.
[OpenWrt Wiki] fw3 NAT Configurations
openwrt.org › docs › guide-userFeb 11, 2021 · fw3 NAT Configurations. The fw3 application has extensive support for NAT filterning. NAT is a powerful feature and is credited with extending the life of the IPv4 protocol. As with other firewall section, this section will not delve into NAT background and theory. Some useful links for this are: OpenWrt supports DNAT, SNAT, MASQUERADING.
Transparent Tor Gateway on OpenWRT - New America
www.newamerica.org › oti › blogWe can see how connection tracking turned on for traffic in the tor zone is used when we look at /etc/firewall.user: root@OpenWRT:~# cat /etc/firewall.user [...] enable_transparent_tor() { iptables -t nat -A PREROUTING -i wlan1 -p udp --dport 53 -j REDIRECT --to-ports 9053 iptables -t nat -A PREROUTING -i wlan1 -p tcp --syn -j REDIRECT --to ...
[OpenWrt Wiki] Squid
https://openwrt.org/docs/guide-user/services/proxy/proxy.squid12.07.2019 · Add http (port 80) traffic forwarding to Squid (so called transparent mode). Add firewall section: vi /etc/config/firewall config redirect option name 'Allow-transparent-Squid' option enabled '1' option proto 'tcp' option target 'DNAT' option src 'lan' option src_ip '!192.168.1.1' option src_dip '!192.168.1.1' option src_dport '80' option dest 'lan' option dest_ip '192.168.1.1' …