May 01, 2018

OpenWRT /etc/firewall.user · GitHub Jun 05, 2019 OpenWrt Project: Netfilter In OpenWrt Currently, the most maintainable mechanism in OpenWrt is to add rules to a new chain in the WAN zone in /etc/firewall.user iptables -N spam_block iptables -A forwarding_rule -j spam_block iptables -t filter -A spam_block -s 103.110.144.0/22 -p tcp -m tcp --dport 25 -j DROP iptables -t filter -A spam_block -s 114.67.64.0/18 -p tcp -m tcp --dport [firewall3] some rules from firewall.user are - OpenWrt root@OpenWrt:~# cat /etc/firewall.user # This file is interpreted as shell script. # Put your custom iptables rules here, they will # be executed with each firewall (re-)start. iptables -I zone_wan_input 1 -j test_chain root@OpenWrt:~# fw3 reload Warning: Unable to locate ipset utility, disabling ipset support Removing IPv4 rules

How to set up a router with OpenWRT – Surfshark Customer

root@OpenWrt:~# ls -l /etc/firewall.user -rwx----- 1 root root 251 Mar 19 10:20 /etc/firewall.user. Attachments (0) Oldest first Newest first. Comments only. Change History (3) comment:1 Changed 5 years ago by Robert Grønning It seems like the problem occurs when "/etc/init.d/firewall reload" (fw3 reload) is used, it works fine if "/etc/init.d OpenWrt Project: Secure your router's access

OpenWrt Project: Netfilter In OpenWrt

OpenWRT iptables-mod-geoip howto Howto filter internet traffic based on country of origin (or destination) on your router? But if you want your rules to survive a reboot you'l have to put them in /etc/firewall.user file anyway. That's all from me now. Thanks for reading, and leave your feedback in the comments below. Zverejnil Unknown o VPN Setup guide for OpenWrt Enable a Kill-switch by adding the following script into the “/etc/firewall.user” file (under the commented lines) using any text editors (vi, ee, nano, etc..): # This file is interpreted as shell script. # Put your custom iptables rules here, they will # be executed with each firewall (re-)start. Changing outgoing TTL value : openwrt Should do the trick.. drop this into /etc/firewall.user on the OpenWRT router. Change eth0 to your WAN device. level 2. 2 points · 1 year ago--ttl-inc 1 would be better, that way, it doesn't touch TTL as routed. This also "hides" this router from traceroute as it doesn't touch TTL. How to restrict Internet access to known IP/MAC on OpenWRT? On OpenWRT custom firewall rules can be defined in /etc/firewall.user. Before creating rules we need some method to create and (easily) maintain IP/MAC pairs. I decided t use /etc/ethers and /etc/hosts that already contains MACs, hostnames nad IPs (used by dnsmasq). On my router I have /etc/ethers in format: