It appears that this issue concerns all Linux bridges: # cat iptables/rules.v4 | grep lxcbr0 | sort | uniq -c 7 -A FORWARD -i lxcbr0 -j ACCEPT 7 -A FORWARD -o lxcbr0 -j ACCEPT 7 -A INPUT -i lxcbr0 -p tcp -m tcp --dport 53 -j ACCEPT 7 -A INPUT -i lxcbr0 -p tcp -m tcp --dport 67 -j ACCEPT 7 -A INPUT -i lxcbr0 -p udp -m udp --dport 53 -j ACCEPT 7 -A INPUT -i lxcbr0 -p udp -m udp --dport 67 -j ACCEPT 13 -A POSTROUTING -o lxcbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill
** Summary changed: - iptables-save duplicates libvirt rules + iptables-save duplicates all rules related to Linux bridges -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1738403 Title: iptables-save duplicates all rules related to Linux bridges To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iptables/+bug/1738403/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs