This bug was fixed in the package iptables-persistent - 1.0.4+nmu2ubuntu1.1
--------------- iptables-persistent (1.0.4+nmu2ubuntu1.1) bionic; urgency=medium * Add configuration options IP[6]TABLES_RESTORE_NOFLUSH so that existing rules are not flushed on start/load (LP: #1949643) - debian/netfilter-persistent.default: Introduce options - plugins/{15-ip4tables,25-ip6tables}: Check/apply options -- Jorge Merlino <jorge.merl...@canonical.com> Fri, 10 Dec 2021 10:51:47 -0300 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1949643 Title: iptables-persistent unconditionally drops existing iptables rules To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/iptables-persistent/+bug/1949643/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs