Public bug reported:
libvirt recently had a security upgrade. Every time the package has an
upgrade it re-installs firewall rules with means all my VMs loose
Internet connectivity.
After upgrade:
nafallo@pony:~$ sudo iptables -vnL
Chain INPUT (policy ACCEPT 3943M packets, 2378G bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT udp -- bklabs * 0.0.0.0/0 0.0.0.0/0
udp dpt:53
0 0 ACCEPT tcp -- bklabs * 0.0.0.0/0 0.0.0.0/0
tcp dpt:53
0 0 ACCEPT udp -- bklabs * 0.0.0.0/0 0.0.0.0/0
udp dpt:67
0 0 ACCEPT tcp -- bklabs * 0.0.0.0/0 0.0.0.0/0
tcp dpt:67
Chain FORWARD (policy ACCEPT 14G packets, 11T bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT all -- * bklabs 0.0.0.0/0 91.194.67.9
0 0 ACCEPT all -- bklabs * 91.194.67.9 0.0.0.0/0
38 3992 ACCEPT all -- bklabs bklabs 0.0.0.0/0 0.0.0.0/0
367 34537 REJECT all -- * bklabs 0.0.0.0/0 0.0.0.0/0
reject-with icmp-port-unreachable
271 17023 REJECT all -- bklabs * 0.0.0.0/0 0.0.0.0/0
reject-with icmp-port-unreachable
Chain OUTPUT (policy ACCEPT 2317M packets, 1709G bytes)
pkts bytes target prot opt in out source destination
Fix: nafallo@pony:~$ sudo iptables -F
My setup is not the default, but I'm bored of having the package
upgrades break my setup.
** Affects: libvirt (Ubuntu)
Importance: High
Status: New
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https://bugs.launchpad.net/bugs/746497
Title:
libvirt installs firewall rules on package upgrades
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