Redhat docs mentions that we should add a rule for IGMP: # iptables -I INPUT -p igmp -j ACCEPT Is that really needed, or does the kernel accept that by default? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.proxmox.com/pipermail/pve-devel/attachments/20140520/dff173c2/attachment.htm>