1. G

    persistent nf_conntrack sysctl

    Hello. I am trying to modify nf_conntrack options in /etc/sysctl.conf i have : net.netfilter.nf_conntrack_generic_timeout=60 net.netfilter.nf_conntrack_icmp_timeout=10 #net.netfilter.nf_conntrack_tcp_timeout_close=10 net.netfilter.nf_conntrack_tcp_timeout_close_wait=20...
  2. A

    preconfigured firewall rules and overrun conntrack table

    I am encountering a problem on busy servers were the nodes "inexplicably" lost connectivity with cluster partners and fence themselves off. Some investigation shows that when this happens, pve-firewall is enabled and conntrack table is full. a quick look at "virgin" iptables rules has entries...


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