icmp and ip_conntrack
Is it possible that when successfully pinging server, which has conntrack enabled, cat /proc/net/ip_conntrack not show icmp entries?
All ping requests/replyes goes both sides (seen in tcpdump)
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Best regards, Oleg
Quoted 4 lines · Oleg
Is it possible that when successfully pinging server, which has conntrack enabled, cat
/proc/net/ip_conntracknot show icmp entries?All ping requests/replyes goes both sides (seen in tcpdump)
There should only be 1 reply packet, so the conntrack is destroyed immediately.
http://iptables-tutorial.frozentux.net/iptables-tutorial.html#ICMPCONNECTIONS