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    CT from other CT via NAT and public IP not reachable

    OK, after trying for hours I found the solution - sorry for posting. First I enabled iptables-logging to see in which way the CT tries to connect to mailserver-CT. And so I found out, that from internal-network it's over venet0 instead of eth0 - no matter, that it tried to connect via public...
  2. T

    CT from other CT via NAT and public IP not reachable

    Hi, one CT works as a mailserver, reachable via NAT from external network with the following iptables-roules: IP="" echo 1 > /proc/sys/net/ipv4/ip_forward iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE iptables -t nat -A PREROUTING -p tcp -d $IP --dport 25 -i eth0 -j DNAT...


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