Ho provato ad impostare iptables con regole minime (vedi sotto) ma non c'è
niente da fare il firewall non si collega a nulla escluso se stesso
[root@mail ~]# iptables -L
Chain FORWARD (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere state
RELATED,ESTABLISHED
ACCEPT all -- 82.119.193.254 anywhere
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere state
RELATED,ESTABLISHED
ACCEPT all -- 82.119.193.254 anywhere
ACCEPT tcp -- anywhere anywhere state NEW tcp
dpt:http
ACCEPT tcp -- anywhere anywhere state NEW tcp
dpt:ssh
DROP all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere state
RELATED,ESTABLISHED