De retour après avoir sécurisé ma config (reste plus qu'à changer le port 5060). Pourriez-vous me donner votre avis sur le résultat de iptables -L -v ?
Code:
root@pcsat:/usr/bin# iptables -L -v
Chain INPUT (policy ACCEPT 39M packets, 15G bytes)
 pkts bytes target     prot opt in     out     source                destination
   36  2451 ACCEPT     all  --  any    any     192.168.200.0/24      anywhere
    0     0 DROP       udp  --  any    any     anywhere              anywhere            udp dpt:sip STRING match "Cirpack KeepAlive Packet"  ALGO name bm TO 65535
    0     0 ACCEPT     udp  --  eth0   any     anywhere              anywhere            udp dpts:10000:20000
    0     0 ACCEPT     udp  --  eth0   any     77.72.169.134         anywhere            udp dpt:sip
    0     0 ACCEPT     udp  --  eth0   any      routed-static-PA.de.kpn-eurorings.net  anywhere            udp dpt:sip
    0     0 ACCEPT     udp  --  eth0   any     77.72.169.134         anywhere            udp dpt:sip
    0     0 ACCEPT     udp  --  eth0   any      routed-static-PA.de.kpn-eurorings.net  anywhere            udp dpt:sip
    0     0 ACCEPT     udp  --  eth0   any     77.72.174.143         anywhere            udp dpt:sip
    0     0 ACCEPT     all  --  eth0   any     anywhere              anywhere            state RELATED,ESTABLISHED
    0     0 ACCEPT     tcp  --  eth0   any     anywhere              anywhere            tcp dpt:domain
    0     0 ACCEPT     udp  --  eth0   any     anywhere              anywhere            udp dpt:domain
    0     0 LOG_DROP   all  --  eth0   any     anywhere              anywhere

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source                destination

Chain OUTPUT (policy ACCEPT 41M packets, 31G bytes)
 pkts bytes target     prot opt in     out     source                destination

Chain LOG_DROP (1 references)
 pkts bytes target     prot opt in     out     source                destination
    0     0 LOG        tcp  --  any    any     anywhere              anywhere            tcp dpt:sip LOG level warning prefix `[IPTABLES DROP  SIP] : '
    0     0 LOG        udp  --  any    any     anywhere              anywhere            udp dpt:sip LOG level warning prefix `[IPTABLES DROP  SIP] : '
    0     0 LOG        tcp  --  any    any     anywhere              anywhere            LOG level warning prefix `[DROP] : '
    0     0 REJECT     all  --  any    any     anywhere              anywhere            reject-with icmp-port-unreachable

Chain fail2ban-ASTERISK (0 references)
 pkts bytes target     prot opt in     out     source                destination
63951   17M RETURN     all  --  any    any     anywhere              anywhere
root@pcsat:/usr/bin#