вот iptables-save# Generated by iptables-save v1.3.8 on Tue Jul 8 17:19:05 2008
*nat
:PREROUTING ACCEPT [390:39289]
:POSTROUTING ACCEPT [39:2453]
:OUTPUT ACCEPT [42:4077]
-A PREROUTING -s 192.168.0.0/255.255.255.0 -i eth1 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128
-A POSTROUTING -s 192.168.0.0/255.255.255.0 -d 10.0.105.0/255.255.255.0 -o eth0 -j SNAT --to-source 10.0.105.204
-A POSTROUTING -o eth1 -j SNAT --to-source 87.249.236.2
COMMIT
# Completed on Tue Jul 8 17:19:05 2008
# Generated by iptables-save v1.3.8 on Tue Jul 8 17:19:05 2008
*mangle
:PREROUTING ACCEPT [2324:626306]
:INPUT ACCEPT [2111:613874]
:FORWARD ACCEPT [210:12198]
:OUTPUT ACCEPT [1740:585814]
:POSTROUTING ACCEPT [1740:585814]
COMMIT
# Completed on Tue Jul 8 17:19:05 2008
# Generated by iptables-save v1.3.8 on Tue Jul 8 17:19:05 2008
*filter
:INPUT DROP [54:15992]
:FORWARD DROP [210:12198]
:OUTPUT ACCEPT [1740:585814]
-A INPUT -i lo -j ACCEPT
-A INPUT -i INET_IFACE -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --tcp-flags SYN,ACK SYN,ACK -m state --state NEW -j DROP
-A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.0.0 -p tcp -m tcp --dport 20:21 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p tcp -m tcp --dport 3128 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 113 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 6667 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 110 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 25 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p tcp -m tcp --dport 1433 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.0.0 -p udp -m udp --dport 20:21 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p udp -m udp --dport 53 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p udp -m udp --dport 123 -j ACCEPT
-A INPUT -p udp -m udp --dport 5190 -j ACCEPT
-A INPUT -p udp -m udp --dport 110 -j ACCEPT
-A INPUT -p udp -m udp --dport 25 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p tcp -m tcp --dport 1433 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 5900 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p tcp -m tcp --dport 137 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p tcp -m tcp --dport 138 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p tcp -m tcp --dport 139 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p tcp -m tcp --dport 445 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p udp -m udp --dport 137 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p udp -m udp --dport 138 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p udp -m udp --dport 139 -j ACCEPT
-A INPUT -s 192.168.0.0/255.255.255.0 -p udp -m udp --dport 445 -j ACCEPT
-A FORWARD -i eth0 -j ACCEPT
-A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
COMMIT
# Completed on Tue Jul 8 17:19:05 2008
вопчем проблема уточнилась: не пингуется контроллер домена (192.168.0.10), хотя все остальные айпишнеки локалки пингуются прекрасна. На контроллере домена останавливать пакеты нечем, и с него наш сервак пингуется норм.
Вот в чём может быть трабла?