Linux/ゲートウェイサーバ の変更点
**ゲートウェイサーバ [#z59a690d]
# vi /etc/sysctl.conf
net.ipv4.ip_forward=0
↓以下に修正
net.ipv4.ip_forward=1
**iptables [#b3246ad8]
*filter
:INPUT DROP [37:9133]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [333:41657]
:TRUST-NET - [0:0]
-A INPUT -j TRUST-NET
-A FORWARD -j TRUST-NET
-A TRUST-NET -s 127.0.0.1 -j ACCEPT
-A TRUST-NET -p icmp -j ACCEPT
-A TRUST-NET -m state --state RELATED,ESTABLISHED -j ACCEPT
COMMIT
*nat
:PREROUTING ACCEPT [40:9317]
:POSTROUTING ACCEPT [2:120]
:OUTPUT ACCEPT [5:1061]
-A POSTROUTING -o eth0 -j MASQUERADE
COMMIT
