*filter

# default policy is DROP
-P INPUT DROP
-P OUTPUT DROP
-P FORWARD DROP

# allow PT-TLS 
-A INPUT  -i eth0 -s 10.1.0.10 -p tcp --sport 271 -j ACCEPT
-A OUTPUT -o eth0 -d 10.1.0.10 -p tcp --dport 271 -j ACCEPT

# allow ssh
-A INPUT  -p tcp --dport 22 -j ACCEPT
-A OUTPUT -p tcp --sport 22 -j ACCEPT

# allow crl fetch from winnetou
-A INPUT  -i eth0 -p tcp --sport 80 -s 192.168.0.150 -j ACCEPT
-A OUTPUT -o eth0 -p tcp --dport 80 -d 192.168.0.150 -j ACCEPT

COMMIT