Hi, Everybody know ho to make this firewall with 1 command line :
iptables -A output -p tcp -s 192.168.0.0/24 -d 0.0.0.0/24 --dport 53 -j DROP iptables -A output -p tcp -s 0.0.0.0/24 -d 192.168.0.0/24 --sport 53 -j DROP it can do it at ipchains with -b options : ipchains -A output -p tcp -b 192.168.0.0/24 --dport 53 -j DENY Thx, Anton
