netfilter/iptables scripts
Some ready to use scripts to setup a netfilter (linux 2.4/2.6) firewall. Most common setups are covered.
Configuration for a single workstation. All inbound connections are filtered while all outbound connections are allowed.
Configuration for a home gateway. Masquerading is active for LAN's clients. All inbound connections are filtered while all outbound traffic is allowed.
Configuration for a LAN gateway. The gateway acts as a DNS and SMTP server for the LAN. SSH inbound connections are allowed from the LAN as well. DNS and SMTP outbound connections are allowed to the Internet; LAN's client can access public web and FTP services.
Configuration for a gateway with DMZ support. private IP addresses - and on a private LAN. Natting is active for both DMZ servers and private LAN clients. The gateway itself accepts only inbound SSH connections from the LAN's client. Public access to some well defined services hosted in the DMZ is granted, as well as restricted access to the Internet by DMZ server and LAN's clients.
