Debian packages for PeerGuardian Linux (including the GUI) and its precessor moblock/blockcontrol/mobloquer. PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its origins lie in targeting aggressive IPs while you use P2P. See http://sourceforge.net/projects/peerguardian/
iptables web interface
Web interface for linux firewall written in haskell. It covers a little subset of options and targets. It works as standalone https daemon, and allows to authenticate with system accounts using pam. Iptadmin can't ruin iptables configuration files by design. It doesn't let user to block network access to the interface.
FireBucket is a project to create a Debian based Firewall/Router with WLAN and a choice of WAN (DSL) or UMTS/GPR connection. Als a choice of connection to UMTS/GPRS as a backup connction. A web configuration will also be implemented.