3
What is new in Firewall Builder 4.0view story

http://www.fwbuilder.org – v4.0 comes with support for high availability configurations for firewalls on Linux, BSD and Cisco PIX. It can generate configuration scripts to manage ip addresses of interfaces,vlans, bridges and bonding interfaces. This is a major upgrade that also adds many improvements in the GUI. (Security)

5
Linux VPN Client for Cisco VPNs: vpncview story

http://www.linuxplanet.com – The Cisco VPN client, vpnc, enables your Linux workstation to connect to a Cisco 3000 series VPN concentrator PIX firewall. Until vpnc existed, corporate employees were often relegated to connecting to their company's network via a Windows machine or with Cisco's problematic VPN client for Linux. Thankfully, those days are over, but not without slight configuration effort. (HowTos)