"Updates to General free tools this week include: Portable OpenSSH, sftp, AES encryption, Apache and Linux Kernel."
"Auditing and Intrusion Monitoring tools include Nmap, Snort, SAINT, libnids and 8 other tools."
"Firewalls for Unix/Linux/BSD & Cross-platform include 5 tools and FwLogWatch, which looks interesting."
"Tools for Unix/Linux/BSD & Cross-platform include AMaViS, Immunix and 13 other tools. Generic Software Wrappers Toolkit 1.5.0 is a completely new tool in the digest and seems to be of interest."