Firewalls mailing list - The Firewalls mailing list is for discussions of Internet firewall security systems and related issues. Relevant topics include the design, construction, operation, maintenance, and philosophy of Internet firewall security systems.

Security - To notify of unix security flaws BEFORE they become public knowledge, and to provide unix security enhancement programs and information.

Security Firewalls - discuss the issues involved in setting up and maintaining such Internet security firewall systems. To subscribe, send a one line message "subscribe firewalls".