Communications Access Control

• Routers and Filtering
• Firewalls
• Router and Firewall Comparison
• Problems
• (Dis)Allowing TELNET Access
• (Dis)Allowing FTP Access
• Protecting your own Systems
• Security Alert Services

Routers and Filtering

Firewalls

• What can be restricted
• What should be restricted

Router and Firewall Comparison

Problems

• Users
• Software
• Hardware

(Dis)Allowing TELNET Access

(Dis)Allowing FTP Access

Protecting your own Systems

• Firewalls
• Routers
• Firewalls Mailing List
• Subscribe to the Firewalls mailing list - email to majordomo@GreatCircle.COM with message: subscribe firewalls.

Security Alert Services

• Sun MicroSystems
• IBM Emergency Response Service (IBM-ERS)
• NASA Automated Systems Incident Response Capability (NASIRC)
• Hewlett Packard
• DEC - Digital Equipment Corporation Software Security Response Team
• CERT - Computer Emergency Response Teams
• FIRST - Forum of Incident Response and Security Teams
  A list of FIRST member organizations and their constituencies can be obtained by sending email to docserver@first.org with an empty subject line and a message body containing the line: send first-contacts.
• CIAC - The U.S. Department of Energy Computer Incident Advisory Capability.
  E-mail to ciac-listproc@llnl.gov. Message: subscribe list-name LastName, FirstName PhoneNumber e.g., subscribe ciac-notes O' Hara, Scarlett W. 404-555-1212 x36
  Contact Points:
  • World Wide Web: http://ciac.llnl.gov/
  • Anonymous FTP: ftp:ciac.llnl.gov(128.115.19.53)
  • Modem access:
    • +1 (510) 423-4753 (28.8K b/s)
    • +1 (510) 423-3331 (28.8K b/s)