Network Security (7)

• Gauntlet Firewall 2.0 for Windows NT from Network Associates (http://www.nai.com)

• FireWall-1 for Windows NT from Check Point Software Technologies (http://www.checkpoint.com)

• Firewall policy:

  • must support without internal client modifications: telnet, FTP, e-mail (SMTP out, POP3 in), HTTP, HTTPS, NNTP, IRC, RealAudio
  • ICMP (ping, traceroute) allowed from internal host outside; firewall should prevent ping and traceroute from outside
  • Telnet and FTP allowed inbound with strong authentication
  • secure remote administration allowed
  • firewall must prevent IP spoofing attempts
  • the firewall needs logging and reporting mechanisms

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