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Personal Firewalls

Firewall Info
Active / Passive FTP explanation
Internet Firewalls: FAQ
IPv6
COTSE Port Search
List of port numbers Keir.net
List of port numbers Neohapsis
List of port numbers IANA
Port numbers well-known trojans use Sans
RFC 1700 Assigned Numbers
RFC 1918 Private Addressing
Microsoft Windows Port Requirements

Firewall related utilites
ActivePorts
LeakTest
TCPView

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