
YuChakTinMichael‘sGIACGCFWProjectAssignment
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ProtocolRules:
ProtocolrulesinISAServerdeterminewhichprotocolsclientscanusetoaccessthe
internet. Theprotocolsthattheusersusemustbecarefullyselected.Rulesareapplied
toallowoutboundrequestsonlyontheseprotocols.
Theseprotocolsareapplicationspecific.Forexample,AOLMessengerandICQuse
differentprotocols.Whetherornot theseapplicationsareallowedisamatterof
companypolicy,andisoutofthescopeofthisproject.Tobecertain,thefollowing
protocolsarealmostalwaysneeded:
n HTTP
n HTTPS
n FTP
n SMTP
n POP3
n IMAP
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