Compatible Systems 5.4 User Manual

Page 146

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Chapter 8 - IntraGuard Firewall Configuration

DNSUse defines how DNS (Domain Name Service) packets will be
handled on the path. DNS is the protocol which translates IP addresses
into hostnames and hostnames into IP addresses.

FTPUse defines how FTP (File Transfer Protocol) packets will be
handled on the path. Dynamic sessions are created for file transfers using
the PASV and PORT commands.

H323Use defines how H323 packets will be handled on the path. H323
is a video and audio conferencing protocol.

IPSecUse defines how IPSec (Internet Protocol Security) packets will be
handled on the path. Both encrypted (ESP) and authenticated (AH)
packets are supported.

IRCUse defines how IRC (Internet Relay Chat Protocol) packets will be
handled on the path.

LPRUse defines how LPR packets will be handled on the path. LPR is a
network printing protocol.

MailUse defines how SMTP (Simple Mail Transfer Protocol) packets
will be handled on the path. This protocol is used to send mail between
servers.

NFSUse defines how NFS (Network File Sharing Protocol) packets will
be handled on the path. To permit NFS In, it may be necessary to set
SunRPCUse to In as well.

NetBIOSUse defines how NetBIOS packets will be handled on the path.
NetBIOS is Microsoft’s file sharing protocol.

NewsUse defines how NNTP (Network News Transfer Protocol) packets
will be handled on the path.

NonIPUse defines how non-IP packets will be handled on the path. This
would include other protocols such as AppleTalk and IPX.

OSPFUse defines how OSPF (Open Shortest Path First) packets will be
handled on the path. OSPF is a link state routing protocol.

POPUse defines how POP packets will be handled on the path. POP is a
mail client protocol. This protocol allows users to receive mail.

RIPUse defines how RIP (Routing Information Protocol) packets will be
handled on the path.

RealAudioUse defines how Internet Real Audio Protocol packets will be
handled on the path. Real Audio is an audio and video conferencing
protocol.

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