- Sun Storage Virtual Tape Library VTL User Guide

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APPENDIX
B
Requiredports
Inordertomaintainahighlevelofsecurity,youshoulddisableallunnecessary
ports.Th eonlyportsrequiredbyVTLare:
■ TCPport11576‐UsedforVTLConsoletoVTLServermanagement
communication.
■ UDPport11577‐UsedforIPreplication.
■ UDPport11578‐Usedforencry ption.
■ UDPport11579‐Usedforencry ption.
■ TCPport11580‐Usedforcommunicationbetweenafailoverpair.
■ UDPport161‐UsedforSNMPtraps.
■ TCPport161‐UsedforSNMPtraps.
■ TCP/UDPport3205‐UsedforiSCSI.
■ TCPport3260‐UsedforiSCSI.
Althoughyoumaytemporarilyopensomeportsduringinitialse tupoftheVTL 
server,suchasthetelnetport(23)andFTPports(20and21),youshouldshutthem
downafteryouhavedoneyourwork.