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Kurt Tomicich
2005/02/15



Reference
Subject:Port blocking on Firewalls
Category:WAN
Revision Date:2005/02/15 Modified: 2005/03/07
 
Reviewers
OriginatorPreviousCurrentFuture
Kurt TomicichKurt Tomicich/KRTNoneNone
All Firewalls should have the following inbound ports blocked from WAN to LAN and, where applicable, WAN to DMZ:
Port
Description
Protocol
445
MSFT DS
TCP (6)
137
NetBios
TCP (6)
137
NetBios
UDP (17)
138
NetBios
TCP (6)
138
NetBios
UDP (17)
139
NetBios
TCP (6)
139
NetBios
UDP (17)
135
RPC
TCP (6)
5000
UPnP
TCP (6)



Submitted for review on 2/15/2005
Review completed by Kurt Tomicich on 3/7/2005
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