User guide

CHAPTER 5: Types of Services

76 WatchGuard Firebox System 6.0

aware that the standard SMB or NetBios ports may also need to be

allowed so that the above software will work properly.

OTE

DCE-RPE allows

all

DCE RPC traffic through the firewall (to and from

the configured addresses and ports as appropriate)—it does not filter any

of the packets for harmful content.

Characteristics

• Service Name: DCE-RPC

• Protocol: DCE-RPC

• Client Port: client

• Port Number: 135

FTP

FTP is the File Transfer Protocol, one of the most common ways to move

files over the Internet.

Characteristics

•Protocol: TCP

• Server Port(s): 20 (command channel), 21 (data channel)

• Client Port(s): greater than 1023

•RFC: 414

Common Scenarios

Scenario 1

Description

There is a “public” FTP server on the Optional network.

Icons in the Services Arena

An FTP icon must be present for FTP to work. Incoming

connections must be Allowed To the FTP server, Outgoing

connections are usually Allowed From Any to To Any.

Scenario 2