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Cabletron Systems HSIM-W6 User Manual

Page 106

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Chapter 6: HSIM-W6 Configuration with QuickSET

92

HSIM-W6 User’s Guide

Protocol —

Use this pull-down list to select the upper layer protocol that you want to apply to the

access control filter. Each access control filter can apply to traffic for all protocols included in the
TCP/IP suite, or just to traffic for a single protocol.

Permission —

Use this pull-down list to set the permissions for the specified control filter.

Options for this field include permit, deny, permit bi-directional, or deny bi-directional. Choosing
permit allows the specified packets to be forwarded, while choosing deny blocks the specified
packets. Choosing permit bi-directional or deny bi-directional will either permit or deny traffic to
and from a specified source or destination.

Port —

Enter the port number in this field to create an access control filter that applies only to

traffic for a specific TCP or UDP service.

Table 19

and

Table 20

supply a list of the standardized

TCP and UDP port numbers.

Table 19 TCP Services Port Numbers

TCP Services

Port #

TCP Services

Port #

FTP (File Transfer Protocol) -data

20

Host Name (NIC Host Name Server)

101

FTP

21

X.400 Mail Service

103

TELNET (Terminal Connection)

23

X.400 Mail Sending

104

SMTP (Simple Mail Transport Protocol)

25

AUTH Authentication Service

113

Time

37

UUCP-PATH Service

117

Host Name Server

42

NNTP (USENET News Transfer Protocol)

119

Domain Name Server

53

PWDGEN (Password Generator Protocol)

129

Finger

79

NETBIOS-SSN (NETBIOS Session Service)

139

HTTP

80

HTTPS (Secure)

443

DCP (Device Control Protocol)

93