Avocent ACS 5000 manual Numeric protocol fields, TCP protocol fields, UDP protocol fields

Models: ACS 5000

1 161
Download 161 pages 20.5 Kb
Page 90
Image 90

82 Cyclades® ACS 5000 Installation/Administration/User Guide

Numeric protocol fields

If Numeric is selected as the protocol when specifying a rule, a text field appears to the right of the menu for the desired number.

TCP protocol fields

If TCP is selected as the protocol when specifying a rule, the additional fields shown in the following table appear on the bottom of the form.

Table 7.7: Expert - TCP Options Fields

Field/Menu Option

Source Port

- OR -

Destination Port

-AND-

to

TCP Flags

Definition

A port number for filtering in the Source Port or Destination Port field. A range of IP address can be specified by adding a second port number in the to field. TCP packets are filtered for for the range of specified IP addresses.

The TCP flags cause packets to be filtered for the specified flag and the selected condition. The flags are: SYN (synchronize), ACK (acknowledge), FIN (finish), RST (reset), URG (urgent) or PSH (push) and the conditions are either Any, Set or Unset.

Inverted

By checking this box, the TCP options are Inverted. Inverting an item negates the selected rules. Rules will apply to everything except the selected options.

UDP protocol fields

If UDP is selected as a protocol when specifying a rule, the additional fields shown in the following table appear at the bottom of the form.

Table 7.8: UDP Options

Field

Source Port

-OR - Destination Port -AND-

to

Inverted

Definition

A port number for filtering in the Source Port or Destination Port field. A range of IP address can be specified by adding a second port number in the to field. TCP packets are filtered for for the range of specified IP addresses.

By checking this box, the UDP options are Inverted. Inverting an item negates the selected rules. Rules will apply to everything except the selected options.

Page 90
Image 90
Avocent ACS 5000 manual Numeric protocol fields, TCP protocol fields, UDP protocol fields, UDP Options Field