Figure 7.21: Firewall Configuration Add Rule And Edit Rule Udp Protocol Fields; Table 7.12: Expert - Tcp Options Fields; Table 7.13: Udp Options - Avocent Cyclades ACS Installation/Administration/User Manual

The following table defines the fields and menu options in the TCP Options Section.

Table 7.12: Expert - TCP Options Fields

Field/Menu Option
Source Port
- OR -
Destination Port
-AND-
to
TCP Flags
Inverted
UDP protocol fields
If UDP is selected as a protocol when specifying a rule, the additional fields shown in the following
figure appear at the bottom of the form.

Figure 7.21: Firewall Configuration Add Rule and Edit Rule UDP Protocol Fields

The following table defines the fields in the UDP Options Section.

Table 7.13: UDP Options

Field
Source Port
- OR -
Destination Port
-AND-
to
Inverted
ICMP protocol fields
If ICMP is selected as a protocol, the ICMP Type pull-down menu is displayed in the ICMP
Options Section at the bottom of the Firewall Configuration form. Select the ICMP type needed
from the list.
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.
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.
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.
Chapter 7: Network Menu and Forms 103