Cisco Cisco Packet Data Gateway (PDG)
ACS Ruledef Configuration Mode Commands
▀ tcp initial-handshake-lost
▄ Command Line Interface Reference, StarOS Release 18
1160
tcp initial-handshake-lost
This command allows you to define rule expressions to match data packets when there has been no TCP handshaking to
establish TCP connection.
establish TCP connection.
Product
ACS
Privilege
Security Administrator, Administrator
Mode
Exec > ACS Configuration > Ruledef Configuration
active-charging service service_name > ruledef ruledef_name
Entering the above command sequence results in the following prompt:
[local]host_name(config-acs-ruledef)#
Syntax
[ no ] tcp initial-handshake-lost operator condition
no
If previously configured, deletes the specified rule expression from the current ruledef.
operator
Specifies how to match.
operator
must be one of the following:
!=
: Does not equal
=
: Equals
condition
Specifies the condition to match.
condition
must be one of the following:
FALSE
TRUE
Usage
Use this command to define rule expressions to match data packets when there has been no TCP handshaking
to establish TCP connection.
to establish TCP connection.
Example
The following command defines a rule expression to identify TCP flow where the initial handshake was not
seen:
seen:
tcp initial-handshake-lost = TRUE