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Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
Chapter 40 Configuring Inspection for Management Application Protocols
GTP Inspection
• Default Level—Sets the security level back to the default.
Modes
The following table shows the modes in which this feature is available:
IMSI Prefix Filtering
The IMSI Prefix tab lets you define the IMSI prefix to allow within GTP requests.
Fields
• Mobile Country Code—Defines the non-zero, three-digit value identifying the mobile country code.
One or two-digit entries will be prepended by 0 to create a three-digit value.
• Mobile Network Code—Defines the two or three-digit value identifying the network code.
• Add—Add the specified country code and network code to the IMSI Prefix table.
• Delete—Deletes the specified country code and network code from the IMSI Prefix table.
Modes
The following table shows the modes in which this feature is available:
Add/Edit GTP Policy Map (Security Level)
The Add/Edit GTP Policy Map pane lets you configure the security level and additional settings for GTP
application inspection maps.
Fields
• Name—When adding a GTP map, enter the name of the GTP map. When editing a GTP map, the
name of the previously configured GTP map is shown.
• Description—Enter the description of the GTP map, up to 200 characters in length.
• Security Level—Security level low only.
Do not Permit Errors
Maximum Number of Tunnels: 500
GSN timeout: 00:30:00
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
••••—
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
••••—
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