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Table of Contents

FortiOS Carrier

GTPv0/v1 policy filtering

GTPv0/v1 policy filtering (called Advanced filtering on the GTP profile GUI) supports filtering GTPv0/v1 traffic based on RAT, RAI, ULI, APN restriction, and IMEI-SV to block specific harmful GPRS traffic and GPRS roaming traffic. The following table shows some of the GTP context requests and responses that are supported.

  GTP Create PDP Context Request GTP Create PDP Context Response GTP Update PDP Context Request GTP Update PDP
Context Response
APN yes yes -  
APN Restriction yes - - yes
IMEI-SV yes - - -
IMSI yes - yes -
RAI yes - yes -
RAT yes - yes -
ULI yes - yes -

GTPv0/v1 policy filtering

GTPv0/v1 policy filtering (called Advanced filtering on the GTP profile GUI) supports filtering GTPv0/v1 traffic based on RAT, RAI, ULI, APN restriction, and IMEI-SV to block specific harmful GPRS traffic and GPRS roaming traffic. The following table shows some of the GTP context requests and responses that are supported.

  GTP Create PDP Context Request GTP Create PDP Context Response GTP Update PDP Context Request GTP Update PDP
Context Response
APN yes yes -  
APN Restriction yes - - yes
IMEI-SV yes - - -
IMSI yes - yes -
RAI yes - yes -
RAT yes - yes -
ULI yes - yes -