Tags: bbailly/gtp-guard
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GTPv1: exclusive Sqn tracking for ingress messages GTP-C Sollicited messages are refered to as GTP_INGRESS. Makes Sqn update exclusive to these messages since it may exist some GTPv1 protocol anomaly or bogus implementation (you choose), where GTP-C TEID IE is present in response message where it should not or mainly there is no reason for. Update-PDP-Response for example can add GTP-C TEID but there is no reasons for it since teid present in GTP header can be used for that purpose. Mainly it is creating redundant information leading to protocol inconsitence. So make the code more tolerant in such a case. Signed-off-by: Alexandre Cassen <acassen@gmail.com>
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