What is GPRS protocol?

GPRS Tunnelling Protocol (GTP) is a group of IP-based communications protocols used to carry general packet radio service (GPRS) within GSM, UMTS, LTE and 5G NR radio networks . In 3GPP architectures, GTP and Proxy Mobile IPv6 based interfaces are specified on various interface points.

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What is GTP in Palo Alto?

GTP comprises three types of traffic—control plane (GTP-C), user plane (GTP-U), and charging (GTP’ derived from GTP-C) traffic . Enabling GTP security on the Palo Alto Networks firewall allows you to statefully inspect, validate, filter, and perform security checks on GTPv2-C, GTPv1-C and GTP-U protocol messages.

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