open5gs/docs/_posts/2022-03-27-release-v2.4.5.md

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---
title: "v2.4.5 - GTP-1C(GGSN) provided by sysmocom"
date: 2022-03-27 19:32:00 +0900
categories:
- Release
tags:
- News
- Release
head_inline: "<style> ul { padding-bottom: 1em; } .blue { color: blue; }</style>"
---
#### New Features
- [SMF] Introduced Gn interface(GTPv1C) Support to SMF provided [sysmocom](https://sysmocom.de) -- [pespin](https://github.com/pespin)
#### Enhancements
- [SMF] Remove T_RELEASE_HOLDING timer -- [72ecd1c](https://github.com/open5gs/open5gs/commit/72ecd1c0052a55d8aefb645eb2c3e7c64057caae)
- [MME] Refactor to check a piggybacked ESM -- [bf77318](https://github.com/open5gs/open5gs/commit/bf773186026c9847a2aff0035d91949a1b098d14)
- [CORE] Added APIs to manage NTP 32-bit timestamps ([#1439](https://github.com/open5gs/open5gs/pull/1439)) -- [pespin](https://github.com/pespin)
- [GTP] Supprt binding socket to device/Improve socket configuration ([#1404](https://github.com/open5gs/open5gs/pull/1404)) -- [pespin](https://github.com/pespin)
- [ASN] Applied the NGAP modification of both [mouse07410/asn1c#89](https://github.com/mouse07410/asn1c/pull/89) and [mouse07410/asn1c#90](https://github.com/mouse07410/asn1c/pull/90) -- [nkout](https://github.com/nkout)
- [SMF] Support PCO protocol ID PAP(0xc023) ([#1357](https://github.com/open5gs/open5gs/issues/1357)) -- [pespin](https://github.com/pespin)
- [ALL] Refined systemd sequencing ([#1366](https://github.com/open5gs/open5gs/pull/1366), [#1368](https://github.com/open5gs/open5gs/pull/1368)) -- [matt9j](https://github.com/matt9j)
#### Security Updates
- [UPF] Check if Source IP address is spoofing ([#1354](https://github.com/open5gs/open5gs/issues/1354), [#1355](https://github.com/open5gs/open5gs/issues/1355)) -- [pespin](https://github.com/pespin)
#### Bug Fixes
- [AMF] Fixed the Slice/DNN selection method ([#1438](https://github.com/open5gs/open5gs/issues/1438), [#1440](https://github.com/open5gs/open5gs/issues/1440)) -- [dcandal-gti](https://github.com/dcandal-gti)
- [ALL] Use talloc memory pool in PKBUF ([#1353](https://github.com/open5gs/open5gs/issues/1353), [#1431](https://github.com/open5gs/open5gs/issues/1431)) -- [raphaelsander](https://github.com/raphaelsander)
- [SMF] Exception handling for APN duplicate check ([#1431](https://github.com/open5gs/open5gs/issues/1431)) -- [raphaelsander](https://github.com/raphaelsander)
- [SBI] Need to increase NF reference count -- [ed34444e](https://github.com/open5gs/open5gs/commit/ed3444eef5e9e57705645b500dbd6c5af453703f)
- [CORE] Initialize struct epoll_event ([#1399](https://github.com/open5gs/open5gs/issues/1399)) -- [pespin](https://github.com/pespin)
- [SMF/PCRF] Fixed prefix length in Gx CCR Framed-IPv6-Prefix AVP ([#1396](https://github.com/open5gs/open5gs/pull/1396), [#1398](https://github.com/open5gs/open5gs/pull/1398)) -- [herlesupreeth](https://github.com/herlesupreeth)
- [SMF/PCRF] Fixed packet fileter for pre rel11 LTE devices ([#1393](https://github.com/open5gs/open5gs/pull/1393)) -- [herlesupreeth](https://github.com/herlesupreeth)
- [SMF] Fixed an incorrect GTP cause with a changed APN type(IPv4v6->IPv4/IPv6) ([#1360](https://github.com/open5gs/open5gs/issues/1360)) -- [pespin](https://github.com/pespin)
- [ALL] Fixed the timezone string converter ([#1376](https://github.com/open5gs/open5gs/issues/1376)) -- [modyngs](https://github.com/modyngs)
- [SMF] Added DNS servers to PCO IPCP only if UE requested ([#1358](https://github.com/open5gs/open5gs/issues/1358)) -- [pespin](https://github.com/pespin)
- [SBI] Remove Accept-Encoding(gzip) in HTTP2-Client -- [ffcd92c](https://github.com/open5gs/open5gs/commit/ffcd92c2f3b6547ae8d159b195ffc0592ad0f3e9)
- [SBI] Fixed NFs crash if no mandotory item such like a version in NFService ([#1350](https://github.com/open5gs/open5gs/issues/1350)) -- [ajimenezsa](https://github.com/ajimenezsa)
Download -- [v2.4.5.tar.gz](https://github.com/open5gs/open5gs/archive/v2.4.5.tar.gz)
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