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Home > Linux > IPFire 2.27 Core Update 168 is released

IPFire 2.27 Core Update 168 is released

The developers of IPFire have released a new update for the Linux distribution that targets firewall systems.


Rusen Gobel Rusen Gobel
June 14, 2022
2 min read
IPFire 2.27 Core Update 168 Is Released

One of the popular Linux distributions for network and firewall devices, IPFire, has received a new core update. The new Core Update 168 delivers improvements for the Intrusion Prevention System (IPS) alongside other security improvements while updating the Linux firmware bundle.

Improvements for IPS

The Intrusion Prevention System has received its own enhancements, most notably for the handling of ruleset providers. The patch allows enabling the Monitoring mode for each ruleset provider individually; which makes baselining and testing easier. Parsing and restructuring of changed or updated rulesets have also been improved for better performance. Finally, the downloader now automatically checks the ETag HTTP header to determine whether a ruleset has been updated on the providers’ server.

Other security improvements in IPFire 2.27 Core Update 168 can be seen below:

  • IPFire now drops any packet that is received on a different interface than it would have been routed back to. This thwarts entire classes of network spoofing attacks, particularly originating from or targeting internal networks.
  • OpenSSH has been updated to 9.0p1, introducing (among other changes) quantum-resistant cryptography. IPFire’s custom OpenSSH configuration has been updated to make use of it. Also, spoofable TCP-based keep-alive messages are no longer sent, preventing MITM attackers to force-keep an established SSH connection opened.
  • As a defense-in-depth measure, various file permissions have been tightened to prevent any unprivileged attacker from reading potentially sensitive configuration on an IPFire installation.

Additionally, the issue with CUPS configuration while creating backups and restoring has been fixed alongside various bugs in CGIs. IPFire 2.27 Core Update 168 updates many packages and add-ons as well.

The developers have released both x86_64 and aarch64 versions for the network and firewall-focused Linux distribution. You can follow the link below to download the suitable one for your device:

Click here to download IPFire 2.27 Core Update 168 ISO

See more Linux News

A comprehensive guide to understanding Linux: What is Linux?


Tags: IPFireLinux Distro
Rusen Gobel

Rusen Gobel

Rusen Gobel is the managing editor of Cloud7. With more than 10 years of experience, Rusen worked as a hardware and software news editor for technology sites such as ShiftDelete, Teknokulis, Hardware Plus, BT Haber. In addition, Rusen publishes consumer product reviews on his YouTube channel. While consumer electronics has been his main focus for years, now Rusen is more interested in WordPress and software development. He had contributed different web application projects in his professional career. Rusen had graduated from Istanbul University, department of Computer Engineering. Rusen has a very high passion for learning and writing for every kind of technology. That's why he has been working as a tech editor for more than ten years on several different technology magazines and online news portals.

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