Linux Networking News Archives
BPF-Based Linux Firewall "bpfilter" Shows Impressive Performance Potential

Generating much excitement back in 2018 was bpfilter for the potential to better Linux's firewall and packet filtering by making it more robust and performance. Recently work on this BPF-based firewall solution was renewed and the performance potential over iptables and nftables is looking very good for the future.

23 September 2021 - bpfilter - 18 Comments
Netfilter Releases Nftables 1.0

The Netfilter project has announced the release of Nftables 1.0.0 for their user-space code for interfacing with the Linux kernel's Nftables subsystem for network filtering and classification.

19 August 2021 - Nftables 1.0 - 38 Comments
ExpressVPN Opens Up Its Lightway VPN Protocol

Last year major VPN provider ExpressVPN announced "Lightway" as their new virtual private network protocol designed for speed, stability, and reliability. ExpressVPN announced today they are now making the protocol open-source.

10 August 2021 - Open-Source Lightway - 14 Comments
Samsung Revs Its In-Kernel SMB3 Server Focused On Fast Performance, New Features

While Samba is well known for SMB/CIFS server support on Linux and other platforms for supporting Microsoft's SMB networking protocol for file and print services, Samba is implemented in user-space while Samsung has been pursuing an SMB server implemented in kernel-space for better performance and wiring up new features that can be more easily accomplished within the kernel.

5 August 2021 - KSMBD - 34 Comments
WireGuard Sees Native, High-Performance Port To The Windows Kernel

The excellent WireGuard open-source secure VPN tunnel has been seeing growing adoption on Linux now that it's been in the mainline kernel for a while and also seeing continued progress on the BSDs. While there has been beta WireGuard for Windows in user-space, "WireGuardNT" was announced today as a native high-performance port to the Windows kernel.

2 August 2021 - WireGuardNT - 13 Comments
Linux 5.15 Adding Management Component Transport Protocol (MCTP)

Linux 5.15 is positioned now to see a Management Component Transport Protocol (MCTP) implementation with the code now queued in net-next with this being a protocol for communication between management controllers and managed devices.

1 August 2021 - Management Component Transport Protocol - 1 Comment
Firewalld 1.0 Released With Big Improvements

Firewalld was started by Red Hat a decade ago for managing Linux firewall functionality with Netfilter. Ten and a half years after the first release, Firewalld 1.0 was released this afternoon.

22 July 2021 - firewalld 1.0 - 79 Comments
The Big Set Of Networking Changes For Linux 5.14

Given the dominance of Linux-based devices from embedded/mobile (Android) through data centers and Linux powering all sorts of equipment, the networking subsystem updates for new Linux kernel merge windows continues to be very lively with new hardware support and never-ending improvements and new features.

30 June 2021 - Linux 5.14 Networking - Add A Comment
Linux 5.13 To Address Some Networking Overhead Caused By Retpolines

It's been three years that Retpolines (return trampolines) have been around as part of the Spectre defenses on Linux and kernel developers in particular are still working to better optimize different areas of their code to deal with the performance overhead incurred.

21 March 2021 - Return Trampolines - 3 Comments
The Linux Kernel Looks To Eventually Drop Support For WiMAX

With the WiMAX 802.16 standard not being widely used outside of the Aeronautical Mobile Airport Communication System (AeroMACS) and usage in some developing nations, the Linux kernel may end up dropping its support for WiMAX but first there is a proposal to demote it to staging while seeing if any users remain.

28 October 2020 - Linux + WiMAX - 5 Comments

195 Linux Networking news articles published on Phoronix.