ipv6

I flipped one Windows network setting and my YouTube videos stopped buffering — but the fix is a trade-off that deserves a clear-headed look at what's actually happening under the hood and when you should (or should not) apply it. Background If you've ever watched a 1080p YouTube video buffer on...

A careless protocol flip inside an eBPF helper can crash a Linux host: CVE-2025-38192 is a kernel networking bug that occurs when a NAT46 BPF program changes an skb's protocol from IPv4 to IPv6 without clearing the associated destination (dst) pointer, producing a NULL pointer dereference and a...

A small, surgical change to the Linux kernel’s iBFT iSCSI sysfs exporter has been recorded as CVE-2025-21993: a fix that prevents a UBSAN (Undefined Behavior Sanitizer) shift-out-of-bounds warning in the function that exposes iBFT NIC attributes to userspace. While the patch is tiny — a single...

The Linux kernel fix for CVE-2024-44986 addresses a real, low-level IPv6 use‑after‑free (UAF) condition in ip6_finish_output2(), but Microsoft’s MSRC wording about Azure Linux being “the product that includes the open‑source library and is therefore potentially affected” is a product‑scoped...

A recently disclosed Linux kernel vulnerability, tracked as CVE-2025-40158, affects the IPv6 transmit path: a race-condition/RCU misuse in the ip6_output / ip6_finish_output2 code that can lead to a possible use‑after‑free (UAF) when the kernel reads the destination device pointer; the upstream...

A new Linux-kernel vulnerability tracked as CVE-2025-40135 has been closed upstream by adding Read‑Copy‑Update (RCU) protection to the IPv6 transmit path: the ip6_xmit code now uses RCU-aware device access (dst_dev_rcu to avoid a possible use‑after‑free (UAF) that could otherwise trigger kernel...

For privacy-conscious Windows users, encrypting DNS in Windows 11 is one of those rare, high-impact, low-effort settings that delivers real protection with almost no downside — and it’s now easier to enable system‑wide than most people realize. The recent How‑To Geek walkthrough frames the...

Wine’s bi-weekly development stream delivered another incremental but meaningful update this week with the release of Wine 10.14, bringing an upgraded graphics stack, an updated Mono engine, networking improvements, CI infrastructure changes, and a tranche of pragmatic bug fixes that will matter...

CISA has added a critical Citrix NetScaler vulnerability — CVE-2025-7775 — to its Known Exploited Vulnerabilities (KEV) Catalog after evidence of active exploitation, prompting an urgent patch-and-verify cycle for NetScaler ADC and NetScaler Gateway operators worldwide. Background CVE-2025-7775...

Windows can report “No Internet access” while web pages and apps continue to load — a confusing UI mismatch that’s usually harmless but can mask real network problems and make troubleshooting harder. A recent Guiding Tech how‑to lays out the common quick fixes and three deeper repairs —...

Windows network administrators know that the smooth operation of their infrastructure often hinges on robust and flexible IP address management. The Dynamic Host Configuration Protocol (DHCP) is the critical service tasked with assigning and managing these IP configurations, including not just...

For countless Windows users, understanding how devices communicate across a local network is a foundational tech skill, yet many remain unaware of the simplest way to check their local IP address—a key tidbit needed for troubleshooting, router setup, or secure remote desktop connections. Knowing...

For millions embracing the Windows 11 24H2 update, excitement around new features and security enhancements quickly soured into frustration for many users when a perplexing issue surfaced: their network computers and devices vanished from File Explorer’s “Network” view. This problem, especially...

Have you ever unraveled the mystery behind that little string of numbers connecting your devices to the vast vortex of the internet? Ah, the TCP/IP settings—a digital passport that determines how your Windows machine communicates on the network stage! Whether you're troubleshooting connectivity...

Hi all We found event 131 on our server and need to know what IP is this The server accepted a new UDP connection from client [fe80::dd00:3db6:d3a9:593b%5]:58699.

I have win10 on a machine on our home lan. the lan functions perfectly for 5 other machines on it. Also for that machine most of the time. but sometimes it will boot with no connection - though 'connections available' and sometimes even with 'no connections found' where the previous night it...

Hi Experts , Windows server 2012r2 server is not resolving IPV6 address from local host file . There is no DNS entry for IPV6 and hence I added IPV6 address for my tool server in C:\windows\system32\drivers\etc\host file . But server failed to resolve the name . Server is still able to resolve...

Hello Windows Insiders, Today we are shipping an update for Windows Subsystem for Android™ on Windows 11 to all Windows Insider channels (U.S. only). This update (version 2205.40000.14.0) includes several new updates as well as routine improvements to the platform and reliability. What’s New...

I would like to setup IPv6 support for my local network as my ISP has IPv6 support. They provide a /64 network, but when I use a linux router I can request another prefix in the /60 network range. I was able to create a linux router doing this. However, I have been unable to get RRA services...

Hello everyone, I have a Windows Server 2019 as primary controller and a domain called "neopolis.natal". When i want join a Windows 10 in domain, i receive that error message: "The Specified Domain Either Does Not Exist or Could Not Be Contacted" I already disable firewall and IPV6. I...