# Flint 3 - 4.8.4 - Tailscale Breaks LAN Internet Access Due to GL VPN Kill Switch Blackhole Rules

**URL:** <https://forum.gl-inet.com/t/flint-3-4-8-4-tailscale-breaks-lan-internet-access-due-to-gl-vpn-kill-switch-blackhole-rules/68294>\
**Category:** VPN, DNS, Leaks\
**Created:** [April 22, 2026, 8:05pm UTC](https://forum.gl-inet.com/t/flint-3-4-8-4-tailscale-breaks-lan-internet-access-due-to-gl-vpn-kill-switch-blackhole-rules/68294 "2026-04-22T20:05:30Z")\
**Posts on this page:** 1\
**Showing post:** 19

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**Author:** ![will.qiu](https://forum-assets.gl-inet.com/letter_avatar_proxy/v4/letter/w/b38774/32.png) [@will.qiu](https://forum.gl-inet.com/u/will.qiu)\
**Post date:** [May 11, 2026, 1:42am UTC](https://forum.gl-inet.com/t/flint-3-4-8-4-tailscale-breaks-lan-internet-access-due-to-gl-vpn-kill-switch-blackhole-rules/68294/19 "2026-05-11T01:42:03Z")

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The development team has submitted another PR to Admon’s repository to fully fix this issue, and we have verified that it is now working properly.

Please try updating to the latest version of Tailscale again using Admon’s script and see whether the issue is resolved.

> [@Script: Update Tailscale on (nearly) all devices](https://forum.gl-inet.com/t/script-update-tailscale-on-nearly-all-devices/37582/473):
>
> Thanks, double checked it's working: root@GL-AXT1800:/tmp# tailscale --version 1.96.4-tiny.by.admon.1266 tailscale commit: 41cb72f27119f95b859335f3ffc3434d6ca55e23-dirty long version: 1.96.4-t41cb72f27-tiny.by.admon.1266 go version: go1.26.3 root@GL-AXT1800:/tmp# root@GL-AXT1800:/tmp# nft list table ip mangle table ip mangle { chain PREROUTING { type filter hook prerouting priority mangle; policy accept; ct state established,related ct mark & 0x00…

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_[View the full topic](https://forum.gl-inet.com/t/flint-3-4-8-4-tailscale-breaks-lan-internet-access-due-to-gl-vpn-kill-switch-blackhole-rules/68294)._