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Add UDP buffer note

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thespad 2025-07-18 20:57:01 +01:00
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readme-vars.yml
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@ -147,6 +147,8 @@ app_setup_block: |
You should also uncomment the `Alt-Svc` header in your `ssl.conf` so that browsers are aware that you offer QUIC connectivity.
It is [recommended](https://quic-go.net/docs/quic/optimizations/#udp-buffer-sizes) to increase the UDP send/recieve buffer **on the host** by setting the `net.core.rmem_max` and `net.core.wmem_max` sysctls. Suggested values are between 4-16Mb (4194304-16777216 bytes). For persistence between reboots use `/etc/sysctl.d/`.
### Migration from the old `linuxserver/letsencrypt` image
Please follow the instructions [on this blog post](https://www.linuxserver.io/blog/2020-08-21-introducing-swag#migrate).