lazymc/docs/protocol-version.md
2021-11-22 13:37:21 +01:00

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# Protocol version
The Minecraft protocol uses a version number to distinguish between different
protocol versions. Each new Minecraft version having a change in its protocol
gets a new protocol version.
## List of versions
- https://wiki.vg/Protocol_version_numbers#Versions_after_the_Netty_rewrite
## Configuration
In `lazymc` you may configure what protocol version to use:
[`lazymc.toml`](../res/lazymc.toml):
```bash
# -- snip --
[public]
# Server version & protocol hint.
# Sent to clients until actual server version is known.
# See: https://git.io/J1Fvx
version = "1.17.1"
protocol = 756
# -- snip --
```
It is highly recommended to set these to match that of your server version to
allow the best compatibility with clients.
- Set `public.protocol` to the number matching that of your server version
(see [this](#list-of-versions) list)
- Set `public.version` to any string you like. Shows up in read in clients that
have an incompatibel protocol version number
These are used as hint. `lazymc` will automatically use the protocol version of
your Minecraft server once it has started at least once.