For folks running public rsync-able services, might be an idea to shutter them for a wee bit: https://www.openwall.com/lists/oss-security/2025/01/14/3 (CVE-2024-12084 etc)
```
In the most severe CVE, an attacker only requires
anonymous read access to a rsync server, such as a public mirror, to
execute arbitrary code on the machine the server is running on.
```