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Extend the fail2ban instructions with a hint on how to make X-Real-IP… #16446

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9 changes: 9 additions & 0 deletions docs/content/doc/usage/fail2ban-setup.en-us.md
Original file line number Diff line number Diff line change
Expand Up @@ -108,3 +108,12 @@ this to your Nginx configuration so that IPs don't show up as 127.0.0.1:
```
proxy_set_header X-Real-IP $remote_addr;
```

The security options in `app.ini` need to be adjusted to allow the interpretation of the headers
as well as the list of IP addresses and networks that describe trusted proxy servers
(See the [configuration cheat sheet](https://docs.gitea.io/en-us/config-cheat-sheet/#security-security) for more information).

```
REVERSE_PROXY_LIMIT = 1
REVERSE_PROXY_TRUSTED_PROXIES = 127.0.0.1/8 ; 172.17.0.0/16 for the docker default network
```