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Updated Developing Regex in Fail2ban (markdown)

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Alex Garel 2025-02-12 18:55:58 +01:00
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Developing-Regex-in-Fail2ban.md

@ -40,6 +40,8 @@ Date template hits:
```
Note the '`[6]`' output which matches my examples given in the next top-level section below.
Important note: if your date pattern use %b or %B beware of checking you are in the right locale ! (your terminal might set a different locale than the server default). (use `locale -a` and `export LANG=xxx` to fix this).
Pre-Filtering
-------------
After clearing/setting the `prefregex`, test it again and watch for `Pre-filter matched` in your output: