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Update index.md #7211

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10 changes: 2 additions & 8 deletions ...guides/security/basics/using-fail2ban-to-secure-your-server-a-tutorial/index.md
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Expand Up @@ -483,13 +483,7 @@ The best way to understand how failregex works is to write one. Although we do n
<HOST> - - \[(\d{2})/\w{3}/\d{4}:
```

1. The next sequence is a series of two-digit numbers that make up the time. Because we defined the day of the month as a two-digit number in a capture group (the parentheses), we can backreference it using `\1` (since it is the *first* capture group). Again, the colons are literals:

```command
<HOST> - - \[(\d{2})/\w{3}/\d{4}:\1:\1:\1
```

If you do not want to use backreferences this can also be written as:
1. The next sequence is a series of two-digit numbers that make up the time. Again, the colons are literals:

```command
<HOST> - - \[\d{2}/\w{3}/\d{4}:\d{2}:\d{2}:\d{2}
Expand Down Expand Up @@ -617,4 +611,4 @@ CentOS 7 and Fedora additionally require two extra commands to be fully stopped

```command
systemctl disable --now fail2ban
```
```