Update README.md

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rootTHC
2020-01-24 15:10:53 +00:00
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@@ -130,7 +130,7 @@ $ nmap -thc
<a id="atc-anchor"></a>
**3.iii. Alert on new TCP connections**
Make a *bing*-noise (ascii BEL) when anyone tries to SSH to/from our system (could be an admin!).
Make a *bing*-noise (ascii BEL) when anyone tries to SSH to/from the target system (could be an admin!).
```
# tcpdump -nlq "tcp[13] == 2 and dst port 22" | while read x; do echo "${x}"; echo -en \\a; done