Quantcast
Channel: Plesk Forum
Viewing all articles
Browse latest Browse all 45749

SMTP Firewall - is it possible to block brutforce attacks?

$
0
0
Hello

In my logs a see random trials to connect to my mail server. Entries like this

Dec 16 11:24:49 my.pleskdomain.com postfix/smtpd[276348]: warning: unknown[185.196.10.158]: SASL LOGIN authentication failed: authentication failure, sasl_username=center

While I am using Fail2Ban. It's still very annoying to see such attacks over and over again. I thought, that I could geoblock it with the SMTP Firewall Settings.

1734345159781.png
I set this to "Allow from selected sources, deny from...

Read more

Viewing all articles
Browse latest Browse all 45749

Trending Articles



<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>