RSS Feed/News Securing Dovecot Email Server

Status
Not open for further replies.

ENXF NET

Administrator
Staff member
Administrator
Moderator
+Lifetime VIP+
S.V.I.P.S Member
S.V.I.P Member
V.I.P Member
Collaborate
Registered
Joined
Nov 13, 2018
Messages
23,608
Points
823

Reputation:

I'm running a LAMP VPS with AlmaLinux 8 and Apache, and I've installed a mail server using Postfix and Dovecot. Everything works fine for sending and receiving emails. However, I noticed that an intruder can establish a connection to Dovecot (e.g., using openssl s_client -connect mail.domain.com:993) and then brute force the username and password with unlimited attempts within the same live session.

Is there a configuration in Dovecot to terminate the current live session after 3 failed...

Read more

Continue reading...
 
Status
Not open for further replies.
Top