Re: brute force/dictionary attacks

[Matthias Scheler <tron%zhadum.org.uk@localhost>]

On Fri, Oct 07, 2011 at 12:43:16PM +0100, Matthias Scheler wrote:
> On Mon, Sep 26, 2011 at 11:30:07AM -0500, Al - Image Hosting Services wrote:
> > I am running NetBSd 4 with UW ipop3d. Anyway, I am getting more and
> > more brute force attacks with pop. What happens is that after inetd
> > reaches the set limit of connections it stops all pop3 requests, so
> > the pop server is effectively down.
> 
> I would strongly recommend to switch to Dovecot ("pkgrsc/mail/dovecot2").
> Besides still maintained it is much faster and has built-in DoS protection
> similar to what Postfix does.

There are even excellent instructions for a migration from UW IMAP:

        http://wiki2.dovecot.org/Migration/UW

I migrated my mail server following these instructions about 10 month
ago and have never regreted it. Dovecot is e.g. much faster than UW IMAP.

        Kind regards

-- 
Matthias Scheler                                  http://zhadum.org.uk/