Re: [TCLUG:16949] Sendmail/Linux Help

["Bob Nolte" <bob.nolte@pc4u.com>]

Has anybody tried PMFirewall from www.pointman.org.
Petreley from LinuxWorld recommends it.

Bob Nolte

----- Original Message -----
From: "Eric F Crist" <mnslinky@eua.tzo.org>
To: <tclug-list@mn-linux.org>
Sent: Sunday, April 30, 2000 8:49 PM
Subject: [TCLUG:16949] Sendmail/Linux Help


> Hey,
>
> My web server got hacked on Thursday.  I had to do a complete reinstall
due to
> the fact that shadow/password and init files were deleted.
>
> Since I reinstalled linux, sendmail doesn't recognize any users.
> I can send mail from localhost to any users, but I can't send mail to
> myemail@<myhost.com>, as I get errors 550 (Relaying not allowed) and 551
> (Unknown user)
>
> The other problem:
>
> Ever since I installed linux, new users show up unexpectedly.  For
example,
> It's like someone is going into my server and creating accounts with names
like
> reboot, system (UID 0, GRP 0), and other accounts that look legit, but I
know
> they're not (Caldera, by default, enters Caldera OpenLinux User in the
Name
> field, Unless you change it manually).
>
> Can someone please help me?
>
> I don't understand ipchains, and I need help setting up as a gateway.
>
> I also need to know how to setup sendmail so that it'll accept the correct
> accounts (note: it won't even accept mail for root, postmaster, and
> MAILER-DAEMON)
>
> If you would like to see the error message, send an email to
> ecrist@ardent-hacker.net. (This is the account I am logged in as usually)
>
> Thanks
>
> Eric F Crist
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tclug-list-unsubscribe@mn-linux.org
> For additional commands, e-mail: tclug-list-help@mn-linux.org
>