I cannot disable telnet right now (some access points do not have an SSH
clients available). All the security updates have been installed. And I
currently use IPChains for a basic firewall. How safe am I?
-Bill Herman
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, January 17, 2000 4:57 PM
Subject: Re: System Access Attempts
> On Mon, 17 Jan 2000, William B. Herman wrote:
>
> > It seems that I have people who are trying to telnet into my machine.
They
> > seem to be either changing their ISP or spoofing their IP address.
There is
> > no reason these addresses should be telneting into our machine. My
guess is
> > they are trying brute force to gain access. What is the best way to
protect
> > our system against such an attack?
> >
> > -Bill Herman
> > Technology Chairman
> > Pi Kappa Alpha - Gamma Tau Chapter
> > [EMAIL PROTECTED]
> > [EMAIL PROTECTED]
> >
>
> The short answer, disable telnet and use ssh instead. Install all RedHat
> security updates. Read the firewall HOWTO (see /usr/doc/HOWTO).
>
>
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