[HPADM] SUMMARIZE: telnet problem

From: dv0r4k (dv0r4k@gmail.com)
Date: Sun May 29 2005 - 20:33:52 EDT


Thanks to Bill Hassell. I would put a 9 if this is itrc :).

EF

On 5/29/05, Bill Hassell <bill@billhassell.com> wrote:
> No. telnet is an unsecured protocol, just like rlogin, remsh and rexec
> so all of these tools must perform a reverse lookup of the IP address
> to prevent problems with attackers.
>
> Now if you're having problems getting DNS updated, this is the most
> important security measure you have on your network. It is often
> relegated to admins that do not want the job or the maintenance
> tools are simply archaic and need to be upgraded.
>
> You can work around the problem with DNS by editing /etc/nsswitch.conf
> and replace the line that starts with hosts: to look like this:
>
> hosts: files [NOTFOUND=continue UNAVAIL=continue] dns
>
> Now put any new IP addresses in /etc/hosts and your system will login
> quickly.
>
> --
> Bill Hassell

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