[lug] Beginner Question

John Hernandez John.Hernandez at noaa.gov
Fri Aug 3 10:42:55 MDT 2001

Sean Reifschneider wrote:
> On Thu, Aug 02, 2001 at 09:11:10PM -0600, dan radom wrote:
> >try disable = no in /etc/xinetd.d/telnet (or something like that).
> >then killall -HUP xinetd.
> xinetd doesn't respond to HUP as you expect, it causes it to simply dump
> state.  <sigh>  To get it to respond to changes in the config file, you can
> use signal USR2, or use the command "service xinetd restart".
> >you shouldn't allow telnet access from the
> >internet really.  take a look at ssh, which ships with RH 7.
> telnet is a fine program.  Supremely useful.  You can use it to test SMTP
> relays, check POP and IMAP servers, view headers of web pages...  Now
> telnetd on the other hand should die a quick and painful death.

I would argue that telnetd is also extremely useful -- lightweight, ubiquitous.  Granted, in many cases, sshd is preferable, however both programs have limitations and if improperly used can both result in security problems.

> Sean
> --
>  If you talk to God, you are praying; if God talks to you, you have
>  schizophrenia.  -- Thomas Szasz
> Sean Reifschneider, Inimitably Superfluous <jafo at tummy.com>
> tummy.com - Linux Consulting since 1995. Qmail, KRUD, Firewalls, Python
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