topic Re: Cannot Telnet in Operating System - HP-UX

Cannot Telnet

Mamidela — Fri, 12 Oct 2007 02:39:16 GMT

Hi,
I can ping to my server but cannot telnet to/from the server. Verified /etc/services and telnet is enabled.

Appreciate your help in resolving the issue.

Thanks,
J

Re: Cannot Telnet

whiteknight — Fri, 12 Oct 2007 02:48:06 GMT

hi J

check
# ps -ef |grep inetd
root 857 1 0 Oct 10 ? 0:05 /usr/sbin/inetd
root 20489 20472 1 15:29:56 pts/ta 0:00 grep inetd

# telnet 0
Trying...
Connected to 0.
Escape character is '^]'.
Local flow control on
Telnet TERMINAL-SPEED option ON

HP-UX pluto B.11.11 U 9000/800 (tb)

login:

For a start troubleshooting

WK

Re: Cannot Telnet

Luk Vandenbussche — Fri, 12 Oct 2007 03:07:15 GMT

Do you have this entry in /etc/inetd.conf

telnet stream tcp nowait root /usr/lbin/telnetd telnetd

Re: Cannot Telnet

Steven E. Protter — Fri, 12 Oct 2007 06:12:21 GMT

Shalom,

check /etc/inetd.conf

netstat -an | grep 23
netstat -an | grep 22

See if they are listening. If not its time to configure the daemons.

SEP

Re: Cannot Telnet

Steven Schweda — Fri, 12 Oct 2007 09:25:18 GMT

As usual, it might help to see actual
commands and actual results.

Have you tried Telnetting from the HP-UX
system to itself? To 127.0.0.1? What
happens when you do?

Re: Cannot Telnet

Steven Schweda — Fri, 12 Oct 2007 09:58:52 GMT

Which OS are you running, by the way?

http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=1168646

Re: Cannot Telnet

Mamidela — Mon, 15 Oct 2007 02:15:45 GMT

I just Installed HP-UX 11iV3 in rp3440 server.

Entry in
#/etc/inetd.conf

telnet streat tcp6 nowait root /usr/lbin/telnetd

---------

entry in
#/etc/services

telnet 23/tcp # Virtual Terminal Protocol
---------
entry in
#/etc/nsswitch.conf
hosts: files [NOTFOUND=continue UNAVAIL=continue] dns [NOTFOUND=return UNAVAIL=continue TRYAGAIN=return]
networks: files nis
protocols: files
rpc: files nis
publickey: files
netgroup: nis
automount: files nis
aliases: files nis
services: files nis
ipnodes: files [NOTFOUND=continue] dns

-----------
Tried to telnet 127.0.0.1 again got unknown service.

inetd daemon is running

is it a firewall problem?? Is there a way to disable firewal??

Do you think I'm missing any patches??

Re: Cannot Telnet

SKSingh_1 — Mon, 15 Oct 2007 03:28:31 GMT

Hi,

have a look here in your reply:

Entry in
#/etc/inetd.conf

telnet streat tcp6 nowait root /usr/lbin/telnetd

this needs to be:
telnet stream tcp6 nowait root /usr/lbin/telnetd

after changing "streat" to "stream" run "inetd -c"

and then check via "netstat -a|grep 23"
or "netstat -a|grep -i telnet"

Re: Cannot Telnet

Mamidela — Mon, 15 Oct 2007 04:41:09 GMT

Hi all,
I want to close the thread.My problem is been solved by configuring /etc/nsswitch.conf file. Actually the file was missing.

Thanks all. Thanks for your support.

Re: Cannot Telnet

Mamidela — Mon, 15 Oct 2007 04:43:08 GMT

Hi all,
I want to close the thread.My problem is been solved by configuring /etc/nsswitch.conf file. Actually the file was missing.

Thanks all. Thanks for your support.