<div dir="ltr">Connect to the host locally and telnet on each of the ports that are opened. Verify if you have a firewall running that are filtering access to the machine in anyway. telnet localhost 25 - if that works Connect another machine to the same switch and telnet ip.addr.xx.xx 25 and see if you can connect If these work, there is no reason why nagios plugins shouldn't work Regards, Lex <div class="gmail_quote"> On Tue, Sep 2, 2008 at 9:00 AM, Arno Lehmann <<a href="mailto:al@its-lehmann.de">al@its-lehmann.de</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Hello, please respond to the list. 02.09.2008 10:44, J. Bakshi wrote: > Arno Lehmann wrote: >> Hi, >> >> 02.09.2008 09:37, J. Bakshi wrote: >>> Dear list, >>> >>> I have installed >>> >>> nagios-nrpe 2.0 >>> nagios-plugins 1.4 >>> nagios-plugins-extras 1.4 >>> >>> How can I check smtps, ldaps, pop3s, imaps with nrpe ? >>> the default check_smtp ; check_imap etc can't check the SSL version of >>> the services. >> Mine can; call them with -h for help and read the output. I usually >> use the -S swich plus, as needed, -p for the target port. >> >> Example output: >> $ /usr/local/nagios3/libexec/check_imap -H <a href="http://192.168.1.2" target="_blank">192.168.1.2</a> -S -p 993 -D 12 >> OK - Certificate will expire on 04/27/2009 21:13. >> IMAP OK - 0.060 second response time on port 993 [* OK IMAP4 Ready >> <a href="http://balrog.privat.lehleute.de" target="_blank">balrog.privat.lehleute.de</a> 0001b1a4]|time=0.059891s;;;0.000000;10.000000 >> > > Hi Arno, > > first of all thanks for your kind response. I have also found the "-S" > option but the story is different here and it is > negative :-( > > here is the nmap output which proves the required port are open It does not actually prove the services are listening on localhost, and that access is not filtered, for example by hosts files. > PORT STATE SERVICE > 25/tcp open smtp > 80/tcp open http > 143/tcp open imap > 389/tcp open ldap > 443/tcp open https > 465/tcp open smtps > 993/tcp open imaps > 995/tcp open pop3s > 1234/tcp open hotline > 2000/tcp open callbook > 3306/tcp open mysql > > more important I can use the SSL enabled services, like pop3s , smtps etc... > > If I check with check_smtp I get the following > > /usr/lib/nagios/plugins/check_smtp -H localhost -p 465 -S -v > CRITICAL - Socket timeout after 10 seconds Check with the ip address that is usually used - it's quite possible the service is not bound to localhost. > And here is the check fir ftp :-( > > /usr/lib/nagios/plugins/check_ftp -H localhost -p 60021 -S -v > CRITICAL - Cannot make SSL connection 13948:error:140770FC:SSL > routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:478: > > Plese note I am practically using ftps, smtps, pop3s > > I have no clue really. > Hope you can enlighten me to point out my mistake. Try what I suggested... that's what I'd do now. Arno > with many thanks > >> Arno >> >>> thanks >>> >>> > > -- Arno Lehmann IT-Service Lehmann Sandstr. 6, 49080 Osnabrück <a href="http://www.its-lehmann.de" target="_blank">www.its-lehmann.de</a> ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world <a href="http://moblin-contest.org/redirect.php?banner_id=100&url=/" target="_blank">http://moblin-contest.org/redirect.php?banner_id=100&url=/</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div> -- Alex Dehaini Developer Site - <a href="http://www.alexdehaini.com">www.alexdehaini.com</a> Email - <a href="mailto:alexdehaini@gmail.com">alexdehaini@gmail.com</a> </div>