how to check smtps, pop3s, imaps, ldpas withy nrpe ?
J. Bakshi
joydeep at infoservices.in
Tue Sep 2 11:42:49 CEST 2008
Alex Dehaini wrote:
> Your smtp server and your ftp server, are they different from your pop
> and imap server?
>
> Your imaps and pop3s are connected locally i.e. on the nagios server
> if I am correct? Your ftp and smtp are not. Is this correct?
>
Hi Alex,
My ftp (vsftpd with ssl support), postfix, Cyrus all are in the same
server where nrpe is running.
thanks
> Lex
>
> On Tue, Sep 2, 2008 at 9:26 AM, J. Bakshi <joydeep at infoservices.in
> <mailto:joydeep at infoservices.in>> wrote:
>
> Arno Lehmann wrote:
> > 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 192.168.1.2
> <http://192.168.1.2> -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
> >>> balrog.privat.lehleute.de <http://balrog.privat.lehleute.de>
> 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
> >
>
> Dear Arno and Alex,
>
> thanks a lot for your kind guidance.
>
> Arno, I have also checked with IP but no success.
>
> Here is some more feedback which you can find interesting
>
> #### IMAPS successful ##########
>
> /usr/lib/nagios/plugins/check_imap -H localhost -p 993 -S -w 5 -c
> 8 -t 10
> IMAP OK - 0.099 second response time on port 993 [* OK Cyrus IMAP4
> v2.2.12 server ready]
> |time=0.098621s;5.000000;8.000000;0.000000;10.000000
>
> ######## POP3S successful ##########
> /usr/lib/nagios/plugins/check_pop -H localhost -p 995 -w 5 -c 8
> -t 10 -S
> POP OK - 0.101 second response time on port 995 [+OK lvps872308228.
> Cyrus POP3 v2.2.12 server ready
> <4156316096.1220347347 at lvps872308228.dedicated.hosteurope.de
> <http://228.dedicated.hosteurope.de>>]
> |time=0.101278s;5.000000;8.000000;0.000000;10.000000
>
> ######## SMTPS failed but telnet successful #########
>
> /usr/lib/nagios/plugins/check_smtp -H <replaced by my server IP>
> -p
> 465 -w 5 -c 8 -t 10 -S
> CRITICAL - Socket timeout after 10 seconds
>
> telnet 87.230.8.228 <http://87.230.8.228> 465
> Trying 87.230.8.228...
> Connected to 87.230.8.228 <http://87.230.8.228>.
> Escape character is '^]'.
>
> quit
> quit
> Connection closed by foreign host.
>
>
> ####### FTPS failed but successful by telnet ###############33
>
> /usr/lib/nagios/plugins/check_ftp -H <replaced by my server IP> -p
> 60021 -w 5 -c 8 -t 10 -S
> CRITICAL - Cannot make SSL connection 30050:error:140770FC:SSL
> routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:478:
>
> telnet localhost 60021
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> 220 *******This server is configured by Jatasankar*******
>
> 530 Please login with USER and PASS.
>
> 530 Please login with USER and PASS.
> quit
> 221 Goodbye.
> Connection closed by foreign host.
>
>
> Any clue ?
> thanks
>
>
>
>
> >
> >> with many thanks
> >>
> >>
> >>> Arno
> >>>
> >>>
> >>>> thanks
> >>>>
> >>>>
> >>>>
> >>
> >
> >
>
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Joydeep Bakshi, Linux System Admin
> Kolkatainfoservices Pvt Ltd,
> 23A Royd Street, Kolkata 700016, India
> Work Phone 91 033 40014784
> http://infoservices.in/
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
>
> --
> Alex Dehaini
> Developer
> Site - www.alexdehaini.com <http://www.alexdehaini.com>
> Email - alexdehaini at gmail.com <mailto:alexdehaini at gmail.com>
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Joydeep Bakshi, Linux System Admin
Kolkatainfoservices Pvt Ltd,
23A Royd Street, Kolkata 700016, India
Work Phone 91 033 40014784
http://infoservices.in/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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