how to check smtps, pop3s, imaps, ldpas withy nrpe ?
Alex Dehaini
alexdehaini at gmail.com
Tue Sep 2 12:15:43 CEST 2008
Use check_tcp or check_udp to see if you can connect to these ports
Lex
On Tue, Sep 2, 2008 at 9:42 AM, J. Bakshi <joydeep at infoservices.in> wrote:
> 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/
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
--
Alex Dehaini
Developer
Site - www.alexdehaini.com
Email - alexdehaini at gmail.com
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