how to check smtps, pop3s, imaps, ldpas withy nrpe ?

Alex Dehaini alexdehaini at gmail.com
Tue Sep 2 12:25:52 CEST 2008


So, check_tcp worked for smtp? but not for ftps?

On Tue, Sep 2, 2008 at 10:15 AM, J. Bakshi <joydeep at infoservices.in> wrote:

> Alex Dehaini wrote:
> > Use check_tcp or check_udp to see if you can connect to these ports
>
> Here is for ftp port
> ~~~~~~~~~~~~~~~
>
> ./check_tcp -H localhost -p 60021
> TCP OK - 0.003 second response time on port 60021
> |time=0.002922s;0.000000;0.000000;0.000000;10.000000
>
> ./check_tcp -H localhost -p 60021 -S
> CRITICAL - Cannot make  SSL connection 15556:error:140770FC:SSL
> routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:478:
>
>
> Here is for smtps
> ~~~~~~~~~~~~~~~
>
> ./check_tcp -H localhost -p 465
> TCP OK - 0.001 second response time on port 465
> |time=0.000886s;0.000000;0.000000;0.000000;10.000000
>
> ./check_tcp -H localhost -p 465 -S
> TCP OK - 0.119 second response time on port 465
> |time=0.118984s;0.000000;0.000000;0.000000;10.000000
>
>
> thanks
> >
> > Lex
> >
> > On Tue, Sep 2, 2008 at 9:42 AM, J. Bakshi <joydeep at infoservices.in
> > <mailto: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>
> >     > <mailto: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>
> >     >     <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> <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>
> >     >     <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>
> >     <http://87.230.8.228> 465
> >     >     Trying 87.230.8.228...
> >     >     Connected to 87.230.8.228 <http://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>
> >     <http://www.alexdehaini.com>
> >     > Email - alexdehaini at gmail.com <mailto:alexdehaini at gmail.com>
> >     <mailto: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 <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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