check_smtp issues

[Julie S. Lin]

Hi All

it turned out to be a simple firewall issue.  the new mailserver was not 
allowed
to "respond" to the nagios checks.  what are the ports used by 
check_smtp ? 
i'm using whatever version of check_smtp  came with the install of 
nagios 1.2

J


Alex Dehaini wrote:

> Do a manual telnet on port 25 from the nagios server to the mail 
> server in connect and see if you can connect.
>
> On Jan 18, 2008 5:38 AM, Julie S. Lin <jlin at myvest.com 
> <mailto:jlin at myvest.com>> wrote:
>
>     Hi All
>
>     Sorry for the incomplete info, I do know better, really.  Pls forgive.
>
>     Anyways, below is the result I get when I manually run check_smtp
>     from my plugins directory.  This is on a redhat es4 machine
>     running 1.2
>     nagios
>     (yes, very outdated I know).
>
>     [root at xxx plugins]# ./check_smtp mail.xxx.com <http://mail.xxx.com>
>     Socket timeout after 10 seconds
>     [root at xxx plugins]# ./check_smtp mail.yyy.com <http://mail.yyy.com>
>     SMTP OK - 0 second response time
>
>     * so check_smtp fails on one mail server but not the other
>     mail.xxx.com <http://mail.xxx.com> is behind the same firewall as
>     the nagios server
>     but on a different network....
>     mail.yyy.com <http://mail.yyy.com> is on another network outside
>     of the firewall
>     is there anything I should know about having nagios check_smtp
>     server within
>     a firewall??
>
>     And of course, mail is working just fine.
>     > mail -v jlin at mail.xxx.com <mailto:jlin at mail.xxx.com>
>     Subject: foo
>     .
>     EOT
>     Null message body; hope that's ok
>     jlin at mail.xxx.com... Connecting to mail.xxx.com
>     <http://mail.xxx.com>. via esmtp...
>     220 xxx.com <http://xxx.com> ESMTP
>     >>> EHLO anywhere.com <http://anywhere.com>
>     250-xxx.com <http://250-xxx.com> Ok.
>     250-AUTH PLAIN LOGIN CRAM-MD5
>     250-AUTH=PLAIN LOGIN CRAM-MD5 X-NETSCAPE-HAS-BUGS
>     250-STARTTLS
>     250-XVERP=Courier
>     250-XEXDATA
>     250-XSECURITY=NONE,STARTTLS
>     250-PIPELINING
>     250-8BITMIME
>     250-SIZE
>     250 DSN
>     >>> STARTTLS
>     220 Ok
>     >>> EHLO anywhere.com <http://anywhere.com>
>     250-xxx.com <http://250-xxx.com> Ok.
>     250-AUTH PLAIN LOGIN CRAM-MD5
>     250-AUTH=PLAIN LOGIN CRAM-MD5 X-NETSCAPE-HAS-BUGS
>     250-XVERP=Courier
>     250-XEXDATA
>     250-XSECURITY=NONE,STARTTLS
>     250-PIPELINING
>     250-8BITMIME
>     250-SIZE
>     250 DSN
>     >>> MAIL From:<jsl at anywhere.com <mailto:jsl at anywhere.com>> SIZE=48
>     250 Ok.
>     >>> RCPT To:< jlin at mail.xxx.com <mailto:jlin at mail.xxx.com>>
>     250 Ok.
>     >>> DATA
>     354 Ok.
>     >>> .
>     250 Ok. 47903A17.00003806
>     jlin at mail.xxx.com... Sent (Ok. 47903A17.00003806)
>     Closing connection to mail.xxx.com <http://mail.xxx.com>.
>     >>> QUIT
>     221 Bye.
>
>     -----Original Message-----
>     From: nagios-users-bounces at lists.sourceforge.net
>     <mailto:nagios-users-bounces at lists.sourceforge.net>
>     [mailto:nagios-users-bounces at lists.sourceforge.net
>     <mailto:nagios-users-bounces at lists.sourceforge.net>] On Behalf Of
>     Marc Powell
>     Sent: Thursday, January 17, 2008 7:33 PM
>     To: nagios-users at lists.sourceforge.net
>     <mailto:nagios-users at lists.sourceforge.net>
>     Subject: Re: [Nagios-users] check_smtp issues
>
>
>
>     > -----Original Message-----
>     > From: nagios-users-bounces at lists.sourceforge.net
>     <mailto:nagios-users-bounces at lists.sourceforge.net>
>     [mailto:nagios-users- <mailto:nagios-users->
>     > bounces at lists.sourceforge.net
>     <mailto:bounces at lists.sourceforge.net>] On Behalf Of Julie S. Lin
>     > Sent: Thursday, January 17, 2008 6:36 PM
>     > To: nagios-users at lists.sourceforge.net
>     <mailto:nagios-users at lists.sourceforge.net>
>     > Subject: [Nagios-users] check_smtp issues
>     >
>     > Hi
>     >
>     > I just added a new mail server and am having trouble getting
>     check_smtp
>     > to check it properly.  This mail server is on a different
>     network than
>     > my nagios server
>     > HOWEVER, I can telnet to the standard ports ( 25 and 993 just fine)
>     >
>     > check_smtp to another mail server on yet another network works.
>
>
>     You should tell us what the problem is. Be very specific. We can't
>     help
>     if we don't know and we aren't going to guess.
>
>     --
>     Marc
>
>
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>     ::: Please include Nagios version, plugin version (-v) and OS when
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>     ::: Please include Nagios version, plugin version (-v) and OS when
>     reporting any issue.
>     ::: Messages without supporting info will risk being sent to /dev/null
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>
>
>
> -- 
> Alex Dehaini
> Developer
> Site - www.alexdehaini.com <http://www.alexdehaini.com>
> Email - alexdehaini at gmail.com <mailto:alexdehaini at gmail.com> 



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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
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