Using nagios check_http for webbasedauthentication

[Venugopal S]

Hi Marc,



This is my command in commands.cfg :



define command{

        command_name    check_http

        command_line    $USER1$/check_http -I $HOSTADDRESS$


        }



I executed the following command :



./check_http -I 199.107.237.196 -H  ww12.1800flowers.com -u /signin.do
-p 80 -P "email=svenugopaal at gmail.com&password=podhum" -s "welcome venu"



and it threw



HTTP CRITICAL - string not found|time=0.080070s;;;0.000000
size=38300B;;;0



Any idea why ?



FYI : the password has been changed and now is not "podhum".



Thanks

Venu



-----Original Message-----
From: Marc Powell [mailto:marc at ena.com]
Sent: Thursday, January 22, 2009 8:46 PM
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Using nagios check_http for
webbasedauthentication





On Jan 22, 2009, at 7:55 AM, Venugopal S wrote:



>

> Hi Marc,

>

> Thanks for the reply. I am even now vague about how to proceed.

>

> Let me tell you the need :

>

> I have to open http://ww12.1800flowers.com/signin.do and enter my

> email(svenugopaal at gmail.com) and password("podhum") in order to login.



Looking at the source of the page, the sign-in form has the following 

pertinent fields --



            <input type="text" name="email" maxlength="100" value=""
style="width:

120px" class="textfield">

            <input type="password" name="password" maxlength="64"
value="" 

style="width:120px" class="textfield">




The field names that would be passed as the POST are 'email' and 

'password'. Now, I don't know what command{} definitions you have for 

check_http or how they're configured so I'll show you how to create a 

new one very specific to this test --



define command {

            command_name                       check_flowers_login

            command_line              $USER1$/check_http -I
$HOSTADDRESS$ -H 

ww12.1800flowers.com -u /signin.do -P 

"email=svenugopaal at gmail.com&password=podhum"

}



Set that as the check_command for a service associated with the host 

and nagios will verify that the web server does not return an HTTP 

error after login. Note that if your server returns a standard 200 

response indicating OK even if there is a login error (most likely), 

you'll want to identify a word or string of text that should appear in 

the page after successful login, but not for a failure, and look for 

that with the -s parameter --



define command {

            command_name                       check_flowers_login

            command_line              $USER1$/check_http -I
$HOSTADDRESS$ -H 

ww12.1800flowers.com -u /signin.do -P 

"email=svenugopaal at gmail.com&password=podhum" -s "you are logged in"

}



> Though this looks like a lot of hand holding, I have no other go.



My charge is 1 local specialty beer for all Hand Holding Help.



--

Marc





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