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RE: [hobbit] Testing external web through a proxy



Hi Ralph

This script works a treat.

Thanks
    Vernon

________________________________
From: Ralph Mitchell [mailto:ralphmitchell (at) gmail.com]
Sent: Saturday, 22 November 2008 12:23 AM
To: hobbit (at) hswn.dk
Subject: Re: [hobbit] Testing external web through a proxy

Looks like your proxy requires authentication via Kerberos or NTLM or GSS-Negotiate.  Dunno if Xymon can do those.  Luckily the curl tool (httpp://curl.haxx.se<http://curl.haxx.se>) *can* do those...  I haven't had to use them, but it should not be too hard to bang out an ext script to do the check.  Something along these lines:

     #!/bin/sh
     curl -x http://ourproxy.ourdomain.com:8080 \
           --proxy-anyauth -U hobbituser:hobbitpassword \
           -s -S -L -o /dev/null http://www.google.com/
     if [ "$?" -eq "0" ]; then
       COLOR=green
       MESSAGE="Pinged Google OK"
     else
       COLOR=RED
       MESSAGE="Failed to reach Google"
     fi
     $BB $BBDISP "status www,google,com.home $COLOR `date`
$MESSAGE"

Obviously that can be expanded quite a lot...  :)  Drop it somewhere on your Xymon server (maybe in server/ext) and set up a block in server/etc/hobbitlaunch.cfg to fire it off as often as you want.  You may need to give the full path for curl, which is probably /usr/bin/curl.

Ralph Mitchell


On Fri, Nov 21, 2008 at 1:30 AM, Everett, Vernon <Vernon.Everett (at) woodside.com.au<mailto:Vernon.Everett (at) woodside.com.au>> wrote:
Hi all

I am trying to test our interent connectivity by checking Google through our proxy.
(Once I get this right, I want to start testing some of our external web pages in the same manner)

I have configured this in bb-hosts
0.0.0.0<http://0.0.0.0>         www.google.com<http://www.google.com>          # noconn http://hobbituser:hobbitpassword (at) ourproxy.ourdomain.com:8080/http://www.google.com

And I get this.
yellow<http://hobbit/hobbit/gifs/yellow.gif> http://www.google.com.au/ - Proxy Authentication Required

HTTP/1.1 407 Proxy Authentication Required ( The ISA Server requires authorization to fulfill the request. Access to the Web Proxy filter is denied.  )
Via: 1.1 PXYHOSTNAME
Proxy-Authenticate: Negotiate
Proxy-Authenticate: Kerberos
Proxy-Authenticate: NTLM
Connection: Keep-Alive
Proxy-Connection: Keep-Alive
Pragma: no-cache
Cache-Control: no-cache
Content-Type: text/html
Content-Length: 4118

Seconds:     0.02

Any assistance appreciated.

Regards
    Vernon


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