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Cheshire Cat Computing • View topic - updown.cgi - always show "down" status

Cheshire Cat Computing

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It is currently Sat Sep 26, 2020 5:10 am

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PostPosted: Tue Dec 22, 2009 5:00 am 
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Joined: Tue Dec 22, 2009 4:41 am
Posts: 1
W2k3; Perl 5.10.1 (GD,CGI,Win32-PingICMP installed);IIS6 (.cgi=C:\Perl\bin\perl.exe "%s" %s; GET,HEAD,POST)

content of updown.html:

"<IMG src=/cgi-bin/updown.cgi?host=10.12.0.9>"

When I try to run this script with one accessible machine (Succesfully ping IP from command line of this machine) always got red picture with "down" text. Script "think" about 3 seconds, than show me down status. I am try to capture ICMP packets while I clicking to page by "windump -i %eth0% -n host 10.12.0.9" but no packets are captured for this host.

Is there any way to debug if script itself work? Seems like script with IIS work correctly (show status picture) but the cgi, perl and/or network layer cooperation does not did their job properly. Again, I can ping the host 10.12.0.9 sucesfully by windows ping command from this machine. Any ideas??

L.


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PostPosted: Tue Dec 22, 2009 9:11 am 
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Joined: Tue Jul 29, 2003 11:42 am
Posts: 3039
Location: Auckland, New Zealand
The updown.cgi script uses a ping to determine state; sometimes this requires a higher level of system access that is given to the web server and so it fails. In the script are options to allow you to use a ICMP, UDP or TCP ping depending on your system, possibly this is the issue? Let me know what OS you are using, and try to run the CGI as a non-admin user and see if it works,also check your web server's error logs for any clues

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Steve Shipway
UNIX Systems, ITSS, University of Auckland, NZ
Woe unto them that rise up early in the morning... -- Isaiah 5:11


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