Problem: Picking up wrong serverhostname withcheck_http

[Dennis Hünseler]

Hi Rob,

try

/usr/local/nagios/libexec/check_http -H relibase.ebi.ac.uk
HTTP OK HTTP/1.1 200 OK - 419 bytes in 0.198 seconds
|time=0.198169s;;;0.000000 size=419B;;;0

kind regards, Dennis

On Thu, 04 Oct 2007 14:30:20 +0100, Robert Hulme <hulme at ebi.ac.uk> wrote:
> I am trying to use the check_http plugin in Nagios 3 to see if
> relibase.ebi.ac.uk is OK.
> 
> When I call it from the command prompt I get this:
> trueman% /usr/local/nagios/libexec/check_http relibase
> HTTP WARNING: HTTP/1.1 404 Not Found
> trueman% /usr/local/nagios/libexec/check_http relibase.ebi.ac.uk
> HTTP WARNING: HTTP/1.1 404 Not Found
> trueman% /usr/local/nagios/libexec/check_http relibase.ebi.ac.uk.
> HTTP WARNING: HTTP/1.1 404 Not Found
> 
> However if I access relibase in Firefox (or with wget) the index page is
> returned normally.
> 
> A little digging later has revealed that there are two relibases:
> 
> trueman% dig relibase
> 
> ; <<>> DiG 9.3.4 <<>> relibase
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 12743
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
> 
> ;; QUESTION SECTION:
> ;relibase.                      IN      A
> 
> ;; Query time: 0 msec
> ;; SERVER: 172.22.2.11#53(172.22.2.11)
> ;; WHEN: Thu Oct  4 14:24:29 2007
> ;; MSG SIZE  rcvd: 26
> 
> trueman% dig relibase.ebi.ac.uk
> 
> ; <<>> DiG 9.3.4 <<>> relibase.ebi.ac.uk
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28374
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
> 
> ;; QUESTION SECTION:
> ;relibase.ebi.ac.uk.            IN      A
> 
> ;; ANSWER SECTION:
> relibase.ebi.ac.uk.     454     IN      CNAME   www4.ebi.ac.uk.
> www4.ebi.ac.uk.         2612    IN      A       193.62.197.14
> 
> ;; Query time: 0 msec
> ;; SERVER: 172.22.2.11#53(172.22.2.11)
> ;; WHEN: Thu Oct  4 14:24:31 2007
> ;; MSG SIZE  rcvd: 71
> 
> Is there a way to force check_http to use the correct one? It seems to
> be resolving the first one rather than the second one.
> 
> If I try to access "http://relibase/" from my desktop I get "The web
> server you are trying to contact has closed down.  For further
> information, please contact support at ebi.ac.uk" which is not what I get
> if I access "http://relibase.ebi.ac.uk/".
> 
> I'm going to try to get the systems deparment here to fix this so that
> both queries, but is there a work around? (other than using www4 or the
> IP directly).
> 
> Thanks
> -Rob
> 
> --
> Think of how stupid the average person is, and realize half of them are
> stupider than that.
> -- George Carlin
> 
> 
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-- 
kind regards,

Dennis H?nseler


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