AW: Cannot map "tcp" to protocol number

Jason Signalness jason at btiadmin.net
Mon Nov 1 15:33:58 CET 2004


Hello again,

Thanks for the tip.  Unfortunately, I don't see any reference to the 
protocols file when I do an strace on an execution of check_httpd.  The 
only problems I see opening files are attempts to open a file called 
/etc/ld.so.preload and a file called /etc/ldap.secret.

Andreas suggested that, at this point, I rebuild my glibc libraries.  
That sounds rather risky, and I haven't noticed any other problems on 
this system.  I'm not convinced this is a Nagios problem, but isn't 
messing with glibc risky on a production system?

-Jason

Helmut W. Januschka wrote:

>Try it with strace to see if the plugin uses the right file and/or get's permission errors
>
>-helmut
>
>-----Ursprüngliche Nachricht-----
>Von: Jason Signalness [mailto:jason at btiadmin.net] 
>Gesendet: Freitag, 29. Oktober 2004 18:59
>An: nagios-users at lists.sourceforge.net
>Betreff: [Nagios-users] Cannot map "tcp" to protocol number
>
>
>Hello,
>
>I'm new to Nagios - just investigating it as a replacement for Big 
>Brother, which suddenly got expensive.
>
>The problem I have is with check_http and some of the other plugins.  
>When I run the check_http command manually (or other check_* commands) I 
>get the "Cannot map tcp to protocol number" error.
>
>Here's what I mean:
>
>[nagios at netmon1 libexec]$ ./check_http -I 216.235.160.97
>Cannot map "tcp" to protocol number
>Unable to open TCP socket
>
>My system is a Red Hat box on Intel, if that helps.  The check_http 
>binary is finding all of its libraries (based on output of ldd).
>
>I haven't had much luck with the list archives, manuals, or FAQs for 
>this particular problem.
>
>Thanks,
>Jason
>
>
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>



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