Monitoring HTTPS

[Frank Thyes]

+++ C. Bensend [Thu, May 18, 2006 at 08:29:30PM CEST]:
> 
> > Is there a possibillity to check the remaining time from an ssl
> > certificate? Dont blame me because i am to lazy to recompile and
> > try. :)
> 
> Yes.

Yes it should be able to do this. From the help:

CHECK CERTIFICATE: check_http www.verisign.com -C 14

When the certificate of 'www.verisign.com' is valid for more than 14
days, a STATE_OK is returned. When the certificate is still valid, but for
less than 14 days, a STATE_WARNING is returned. A STATE_CRITICAL will be
returned when the certificate is expired.

xxxx:/usr/local/src/nagios-plugins-1.4.2/plugins# ./check_http
www.verisign.com -C 14
HTTP OK HTTP/1.1 200 OK - 29788 bytes in 1.565 seconds
|time=1.564926s;;;0.000000 size=29788B;;;0
xxxx:/usr/local/src/nagios-plugins-1.4.2/plugins# ./check_http
www.verisign.com -C 0 
HTTP OK HTTP/1.1 200 OK - 29788 bytes in 0.897 seconds
|time=0.896714s;;;0.000000 size=29788B;;;0
xxxx:/usr/local/src/nagios-plugins-1.4.2/plugins# ./check_http
www.verisign.com -C 10000
HTTP OK HTTP/1.1 200 OK - 29788 bytes in 0.895 seconds
|time=0.895433s;;;0.000000 size=29788B;;;0
xxxx:/usr/local/src/nagios-plugins-1.4.2/plugins# ./check_http
www.verisign.com -C 1000000
HTTP OK HTTP/1.1 200 OK - 29788 bytes in 0.898 seconds
|time=0.897858s;;;0.000000 size=29788B;;;0
xxxx:/usr/local/src/nagios-plugins-1.4.2/plugins# ./check_http
secure.friendscout24.de -C 1000   
HTTP OK HTTP/1.1 200 OK - 47462 bytes in 0.043 seconds
|time=0.043246s;;;0.000000 size=47462B;;;0
xxxx:/usr/local/src/nagios-plugins-1.4.2/plugins# ./check_http
secure.friendscout24.de -C 100000000
HTTP OK HTTP/1.1 200 OK - 47462 bytes in 0.036 seconds
|time=0.036184s;;;0.000000 size=47462B;;;0
xxxx:/usr/local/src/nagios-plugins-1.4.2/plugins# ldd check_http
        libnsl.so.1 => /lib/tls/libnsl.so.1 (0x4001c000)
        libresolv.so.2 => /lib/tls/libresolv.so.2 (0x40030000)
        libssl.so.0.9.7 => /usr/lib/i686/cmov/libssl.so.0.9.7 (0x40043000)
        libcrypto.so.0.9.7 => /usr/lib/i686/cmov/libcrypto.so.0.9.7 (0x40074000)
        libc.so.6 => /lib/tls/libc.so.6 (0x40173000)
        libdl.so.2 => /lib/tls/libdl.so.2 (0x402a8000)
        /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

Am i missing something? Or does verisign believe that they will live
forever?

Frank
-- 
My software never has bugs... it just develops random features...


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