Request.ClientCertificate.Subject Does not request data all the time?

Request.ClientCertificate.Subject Does not request data all the time?

References

Reference NO 1

http://stackoverflow.com/questions/13645299/request-clientcertificate-subject-does-not-request-data-all-the-time

Reference NO 2

http://stackoverflow.com/questions/13648138/blocking-all-http-requests-if-digital-certificate-is-not-present

Reference NO 3

http://www.piclist.com/techref/language/asp/OBJ/ref_vbom_reqoccc.htm

Reference NO 4

http://www.zytrax.com/tech/survival/ssl.html

Reference NO 5

http://www.asp.net/web-api/overview/security/working-with-ssl-in-web-api

Reference NO 6

http://technet.microsoft.com/en-us/library/cc783349(v=ws.10).aspx

Reference NO 7

http://technet.microsoft.com/en-us/library/cc776447(v=ws.10).aspx

Reference NO 8

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