in security of computer network how can server code our security information when we are wrking in a web page?

please give me some useful information about the effect of servers in security of computer networks.
what kind of program the server send to provide this security and code our security information ?

2 replies
  1. Yadab Das says:

    So, you talking about HTTP.
    HTTP is an application layer protocol (Refer to TCP/IP protocol stack). Now There is no particular specification of HTTP that say about “How to privide security?”. But it is completely dependent on your design , In which layer you want to provide security? If you want to provide in underlying TCP layer then use HTTPS, which is HTTP over TLS/SSL ( http://en.wikipedia.org/wiki/Https ). Anyway current HTTPS implementation uses x.509 certificates for end point authentication and Some cryptographic algorithms for Data integrity and Encryption. You can have your own custom mechanisms for security and can bind it to application layer security..
    Refer to this book for beginar level knowledge:
    Security Engineering : http://www.cl.cam.ac.uk/~rja14/book.html

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