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Answer: Cookie based authentication: Is it secure?

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Q&A > CGI programming > Cookie based authentication: Is it secure? - Answer contributed by sinan

There is something you can do to insure security. Everytime a user logs on, generate a random number, put it on the user's machine as a cookie.
print "Set-Cookie: temp-id=$random_no; domain=yourdomain.com; expires= +".($now+3600);
At the same time, write the same $random_no to a DB on your server, as well as the user's username. So, you can now identify the user using a temporary id.

Hope this helps,

Sinan

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