http://www.perlmonks.org?node_id=725419


in reply to Help reading cookies

Hi,

One way is to have domain wide cookies, so that the cookie is set for domain.com and your servers are like main.domain.com, first.domain.com, etc.

Another technique is Cross Domain Cookies

I would also recommend you to take a look at OpenID

Regards,

fmerges at irc.freenode.net