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Answer: Cookie set to IP number?

by mt2k (Hermit)
on Apr 16, 2002 at 03:07 UTC ( #159399=categorized answer: print w/replies, xml ) Need Help??

Q&A > CGI programming > Cookie set to IP number? - Answer contributed by mt2k

You *can* set a cookie to an IP address.
You just cannot wildcard it! So while -domain=>'.' is invalid, -domain=>'' is not
(get rid of the period before the first set of numbers).

This has got to be allowed for one reason: what of servers that are located on a machine without a domain?
You have to be able to set cookies somehow!
Also, the only way to specify "subdomains" of an IP address is through port numbers.
It is apparently possible using HTTP::Cookie or the Set-Cookie2 header, but I have been unable to restrict a cookie to a specific port :(

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