Is HttpOnly necessary when SSL is already set?

StackOverflow https://stackoverflow.com/questions/8611871

  •  27-03-2021
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Question

If I already set SSL for my application server, do I still need to set HttpOnly for the cookies?

Was it helpful?

Solution

Yes. The two flags have nothing to do with each other (both are security/privacy options, though)

  • "Secure" means that the cookie will only be sent over encrypted connections

  • "HttpOnly" means that the cookie will not be visible to Javascript

You could still have XSS on an HTTPS page, for example (and then an evil script could eat your cookie).

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