Internet Explorer 11 won’t set cookies on a site
IE 11 does not like a domain value in the cookie. Leave it empty. Wrong for IE 11: Set-Cookie: kohanasession=foobar; expires=Tue, 09-Apr-2016 01:01:01 GMT; path=/; domain=tc.mk; httponly Correct for IE 11: Set-Cookie: kohanasession=foobar; expires=Tue, 09-Apr-2016 01:01:01 GMT; path=/; httponly