- From: Nils Dagsson Moskopp <nils@dieweltistgarnichtso.net>
- Date: Mon, 13 Oct 2014 16:16:04 +0200
- To: Anne van Kesteren <annevk@annevk.nl>, WHATWG <whatwg@whatwg.org>
Anne van Kesteren <annevk@annevk.nl> writes: > Per XMLHttpRequest User-Agent has been off limits for script. Should > we keep it that way for fetch()? Would it be harmful to allow it to be > omitted? > > https://github.com/slightlyoff/ServiceWorker/issues/399 > > A possible attack I can think of would be an firewall situation that > uses the User-Agent header as authentication check for certain > resources. Reporting UA “Mozilla/4.0 (MSIE 6.0';DROP TABLE browsers;--"<u>{!=&})” broke hilariously many sites when I did have set it as my default UA string, even though I think it conforms to RFC 2616, section 14.43. -- Nils Dagsson Moskopp // erlehmann <http://dieweltistgarnichtso.net>
Received on Monday, 13 October 2014 14:16:46 UTC