Re: [Zope2] Multiline response headers causing problems for proxies.
Laurence Rowe <[email protected]>
| Newsgroups | gmane.comp.web.zope.devel |
|---|---|
| Message-ID | <[email protected]> |
On 18 April 2011 17:01, Laurence Rowe <[email protected]> wrote: > When using response.appendHeader, Zope appends the new value following > an ",\r\n\t" which splits the header over multiple lines. While this > behaviour is standards compliant, it causes problems for both Varnish > [1] and Nginx [2] which may then mangle the header value. > > In fact the HTTP 1.0 spec notes that splitting over multiple lines in > not recommended [3], though the HTTP 1.1 spec does not mention this > explicitly, though it does say [4]: > "Applications ought to follow "common form", where one is known or > indicated, when generating HTTP constructs, since there might exist > some implementations that fail to accept anything" > > Are there any objections to me applying the attached patch to Zope > 2.13 and trunk? > > Laurence > > [1] http://www.varnish-cache.org/trac/ticket/905 > [2] http://nginx.org/pipermail/nginx-devel/2011-April/000859.html > [3] http://tools.ietf.org/html/rfc1945#section-4.2 > [4] http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html > I've now applied this to 2.13 and trunk. If it causes any problems, let me know. Laurence _______________________________________________ Zope-Dev maillist - [email protected] https://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - https://mail.zope.org/mailman/listinfo/zope-announce https://mail.zope.org/mailman/listinfo/zope )