Re: [Lynx-dev] Lynx doesn't follow 30* redirect if the Location is the same

[Martin Tournoij]

On Thu, Jan 15, 2015, at 23:02, David Woolley wrote:
> On 15/01/15 14:40, Martin Tournoij wrote:
> 
> > If I do a request:
> >
> >    POST /test
> >
> > and this returns a 303 with:
> >
> >      Location /test
> >
> > Lynx decides not to redirect to the new /test URL...
> > If I change either the original request or the Location response to
> > include a query parameter (ie. s=t), Lynx redirects as expected.
> >
> > Is this a bug or a feature? All browsers that I tested properly
> > redirect, except for Lynx and derivatives (Links, ELinks).
> 
> What was the most recent GET?  If the sequence was:
> 
> GET /test
> POST /test
> 303 (Location=/Test)
> 
> This is allowable, in the absence of conflicting cache-control directives.

Yeah, it's this sequence.

I'm not quite sure what you mean with 'conflicting cache-control
directives'?
I've set Cache-Control: no-cache; is this wrong or inadequate?

For reference, here are all headers from a simple test application:

    $ curl -v redirect.arp242.net

    > GET / HTTP/1.1
    > User-Agent: curl/7.39.0
    > Host: redirect.arp242.net
    > Accept: */*
    > 
    < HTTP/1.1 200 OK 
    < Server: nginx/1.6.2
    < Date: Thu, 15 Jan 2015 22:16:27 GMT
    < Content-Type: text/html;charset=utf-8
    < Content-Length: 106
    < Connection: keep-alive
    < Cache-Control: no-cache
    < X-Xss-Protection: 1; mode=block
    < X-Content-Type-Options: nosniff
    < X-Frame-Options: SAMEORIGIN


    $ curl -v  -X POST --data a=b redirect.arp242.net  

    > POST / HTTP/1.1
    > User-Agent: curl/7.39.0
    > Host: redirect.arp242.net
    > Accept: */*
    > Content-Length: 3
    > Content-Type: application/x-www-form-urlencoded
    > 
    * upload completely sent off: 3 out of 3 bytes
    < HTTP/1.1 303 See Other 
    < Server: nginx/1.6.2
    < Date: Thu, 15 Jan 2015 22:18:21 GMT
    < Content-Type: text/html;charset=utf-8
    < Content-Length: 0
    < Location: http://redirect.arp242.net/
    < Connection: keep-alive
    < Cache-Control: no-cache
    < X-Xss-Protection: 1; mode=block
    < X-Content-Type-Options: nosniff
    < X-Frame-Options: SAMEORIGIN


Thanks!
Martin