question on the cookies and varnish

[Alexandre Priou]

i just said : thanks for your help !

but i speak chines somewhere

next time , i try your help


On Wed, Mar 28, 2012 at 10:35 PM, James Light <j.gareth.light at gmail.com>wrote:

> On Wed, Mar 28, 2012 at 4:04 PM, Per Buer <perbu at varnish-software.com>wrote:
>
>> On Wed, Mar 28, 2012 at 8:25 PM, James Light <j.gareth.light at gmail.com>wrote:
>>
>>> What you asked was how to remove every *other* cookie *except* PHPSESSID.
>>>
>>> There is an example of how to do that on the  varnish site here:
>>> https://www.varnish-cache.org/docs/3.0/tutorial/cookies.html
>>>
>>> Personally, I prefer a different way, which amounts to:
>>>    * extract the PHPSESSID into a different header
>>>    * unset the entire Cookie Header
>>>    * add back only the PHPSESSID as the Cookie header
>>>
>>
>>
>> Thats quite a neat way to do it. Could you send me the VCL for this? It
>> might be a good example for the docs. The current example is rather horrid.
>>
>>
>> --
>> Per Buer
>> Phone: +47 21 98 92 61 / Mobile: +47 958 39 117 / Skype: per.buer
>> *Varnish makes websites fly!*
>> Whitepapers <http://www.varnish-software.com/whitepapers> | Video<http://www.youtube.com/watch?v=x7t2Sp174eI> |
>> Twitter <https://twitter.com/varnishsoftware>
>>
>>
>>
> I've adapted this off the cuff from what I have internally currently where
> I'm working. I have not done extensive testing on this as it is simply an
> adaptation of what I actually do in our vcl code. Let me know any problems
> that I have overlooked.
>
> This attempts to match a PHPSESSID that is one or more ASCII alphanumeric
> character. I'm not a PHP developer, I just asked the PHP guy if I can
> always expect that the PHPSESSID will consist of only alphanumerics and he
> said yes it will.
>
> This will not work for a cookie that has a string that contains characters
> that are not ASCII alphanumerics. I'm not sure if rfc2616 has any
> restrictions on the Character Encoding for Cookies, so I can't guarantee
> that this will work in all cases and I currently don't have the time to
> look into the spec to make sure that what I'm giving doesn't totally suck.
>
> Basically, I'm just posting this here because you asked me to, I don't
> claim to be an expert in anything except persistence.
>
> --------8<--------
> sub vcl_recv {
>
>         # save the original cookie header so we can mangle it
>         set req.http.X-Varnish-PHP_SID = req.http.Cookie;
>
>         # using a capturing sub pattern, extract the continuous string of
> alphanumerics that immediately follows "PHPSESSID="
>         set req.http.X-Varnish-PHP_SID =
> regsuball(req.http.X-Varnish-PHP_SID, ";? ?PHPSESSID=([a-zA-Z0-9]+)( |;|
> ;).*","\1");
>
>         set req.http.Cookie = req.X-Varnish-PHP_SID;
>
>         remove req.X-Varnish-PHP_SID;
>
> }
> --------8<--------
>
> Hope this helps.
>      -jlight
>
>
> _______________________________________________
> varnish-misc mailing list
> varnish-misc at varnish-cache.org
> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>



-- 
Alexandre Priou
Analyste Concepteur Web
64 rue de l'Essonne
91000 Évry
tel_perso : 06.14.83.81.03
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://www.varnish-cache.org/lists/pipermail/varnish-misc/attachments/20120328/e40f2cd4/attachment-0001.html>