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varnish-cache
Commit 09b77e3a authored by Per Buer's avatar Per Buer
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backend cookies

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doc/sphinx/tutorial/cookies.rst
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...@@ -13,6 +13,9 @@ This can be overly conservative. A lot of sites use Google Analytics ...@@ -13,6 +13,9 @@ This can be overly conservative. A lot of sites use Google Analytics
cookie is used by the client side javascript and is therefore of no cookie is used by the client side javascript and is therefore of no
interest to the server. interest to the server.
Cookies from the client
~~~~~~~~~~~~~~~~~~~~~~~
For a lot of web application it makes sense to completely disregard the For a lot of web application it makes sense to completely disregard the
cookies unless you are accessing a special part of the web site. This cookies unless you are accessing a special part of the web site. This
VCL snippet in vcl_recv will disregard cookies unless you are VCL snippet in vcl_recv will disregard cookies unless you are
...@@ -63,3 +66,12 @@ cookies named COOKIE1 and COOKIE2 and you can marvel at it:: ...@@ -63,3 +66,12 @@ cookies named COOKIE1 and COOKIE2 and you can marvel at it::
The example is taken from the Varnish Wiki, where you can find other The example is taken from the Varnish Wiki, where you can find other
scary examples of what can be done in VCL. scary examples of what can be done in VCL.
Cookies coming from the backend
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If your backend server sets a cookie using the Set-Cookie header
Varnish will not cache the page. A hit-for-pass object (see
:ref:`tutorial_vcl_fetch_actions`) is created. So, if the backend
server acts silly and sets unwanted cookies just unset the Set-Cookie
header and all should be fine.
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