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DOC: indicate that cookie "prefix" and "indirect" should not be mixed

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When prefix and indirect are used together, a client which connects to
a server with a cookie will never get any cookie update from this server,
which will be removed by the "indirect" option.
This commit is contained in:
Willy Tarreau 2011-10-17 12:24:55 +02:00
parent 08911ff896
commit 37229df9c1
1 changed files with 6 additions and 1 deletions
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7
doc/configuration.txt
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@ -1898,7 +1898,9 @@ cookie <name> [ rewrite | insert | prefix ] [ indirect ] [ nocache ]
requests so that the server still finds the cookie it emitted.
Since all requests and responses are subject to being modified,
this mode requires the HTTP close mode. The "prefix" keyword is
not compatible with "rewrite" and "insert".
not compatible with "rewrite" and "insert". Note: it is highly
recommended not to use "indirect" with "prefix", otherwise server
cookie updates would not be sent to clients.
indirect When this option is specified, no cookie will be emitted to a
client which already has a valid one for the server which has
@ -1907,6 +1909,9 @@ cookie <name> [ rewrite | insert | prefix ] [ indirect ] [ nocache ]
"insert" mode, this will additionally remove cookies from the
requests transmitted to the server, making the persistence
mechanism totally transparent from an application point of view.
Note: it is highly recommended not to use "indirect" with
"prefix", otherwise server cookie updates would not be sent to
clients.
nocache This option is recommended in conjunction with the insert mode
when there is a cache between the client and HAProxy, as it