ACE Cookie Persistence

Unanswered Question
Sep 22nd, 2010
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Hi All,


I have an issue on the ACE that is doing SSL offload to a server farm and using cookies for stickyness.


The issue is I am trying to establish what value i need to enter when trying to dynamically learn cookies in the server response?


I understand that cookie insertion is an option but is not currently being used.


I have checked the syntax

sticky http-cookie


name1 name2



Where name1 is the value that needs to be matched, how do i find out this value?


Your help would be much appreciated.


Kris

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litrenta Wed, 09/22/2010 - 05:31
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  • Cisco Employee,

You need to find out from the application developer what the name of the cookie

is. The server responds with a set-cookie header with name

=value . We need to find out from the server what cookie name we want to stick on.

kris-andrews Fri, 09/24/2010 - 01:19
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Thanks litrenta,


So on further investigation i have been told the value to match is sessionid, apparently there are different values depending on the application. So in this instance if the application is microsoft is there a certain sessionid value to be matched?


I'm still a little confused as to what needs to be entered, this isn't something that i have come accross before.


Kris

Gilles Dufour Fri, 09/24/2010 - 05:13
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  • Cisco Employee,

Kris,


that a sniffer trace of the traffic going to the server.

Then check the server response for a line which looks like : set-cookie:  name=value.


This means the server will always use the cookie "name" and a different "Value" for each client.

So you configure ACE to look for hte "name" and it will learn the "value" automatically.


If you really do not understand http cookies, you could simply use the "sticky cookie insert" feature.

ACE will do everything for you automatically.


Gilles.

arthurlove Mon, 09/27/2010 - 23:27
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..or you could use

http-fox with firefox - this will show you the cookies being served out.

you may also have to use parameter-map type [eg] http MAP_NAME

case-insensitive


but over all life is simpler using the cookie insert feature

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