need help with iRule that is using a piece of TCP payload for persistence

Spark, you are right about the connection not being held up.

 

When i skipped first 56 bytes of TCP payload, they were sent to a back-end server as a separate packet.

 

the rest of the data was sent in a separate packet after...

 

this is not how back-end servers expect to receive this data. they are expecting all the data to be sent in one packet..

 

now i'm thinking about catching all the tcp data.

 

the question i have right now - how i extract the data from the exact location within TCP payload?

 

i know that interesting data is located in bytes 57 and 58.

 

How i configure the iRUle to extract that data??? thought the findstr would help me..but having hard time to use it.

 

 

thanks!