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MichaelMa_61351's avatar
MichaelMa_61351
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May 02, 2011

Block Referer in Shared F5

Hello,   We are using shared F5 appliance which service other www sites as well as ours. I would like to know, if it is possible by iRules or by other means in F5 to block a list of HTTP requests ...
application delivery
dev
devops
iRules
Michael_Yates's avatar
Michael_Yates
Icon for Nimbostratus rankNimbostratus
May 03, 2011
If that is a concern (it is awesome that you are thinking efficiency and ability), then I would say....Test It.

 

 

There is no hard limit or soft limit to what each model of F5 can do. It all depends on how you are using it and everything else that is running on it. For you situation I would suggest looking at the following:

 

 

Timing - Teaches you how to measure different parts of an iRule (Processing Time)

 

http://devcentral.f5.com/wiki/default.aspx/iRules/timing.html

 

 

Overview of how to translate iRule Timing to CPU Cycles (they are different for each model and device, so you have to personalize it):

 

http://devcentral.f5.com/Community/GroupDetails/tabid/1082223/asg/50/aft/3650/showtab/groupforums/Default.aspx

 

 

iRule Optimization 101 Article:

 

http://devcentral.f5.com/Default.aspx?tabid=63&articleType=ArticleView&articleId=123