Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

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wrightnz_34708's avatar
wrightnz_34708
Icon for Nimbostratus rankNimbostratus
Sep 02, 2010

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Hi folks     Couldn't find an appropriate forum name to pose this question ... here goes anyway     Background:   We occasionally have rouge web crawlers generating large amounts of tra...
application delivery
dev
devops
irules
hoolio's avatar
hoolio
Icon for Cirrostratus rankCirrostratus
Oct 07, 2010
Hi,

 

 

Sure, you could do this with an iRule on LTM. If you're on 10.x, you can use the table command to save this info in a session table. For 9.x, you can use a global array.

 

 

You can check the iRule codeshare and table wik page for more info.

 

 

Codeshare

 

http://devcentral.f5.com/wiki/default.aspx/iRules/codeshare

 

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

 

http://devcentral.f5.com/wiki/default.aspx/iRules/Version_9_Throttle_on_Requests_Per_Second.html

 

 

Table command info

 

http://devcentral.f5.com/wiki/default.aspx/iRules/table

 

http://devcentral.f5.com/Default.aspx?tabid=63&articleType=ArticleView&articleId=2375

 

 

Aaron