F5 is upgrading its customer support chat feature on My.F5.com. Chat support will be unavailable from 6am-10am PST on 1/20/26. Refer to K000159584 for details.

Forum Discussion

furkansed's avatar
furkansed
Icon for Nimbostratus rankNimbostratus
Nov 23, 2022

rate limit based on http error codes-source ip

I'm looking for an irule to rate limit http response error codes coming from same client . What we want to create is a check where a client that is coming is is checked . If he gets a 500 error code...
application delivery
security
F5_Design_Engineer's avatar
F5_Design_Engineer
Icon for MVP rankMVP
Nov 23, 2022

Hi furkansed ,

 

Use the table command to limit HTTP requests as one is to create a single table entry that has as key the client IP address and the value is increased each time the user connects to the VIP

 

https://clouddocs.f5.com/api/irules/table.html

https://clouddocs.f5.com/training/community/irules/html/class2/module1/lab2.html

This is blocking the source IP address for some time but if we want rate limit then the next example is better.

https://community.f5.com/t5/technical-forum/f5-irule-table-command-rate-limit-or-block-http-requests-in-two/td-p/294027
https://community.f5.com/t5/technical-articles/advanced-irules-tables/ta-p/290369

 

HTH