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jlb4350's avatar
jlb4350
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Oct 23, 2023

Block outbound connections via DNS rather than server_connected

I have an iRule that calls on a datagroup to block outbound traffic from my office to certain countries. The iRule is working, but I am using iRule event "server_connected" and when that occurs it ju...
devops
jlb4350's avatar
jlb4350
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Oct 23, 2023

Interesting. Thank you for that suggestion. So just replace SERVER_CONNECTED with LB_SELECTED in the iRule? Could you elaborate some on what LB_SELECTED does? The page is quite vague about how it works...

Thanks again for your help.

Niels_van_Sluis's avatar
Niels_van_Sluis
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Oct 23, 2023

In the LB_SELECTED event you can get information about which pool member is selected and take some action on it. In this event you can evaluate the results of LB::server. You can use this to replace IP::server_addr in your current iRule. See the first iRule example in the article below.

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