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Forum Discussion

yang_128295's avatar
yang_128295
Historic F5 Account
Sep 20, 2005

DNS(UDP) hostname filter

Hi     bigip load balance caching DNS servers in ISP.   I made an irule which block DNS query packets which has pre-defined URL list.   (eg. bigip block DNS query which ask IP address of "...
application delivery
dev
devops
iRules
krelm_52303's avatar
krelm_52303
Icon for Nimbostratus rankNimbostratus
Feb 25, 2009
Oooops, didn't read the wiki properly. The DNS_Request event is only available on a GTM, not LTM.

 

 

So, back to the drawing board. Any ideas gladly received.