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v11.1: DNS Blackhole with iRules

Back in October, I attended a Security B-Sides event in Jefferson City (review here). One of the presenters (@bethayoung) talked about poisoning the internal DNS intentionally for known purveyors of ...
Updated Mar 16, 2022
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JRahm's avatar
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Christ Follower, Husband, Father, Technologist. I love community and I especially love THIS community. My background is networking, but I've dabbled in all the F5 iStuff, I'm a recovering Perl guy, and am very much a python enthusiast. Learning alongside all of you in this accelerating industry toward modern apps and architectures.
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JRahm's avatar
Icon for Admin rankAdmin
Christ Follower, Husband, Father, Technologist. I love community and I especially love THIS community. My background is networking, but I've dabbled in all the F5 iStuff, I'm a recovering Perl guy, and am very much a python enthusiast. Learning alongside all of you in this accelerating industry toward modern apps and architectures.
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Jay_Shankar_Sin's avatar
Jay_Shankar_Sin
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Feb 23, 2016
Hi, I've used this blackhole iRule, sometimes it blocked the genuine page as well, and i changed few option like instead of ends_with, used eq or contains, then i saw CPU usage is very high. If possible, can we modify the iRule that control the CPU usage and it work properly. Thanks.....Jay