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Forum Discussion

Xylene_UK_11374's avatar
Xylene_UK_11374
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Jul 20, 2011

pyloris help to block using LTM / iRules only

Looking for information about mitigating attacks made by PyLoris, a similar tool to Slowloris. Do the irule suggestions on the F5 site for mitigating Slowloris apply to this tool as well? If not,...
security
Xylene_UK_11374's avatar
Xylene_UK_11374
Icon for Nimbostratus rankNimbostratus
Jul 20, 2011

 

PyLoris is SlowLoris rewritten in Python to provide a couple of tweaks. Essentially, any setup that causes the BigIP to read data from the client before it opens a connection to a pool member, and times out idle/slow connections in a reasonable time then both CLowLoris and PyLoris are defeated.

 

 

The existing iRules specified in Solution 10260 will mitigate this attack for LTM.