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Gadi,

On 12/30/11 4:35 AM, Gadi Katsovich wrote:
> I am using Tomcat 5.5.30 and am affected by the hashtable collision
> DoS vulnerability.

Just wondering: are you actually under attack, or are you just saying
that you are vulnerable?

I would venture a guess that most sites are currently vulnerable, as
7.0.23 as a somewhat recent release (and has a nasty bug which is
easily corrected with trivial configuration) and 6.0.34 was never
released. 5.5.x does not yet have a release version that includes the fix.

Something you can do in the meantime is to limit the max POST size to
something less than the default (which is 2MiB)... maybe 100KiB or
whatever will meet your webapp's requirements.

- -chris
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