Re: [Mod-security-developers] Hyperscan

[Felipe C. <FC...@tr...>]

Hi,


On 4/5/16, 1:53 AM, "Christian Folini" <chr...@ne...> wrote:

>It seems to come with the following string attached:
>
>> If you need features (e.g. sub-expression capture) or pattern
>> constructs
>> (e.g. back-references or arbitrary look around asserts) you may not be
>> able to use Hyperscan (although we do have a pre-filter mode that can
>> optimize some cases).
>
>-> http://scanmail.trustwave.com/?c=4062&d=_8SD17SSFxcGTyITZx90bheVWxEf38or3BaqDWrOIQ&s=5&u=https%3a%2f%2f01%2eorg%2fhyperscan%2fblogs%2fgeofflangdale%2f2015%2fwelcome-hyperscan
>
>Is not that a blocker?


It is not clear to me if this is a blocker. I don't think so. Are you concerned
about the sub-expression capture?


It is also not clear if it will really improve the performance, as our content
is usually very small. I guess it is not so hard to test.


Br.,
Felipe “Zimmerle” Costa
Security Researcher, Lead Developer ModSecurity.

Trustwave | SMART SECURITY ON DEMAND
www.trustwave.com <http://www.trustwave.com/>








>

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