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On 23 Jan 2009 at 6:10, Grant wrote: |
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> >> My website seems a bit slower since I enabled grsecurity on that |
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> >> system. Is that typical? Is it most likely due to MPROTECT, or |
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> >> something else? |
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> > |
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> > can you quantify this slowdown? and what grsec/pax features did you enable? |
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> |
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> I enabled the grsecurity "Gentoo (server)" profile in the hardened |
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> kernel. |
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ok, is PAGEEXEC enabled (and SEGMEXEC isn't) and is your cpu some P4 variant |
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without NX support? that's about the only situation where you should see an |
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observable slowdown, otherwise i doubt you can percieve a few % without |
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actual measurements. so if neither is your case, it's definitely worth an |
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investigation. |
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