On Thu, 17 Jun 2004 21:40:36 -0800, John Andersen <[EMAIL PROTECTED]> wrote:
>On Thursday 17 June 2004 03:32, Christopher Sharp wrote:
>
>> Figures to date indicate it's NOT a drop in detection rates, but
>> instead has all the hallmarks of someone having produced a spam package
>> that actually manages to avoid all SpamNet/Razor algorithms.
>
>Razor does not have detection "algorithms" as such but relies on matching
>spam previously reported to razor by someone prior to your getting it.
>So if those reporting spam are less active, or if razor has network issues
>then spam gets thru.
OK, I'll bite...
To quote the Razor readme:
"Detection is done with statistical and randomized signatures that
efficiently spot mutating spam content."
Razor as a database naturally does not contain any detection algorithms. The
clients, namely razor-agents, do this. The database simply stores the hashed
signatures for determined spam. Naturally it's more complicated than that once
you add in TeS, revocations etc.
Ultimately anything contributing signatures to the Razor database must apply
sufficiently similar algorithms for the database to be of any value to the
client. That means at the very least generating and submitting VR1, VR2 and VR4
hashes/signatures. I'm not up to speed on the current situation with Nilsimsa
signatures so won't comment on VR3.
With the greatest respect, are you being a pedant or did I not make my point
clearly enough?
>Don't know about SpamNet.
The SpamNet client "does everything", ergo it generates and submits signatures
as instructed.
Regards,
C.
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