On Mar 15, 2011, at 6:56 PM, Russ Tyndall wrote:

> 
> On Mar 15, 2011, at 4:48 PM, TR Shaw wrote:
> 
>> Look at your config file. You don't need to scan all more than probably 
>> 200KB of a file.
> 
> So you are suggesting I use the MaxScanSize directive to limit scans to the 
> first 200KB of each file?  (i.e., add a line to clamd.conf: MaxScanSize 
> 200KB).
> 
> I imagine that would speed things up nicely....  :-)
> 

Yes. Pick a size you feel comfy with but I believe there are few signatures 
that span large file sizes.  You might want to override this once a week to 
check large zip/gz files but in general this should be good.  Let me know how 
it helps.

> 
>> If you're using google; don't. It will help for email but probably will not 
>> help finding badness on a file server. Likewise with unofficials. Not all 
>> unofficials are appropriate for your application.
> 
> Sorry, Tom, I don't have the knowledge to understand this.

If you haven't enabled this in your config or added other sigs then just ignore 
me here ;-)

> 
>> 
>> Lastly when you complied you clamd what compiler options did you pick?
> 
> I updated the bzip-related libraries and made sure I was using GCC 3.3.
> 
> LDFLAGS="-O3 -L/opt/local/lib"
> 
> ./configure --prefix=/usr/local --mandir=/usr/local/share/man 
> --sysconfdir=/private/etc/spam/clamav/new --enable-bigstack 
> --with-user=clamav --enable-static --with-group=clamav 
> --with-dbdir=/var/clamav --datadir=/var/clamav
> 
> Then, make and install.
> 

That's probably as good as you can do for now.  If you can get a 10.5 lics then 
do it as 10.5 fixes some low level process switch slowdowns that were in Tiger. 
 It isn't a panacea but it should help a bit also.

Tom

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