Rick Cooper wrote: > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of > > Chuck Swiger > > Sent: Sunday, September 09, 2007 10:42 AM > > To: ClamAV users ML > > Subject: Re: [Clamav-users] speeding up clamav > > > > Mohsen Pahlevanzadeh wrote: > > > Dear all, > > > How can i speed up clamav scanning? > > > > The most straightforward method would be to buy faster hardware. > > > > A more complex approach would be to have a better > > understanding of your email > > traffic and only send stuff to ClamAV after you've done your > > best to refuse > > spammy/viral messages using less costly mechanisms such as > > greylisting, RBLs, > > or things like Amavisd-new & similar (bogofilter, > > policy-weightd, etc) before > > feeding the email to more expensive filters such as virus > > scanning or > > SpamAssassin. > > > > Note that you're getting a somewhat generic answer, but then > > you didn't > > provide any sort of context such as which MTA you are using, > > what your traffic > > volume per hour/day tends to be, etc. > > > [...] > > Might be a fairly generic question. Clamav is very slow when compared to > most competion, for instance f-prot. Scanning a 15mg file same machine, same > file, and pretty much the same load, simple .exe, basic options: > > Three tests each, worse times for f-prot and avgscan, BEST times for > clamscan and clamdscan: > > F-prot > > real 0m2.534s > user 0m1.460s > sys 0m0.330s > > Clamscan > > real 0m22.302s > user 0m18.970s > sys 0m0.570s > > Clamdscan > > real 0m4.690s > user 0m2.290s > sys 0m0.260s > > Avgscan > > real 0m4.690s > user 0m2.290s > sys 0m0.260s > > Now granted, not likely to scan 15mg email attachments but I also scan ftp > and http downloads and cannot use clam for either because if someone > downloads a 50mg file it takes forever, f-prot is still measured in seconds. >
You left out a metric that has an impact on my business: F-PROT Antivirus for Solaris Mail Servers Number of Users Annual license fee 1-10 US$ 130 11-24 US$ 250 25-49 US$ 399 50-99 US$ 499 100-199 US$ 799 200-299 US$ 1099 dp _______________________________________________ Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net http://lurker.clamav.net/list/clamav-users.html