In the FAQ, you say that the old database format will be discontinued at the end of 2003, is this really the case ? We'd really like to continue using it if we can.
The old databases will be available for some time yet.
Thanks, might be worth changing the FAQ ?
Is there an easy way to convert the new database format to the old database format, so that we can continue to use it ?
sigtool --unpack file.cvd
We should use this - thanks.
Remember that on daily basis we only update the daily.cvd database which is very small. Our mirrors successfuly handle thousands of updates per day so your customers may download the databases directly from database.clamav.net.
Yes, but when you roll that daily into the main database, everybody has to do a full download. This is expensive. With "rsync" you only ever download diffs, and even those are LZ compressed. At the end of the day this is the way the commercial AV vendors do things and is much more scalable.
With "rsync" a null update - i.e. check that nothing has change in "viruses.db" or "viruses.db2" costs 386 bytes in a single TCP connection - not bad eh ?
Here's my list of hourly updates for the 6th & 7th :-
Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 495 bytes read 1717 bytes 1474.67 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 513 bytes read 7290 bytes 5202.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 651 bytes read 549 bytes 480.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 6 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 651 bytes read 1042 bytes 677.20 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec Dec 7 wrote 663 bytes read 1710 bytes 1582.00 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 70.18 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 257.33 bytes/sec Dec 7 wrote 101 bytes read 285 bytes 772.00 bytes/sec
If you prefer your own mirror it SHOULD check the digital signatures because the number of our mirrors is still growing and digital signatures is the only way to guarantee database security.
This is true and you are right, we should. I will look into using this to update our server, but because our users use a secure login they shouldn't need the signature, so long as we are ensure the mirror is correct.
Because our customers pay us extra for the Virus, Spam and Porn filtering (for e-mail and web), we felt it only fair that we should pay for the bandwidth that provides them with updates. Note, the charge includes support and a (commercial) web management interface, not just the service itself.
James
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