Using DNS TXT records is great when they work, but a bandwidth disaster when they don't.
I don't think Cloudflare per se is the problem -- I think having different computers serving the DNS vs the big files is the problem. Back in the old days of ClamAV, they probably were the same computers. On Tue, 3 Jul 2018 13:36:22 -0400 (EDT) "Christopher X. Candreva" <ch...@westnet.com> wrote: > > > For everyone (or maybe the one) asking why the DNS system exists, as > the person who came up with the idea in the first place (or the idea > of stealing it from the DNSbls ) I thought I would provide a link to > the original discussion in which is was hashed out ( beaten to death) > back in 2004: > > https://lists.gt.net/clamav/users/11106?do=post_view_threaded > > I thought the math was in this thread, but at some point the actual > savings of being able to check for a new version with a UDP packet > over a TCP/http HEAD command was calculated, and it was a significant > amount of transfer, expensive at the time. > > > I have to admit I've wondered if Cloudflare and the other CDN's meant > it outlived it's usefullness, but it's a contribution I'm fairly > proud of. > > -Chris > > > > On Tue, 3 Jul 2018, Joel Esler (jesler) wrote: > > > > > > > On Jul 2, 2018, at 1:17 PM, Reindl Harald > > <h.rei...@thelounge.net> wrote: > > > > on a typical setup freshclam is running once or twice *daily* while > > a webserver these days can spit out the same small static txt file > > many thousands of times per seond with zero load > > > > > > That is not the results we are seeing. There are a LARGE amount of > > people that check for updates once or twice a day, yes. However, > > we have hundreds of thousands of people that check for updates > > hundreds of times a day. We haven't started concentrating on these > > people yet (our biggest offender is one IP that checks 100,000+ > > times a day), but clearly that's excessive. We publish approx 5-6 > > times a day. So, let's say you check 50 times a day.... Clearly, > > that's enough. > > > > -- > > Joel Esler > > Sr. Manager > > Open Source, Design, Web, and Education > > Talos Group > > http://www.talosintelligence.com > > > > > > --- > ======================================================================== > Chris Candreva -- ch...@westnet.com -- > http://www.westnet.com/~chris _______________________________________________ clamav-users mailing list clamav-users@lists.clamav.net http://lists.clamav.net/cgi-bin/mailman/listinfo/clamav-users Help us build a comprehensive ClamAV guide: https://github.com/vrtadmin/clamav-faq http://www.clamav.net/contact.html#ml
