Both of those things are done as well. Sent from my iPhone
> On Dec 13, 2020, at 19:24, Dave Warren via clamav-users > <clamav-users@lists.clamav.net> wrote: > > On 2020-12-11 08:51, Paul Kosinski via clamav-users wrote: >> "The whole CVD filename is not versioned (always "daily.cvd") which is >> why the CloudFlare caching issue may result in serving the previous >> version." >> HTML filenames for Web pages are not versioned either. Does this mean >> that CDNs like Cloudflare often serve up obsolete Web pages? If so, does >> nobody notice (and complain)? >> A delay of an hour could have an adverse effect on online commerce, >> especially during the busy holiday season. > > By default Cloudflare does not cache HTML. Cloudflare also respects > cache-control headers, which is the normal mechanism used for websites which > want caching, but only to a point. > > Cloudflare also has an API to clear the cache (at least by URI, or > everything, and possibly more depending on the particular options offered by > your plan). But in practice clearing the cache is not completely reliable and > seems to be intended for cases where it is strictly needed and not for every > "I updated this file" situation. I have the impression that this applies when > using Cloudflare's tiered caching, my idle speculation wonders if perhaps > this is a timing issue, where server #1 clears the cache, processes a request > for the file which it obtains from server #2 all before server #2 clears the > file from cache and then processes a request by pulling it from server #1. > > From a ClamAV perspective, one solution to solve this would be to call > daily.cvd?version=26013 -- Note that the underlying web server could ignore > the version parameter completely, but this would ensure that each Cloudflare > cache retrieves a fresh version of the file and negates the need to push a > cache clear message at all. If ClamAV's server serves an outdated version of > the file then it would still get cached, but this would defeat any caching > within Cloudflare for new versions as they're released. > > > _______________________________________________ > > clamav-users mailing list > clamav-users@lists.clamav.net > https://lists.clamav.net/mailman/listinfo/clamav-users > > > Help us build a comprehensive ClamAV guide: > https://github.com/vrtadmin/clamav-faq > > http://www.clamav.net/contact.html#ml
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