On Wed, Jan 07, 2009 at 09:53:49AM -0800, Chuck Kollars wrote: > > What kind of performance issues should I expect if I remove squidGuard > > and simply make a series of acl's pointing to shalla bl files directly > > then denying them with http_access deny statements? > > I have to admit I don't know specific numbers as I don't know anyone > that's actually tried it. The conventional wisdom in the DansGuardian > world though is don't do this! While realtime BLs work well for batch > processes like email exchange, and while realtime BLs have the advantage > of instant updates, their net effect on interactive processes like web > browsing is making all the delays visible to users. > > Requiring access to some file on some remote site for every web request > can double or triple the load on your Internet drop.
I think it's pretty clear he meant using the files downloaded from shalla on his server. I know of no system that queries "remote files". BLs mean DNS based lookups, which shalla does not have.