performance impact of large /etc/hosts files
nvass at teledomenet.gr
Wed Dec 12 04:35:28 PST 2007
On Wednesday 12 December 2007 14:01:14 Alex Zbyslaw wrote:
> but I'm going to spend *forever* before I get all those IP addresses
> from a round-robin DNS entry to put into some ipfw table,
No, it's going to take something like 5 minutes.
At least for a 1420 lines hosts file.
> and if any of
> those addresses also hosts the main site, I end up blocking that too.
Yes, but I doubt there is any other service on these web servers.
> I don't see how a firewall is appropriate for this (hosts.allow,
> likewise). The point of the exercise is to never even contact the ad
The point of the exercise is not that apparent to everybody.
> If I've misunderstood something about your approach, please enlighten
You misunderstood something, just because you and some people do it,
does is it make it the legitimate usage of /etc/hosts?
That's not the apparent usage of /etc/hosts to everyone.
I said I need more info, and I tried to guess what he does.
Please read the whole thread before trying to be that didactic!
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