On Wed, Feb 16, 2011 at 9:37 PM, alexus <[email protected]> wrote: > How does Varnish handles DDOS? > > here is my problem, in our environment varnish servers static pages > but dynamic pages it passed to application server (apache). > so every onces in a while we have some attacker(s) who start doing > some sort of attacks against us, and apache hits very high load on > server and about to go down... > so I look up an IP address and I block it on Varnish .vcl file, and > load goes back to normal right away... > is there something that can be done automatically? or is there > anything can be done at all to somehow handle this type of issue? > > please advise
Usually you would handle this in your firewall. Varnish is a fine hammer, but for some things screwdrivers still rule. (Btw, if blocking IP addresses does the trick for you, it's just a DOS, not a DDOS.) - Stig -- Stig Bakken CTO, Zedge.net - free your phone!
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