1
vote
1answer
2k views

nginx: Prevent DoS by limiting worker processes/connections

If I limit my nginx worker processes to 1 and allow for 500 connections, what happens if I exceed this limit? Does the server return a 503 Service Unavailable? Basically, I'm trying to secure my ...
1
vote
1answer
272 views

Repetitive / incessant hits to pages, blank referrer, non-malicious

I asked this question last week, and followed the debugging advice and now have additional information. I have an odd problem-- on a high traffic website (millions of visitors a month), every day we ...
2
votes
3answers
423 views

How to stop repetitive hits from same host to same URL?

I have an odd problem-- on a high traffic website (millions of visitors a month), every day we get about 20 or so situations where one host begins incessantly requesting the same page, over and over-- ...