Closing down public interface

  • Posted March 30, 2014

I set up haproxy and a couple of servers behind it, all with private networking enabled. I want to shut down public access to the servers directly, so I configured haproxy to use the private IPs of the servers, which works.

What doesn’t work is shutting down the public network interface on the servers. If I do “ifconfig eth0 down”, the server stops responding to the haproxy.

Is this approach wrong? If it is, what’s the right way to block bypassing of my front end proxy?


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Hi Jim, <br> <br>Are you still seeing this? I can’t seem to reproduce it myself. Can you ping the private IPs from the haproxy instance?