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2
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1answer
49 views

Stateless NAT with CentOS 6

I'm looking to set up the following: ---[IVR 1] | (internet)----[CentOS box]---+---[IVR 2] | ...
2
votes
0answers
389 views

A minmal iptables ruleset for a high volume Nginx reverse proxy (or: how to use NOTRACK for http and https)?

I'm looking for a minimal iptables ruleset for a rather high volume Nginx/Varnish reverse proxy. I'd like to close down the server, so that only ports 80 and 22 are open at all for connections from ...
0
votes
0answers
44 views

How to mitigate error “kernel: nf_conntrack: table full, dropping packet”

We recently had a problem with one of our servers (Debian Squeeze) becoming unresponsive during heavy-ish load. Looking at the kernel logs, I think this is the cause: kernel: nf_conntrack: table ...