Re: SO_REUSEADDR not allowing server and client to use same port

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From: Willy Tarreau
Date: Thursday, February 28, 2008 - 1:41 pm

On Thu, Feb 28, 2008 at 08:19:26PM +0000, Alan Cox wrote:

exactly. That's why I think that requiring the server to explicitly allow
socket reuse is mandatory. On another side of the problem, I really think
that we should make the simultaneous connect configurable. I've been patching
all of my own 2.4 kernels for a while to add a config option to turn it off
because there is a real security issue with this on. At least for mainline,
it should be a sysctl. No stateful firewall I know supports the feature, so
legitimate uses of this feature are likely very very small.

Willy
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Messages in current thread:
SO_REUSEADDR not allowing server and client to use same port, Nebojsa Miljanovic, (Thu Feb 28, 11:15 am)
Re: SO_REUSEADDR not allowing server and client to use sam ..., Willy Tarreau, (Thu Feb 28, 1:41 pm)