On Thu, Jan 31, 2008 at 08:41:38AM -0800, Ben Greear wrote:
> I don't know exactly how the tcp_tw_recycle works, but it seems like it
> could be made to only
> take affect when all local ports are used up in TIME_WAIT.
TIME-WAIT does not actually use up local ports; it uses up remote ports
beca
Andi Kleen wrote:
I believe the problem was that all of my ports were used up with
TIME_WAIT sockets and so it couldn't create more. My test
case was similar to this:
Ah that's simple to solve then :- use more IP addresses and bind
to them in RR in your user program.
Arguably the Linux
> I believe the problem was that all of my ports were used up with
> TIME_WAIT sockets and so it couldn't create more. My test
> case was similar to this:
Ah that's simple to solve then :- use more IP addresses and bind
to them in RR in your user program.
Arguably the Linux TCP code should be
Andi Kleen wrote:
On Wednesday 30 January 2008 20:22, Ben Greear wrote:
We use these features to enable creating very high numbers of short-lived
TCP connections, primarily used as a test tool for other network
devices.
Hopefully these other network devices don't do any NAT then
or do
On Wednesday 30 January 2008 20:22, Ben Greear wrote:
> We use these features to enable creating very high numbers of short-lived
> TCP connections, primarily used as a test tool for other network
> devices.
Hopefully these other network devices don't do any NAT then
or don't otherwise violate th
Andi Kleen wrote:
We've recently had a long discussion about the CVE-2005-0356 time stamp
denial-of-service
attack. It turned out that Linux is only vunerable to this problem when
tcp_tw_recycle
is enabled (which it is not by default).
In general these two options are not really usable in toda
We've recently had a long discussion about the CVE-2005-0356 time stamp
denial-of-service
attack. It turned out that Linux is only vunerable to this problem when
tcp_tw_recycle
is enabled (which it is not by default).
In general these two options are not really usable in today's internet becaus