On Wednesday, Oct 23, 2002, at 19:41 US/Pacific, Don Bowman wrote:
I have an application listening on an ipfw 'fwd' rule.
I'm sending ~3K new sessions per second to it. It
has to turn around and issue some of these out as
a proxy, in response to which some of them the destination
host won't exist.
I have RST limiting on. I'm seeing messages like:
Limiting open port RST response from 1312 to 200 packets per second
come out sometimes.
After a while of such operation (~1/2 hour), the machine
becomes unresponsive: the network interfaces no longer respond,
the serial console responds to ^T yielding a status line,
but ^C etc do nothing, and the bash which was there won't
give me a prompt.
^T indicates my bash is running, 0% of CPU in use, etc.
I have no choice but to power-cycle it.
Any suggestions for how one would start debugging this to
find out where its stuck, and how?
At a guess, you need to tune the state-table retention time down.
KeS
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