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Re: DoS attack against TCP services writes:

>>> Unfortunately, all TCP connections are now in the TIME_WAIT state.
>>> bash-4.3 # netstat -a -n | grep TIME_WAIT | wc -l
>>>      34611
>>> Is there a way to remove it without rebooting the server?
>> tcpdrop(8)?

>It works. But why doesn't drop the kernel it automatically?

TCP connections in TIME_WAIT will expire after some time, usually between
10 and 60 seconds after a connection is closed. The timeout depends on
the distance of the remote machine.

                                Michael van Elst
                                "A potential Snark may lurk in every tree."

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