Vanilla Netrek Server Development Archive
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[VANILLA-L:710] Solaris bug?
Continuum is experiencing another attack on the netrek server. It a
denial of service attack that I believe is specific to Solaris.
What I see happening is these users hit the server then log off
immediately and they do it hundreds of times. Finally the server will
not allow any more connections.
When I do a netstat I get hundreds of:
mage.2592 <remote hostname>.<port> 7884 15 8760 0 CLOSE_WAIT
The man on netstat says:
CLOSE_WAIT Remote shut down; waiting for the
socket to close.
So to me it looks like the remote side closed down the socket and the
server is waiting(?) for something before it closes it side of the
socket.
Am I following to this right?
If this is happening I believe the server runs out of file descriptors
and that is why people cannot log in.
--
Bob Tanner <tanner@real-time.com> | Phone : 612.943.8700
http://www.real-time.com | Fax : 612.943.8300
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