"Xia Tao" <[EMAIL PROTECTED]> writes:
> But after the Nessus scans the system, there are some permanent
> ESTABLISHED TCP connections .
Did you implement TCP keep alive?
Socket Options
These socket options can be set by using setsockopt(2) and read with
getsockopt(2) with the socket level set to SOL_SOCKET for all sockets:
SO_KEEPALIVE
Enable sending of keep-alive messages on connection-oriented
sockets. Expects a integer boolean flag.
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