What issues does the Dynamic C 10.72 TCP patch address?

The Dynamic C 10.72 addressed the following TCPIP issue:
The test for the ACK number in the RST packet was off-by-one, because it did not take into account the possibility of the RST being in response to a keepalive test, which uses a SEQ number one less than normal.

The code which kept track of connection "activity" also included RST packets, which it should not. This caused it to keep the socket open forever without keeping on sending keepalives.
Last updated: May 31, 2019

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