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In sendConnectScanProbe, the usual method is to start a non-blocking connect() and then do select() on the sockets until we get a result. On some platforms and in some circumstances, connect() either blocks or comes back immediately. We handled this by setting the port state appropriately, but we didn't set the reason, yielding results like "Host is up, received no-response" and "80/tcp open http no-response"
217 KiB
217 KiB