> read the section of the rfc i mentioned earlier. it probably ought to probe > only after a retransmission timeout period
i believe bsd-based tcp stacks also send 1-byte zero-window probes but use a persist timer that starts at approx. 5 seconds (*) i wonder if godaddy's tcp does not reset in that case - anyone care to verify? (*) section 4 of http://www.usenix.org/publications/library/proceedings/bos94/full_papers/lin.a