Ken Hornstein wrote: >>I want to know if the office firewall is returning ICMP messages in >>response to your packets to the AFS servers or simply not responding >>to them at all. > > > I was under the impression that this shouldn't make a difference; > since OpenAFS doesn't use a connected UDP socket, the operating system > won't pass back errors from ICMP messages to the application. > > --Ken
Both Linux and Windows report EHOSTUNREACHABLE errors in this case to AFS. The RX library uses the errors to modify the start time of the request to make it look as if the full timeout period was used. This causes the server to be marked down immediately instead of after a complete timeout period. This code is only enabled for Linux and Windows. It probably could be enabled for all platforms that support the pre-processor symbol regardless of whether or not it would work. Jeffrey Altman
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