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I can get my Sun, running SunOS 4.1[.x], to establish a UUCP connection to some non-Sun machine; it won log in. Whats wrong?

April 26, 2017connection log Machine non-sun running Sun SunOS UUCP

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I can get my Sun, running SunOS 4.1[.x], to establish a UUCP connection to some non-Sun machine; it won log in. Whats wrong?

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The 4.1[.x] UUCP normally runs in even-parity mode when logging into another machine. If the other machine is running in 8 bits, no parity, mode, the fact that the 8th bit is set on some of the characters the Sun is sending to it will confuse it. The Sun can be made to turn the 8th bit off by putting P_ZERO in the appropriate place in the appropriate UUCP configuration file [I may have been the one to put P_ZERO there, but I forget the details; it’s in the send-expect sequence in the Systems file entry for the machine, and I think you have an “expect” string of “” – i.e., “expect nothing” – and a “send” string of P_ZERO – i.e., make the parity bit zero. Check the UUCP stuff in the “Systems and Network Administration” document to make sure.