Miroslav Lichvar fbca570d0b ntp: respond to NTPv1 client requests with zero mode ...

NTPv1 packets have a reserved field instead of the mode field and the
actual mode is determined from the port numbers. It seems there is still
a large number of clients sending NTPv1 requests with a zero value in
the field (per RFC 1059).

Follow ntpd and respond to the requests with server mode packets.

2018-03-07 11:36:11 +01:00

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