The rsync command below works with "rsync version 2.5.7 protocol version 26" but fails with "rsync version 2.6.2 protocol version 28". It seems the "[6420]" is not accepted in 2.6.2. Is this a feature or a bug? rsync -auv rsync://rsync.kernel.org/pub/linux/kernel/v2.[6420] /pub/linux/kernel W