Juergen Beisert wrote: > Why is port 123 open on eth0? David Woolley writes: > To allow the replies to come back in from the time servers. ntpd > sends UDP packets with both source and destination set to 123, not > just when talking to peers.
With a stateful firewall it is only necessary to allow outgoing packets on a port to establish a connection from inside. The firewall will recognize the reply packets as part of an established connection. -- John Hasler [email protected] Dancing Horse Hill Elmwood, WI USA _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
