On Wed, 21 Mar 2007, Jeffrey Goldberg wrote: > The short summary is that yes it is important to allow many kinds of > ICMP messages through from smooth Internet operation. > > In particular, the message types 0, 3, 4, 8, 11, 12 are the most useful. > > ICMP, very broadly speaking, provides a mechanism for reporting > failures of TCP and UCP packets. Failure in getting these message > through can lead to (most commonly) very long timeouts and other > connectivity problems. Full details are in the RFCs. > > None of this is specific to NTP, but is an IP thing in general. > > The reasons for blocking ICMP, Ping of Death, are well outdated. > > I'd like to thank everyone who took to time to educate me on these > matters. > > -j
Very interesting summary indeed. I will refresh my memory be looking at what 0, 3, 4, 8, 11, 12 are for. I am glad the ntp list helped you out! -Louis, _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
