In message <20120717194840.GA3773@glasya2>, nex6 writes: > when does bind or dns in general use tcp and when does it use udp?
When it needs to. TCP support is NOT optional. > from what i have read, from the client intial request if under 512b > come in on UDP port 53, if and depending on the local > resolver in needs to retry it *could* be a tcp port 53 request? > > now thats client to name server; > > > what about, recursive lookups? or forwarded requests? etc It's still client to server. Recursive servers have a client side and a server side. > how does that work? Exactly the same why. > -Nex6 > > > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe > from this list > > bind-users mailing list > [email protected] > https://lists.isc.org/mailman/listinfo/bind-users -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: [email protected] _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list [email protected] https://lists.isc.org/mailman/listinfo/bind-users

