Port 53 is open, I can also telnet it from another box in the same network. Now I think the problem can be on the packets size, because I'm trying every solution but nothing works.
2013/1/9 Lyle Giese <[email protected]> > On 01/09/13 08:39, Daniele wrote: > > 2013/1/9 Phil Mayers <[email protected]> > >> On 09/01/13 13:53, Daniele wrote: >> >>> This is the scenario. >>> >>> I installed BIND9 via `apt-get` on a newly installed UBUNTU 12.04, >>> virtualized on VirtualBox. >>> The network works properly because if I indicate a different server from >>> my own BIND9 (the first line of '/etc/resolv.conf' is, for example, >>> `nameserver 8.8.8.8`) the lookups and any action on the Internet succeed. >>> >>> >> No, this assumption is not valid. > > > I meant that I can reach the Internet and, vice versa, the Internet can > reach my terminal. > > > _______________________________________________ > Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe > from this list > > bind-users mailing > [email protected]https://lists.isc.org/mailman/listinfo/bind-users > > Recursive queries that named does for a client are different than your > machine as a dns client reaching out to Google's recursive service. > > You need to have UDP & TCP port 53 open to your recursive server(the one > running named) first of all. And if any network element within your > network limits the size of UDP packets, you will have problems with EDNS0 > queries. > > On this box running named, try this: > > dig +trace www.msn.com > > dig +trace imperial.ac.uk > > After dig gets a copy of the root servers from the local named, it will do > the same type of queries that a recursive name server does. > > Lyle Giese > LCR Computer Services, Inc. > > > _______________________________________________ > 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 >
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