thank That means EDNS is not supported by that var of SunOS ,can you give me the commands for checking the ENDS,BIND version in sunos
On Wed, Sep 5, 2012 at 10:54 AM, Mark Andrews <ma...@isc.org> wrote: > > In message <20120905071700.ga2...@nic.fr>, Stephane Bortzmeyer writes: > > On Wed, Sep 05, 2012 at 10:01:45AM +0300, > > syed haq <smu...@gmail.com> wrote > > a message of 66 lines which said: > > > > > EDNS not supported by ***.**.**.** > > > > 1) Test your name server to be sure the diagnostic is correct: > > > > dig +bufsize=4096 @YOUR-NAME-SERVER SOA YOUR-DOMAIN > > > > You should get in the answer something like: > > > > ;; OPT PSEUDOSECTION: > > ; EDNS: version: 0, flags:; udp: 4096 > > > > (To test with a non-EDNS name server, 'dig +bufsize=4096 > > @uz5dz39x8xk8wyq3dzn7vpt670qmvzx0zd9zg4ldwldkv6kx9ft090.ns.yp.to SOA > > yp.to' and with a EDNS name server 'dig +bufsize=4096 @f.ext.nic.fr > > SOA fr' so you can see the difference) > > > > 2) BIND supports EDNS for so long that everyone forget when it was > > included. So, it is unlikely it is the fault of your name server. If > > your name server does not support EDNS, it probably means there is a > > broken middlebox (firewall or something like that: most are configured > > by ignorants, specially when it comes to the DNS) that you have to > > fix. > > SunOS 5.8 is ancient (12+ year old)and no longer supported by Oracle. > I can't remember which version of BIND 8, SunOS 5.8 shipped with > but it wasn't a recent version at the time. Named will most probably > have to be replaced. He can compile a modern version of BIND 9 or > down load a prebuilt version. It looks like unixpackages.com has > a prebuilt package but I'm not going to subscribe to confirm. > > Alternatively the OS could be upgraded to a more recent release or > the entire machine could be replaced. > > Mark > -- > Mark Andrews, ISC > 1 Seymour St., Dundas Valley, NSW 2117, Australia > PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org > -- syedhaq
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