Sunos 5.8 Error:EDNS not supported by your namesever
marka at isc.org
Wed Sep 5 07:11:13 UTC 2012
In message <CAJw6AQC1EApdkaz+7EF2kn5C7zgzAdWMxuk1BQdyRrGczOggiA at mail.gmail.com>, syed haq writes:
> When I enter the query for the client in the RIPE DataBase for the Reverse
> DNS ,the Error getting is
> EDNS not supported by ***.**.**.**
> EDNS is an extension to the DNS protocol. The major change
> is that the 512-byte size limit of the query/answer packet has
> been removed, which allows more information to be provided.
> EDNS is essential for newer protocols and technologies (such
> as DNSSEC and IPv6) that requires larger packet sizes.
> Please let me know what to do to resolve the issue
1) Make sure your firewall passes EDNS packets both in and out.
2) Run a nameserver that supports EDNS.
Since you are asking here, if you run BIND 9 (or a late BIND 8)
your nameserver supports EDNS.
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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