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Re: Interesting BIND error
Brian Bruns wrote:
On Thu, February 12, 2004 4:52 pm, Brian Wallingford said:We've been seeing the following on all of our (9.2.1) authoritative nameservers since approximately 10am today. Googling has turned up nothing; I'm currently trying to glean some useful netflow data. Just wondering if this is local, or if others have suddenly seen the same. Seems harmless enough, but the logging is eating a disproportionate amount of cpu. Feb 12 16:25:07 ns1 named: internal_send: 244.254.254.254#53: Invalid argumentIts possible that someone is spoofing UDP packets to your nameserver from that IP range (which is IANA reserved space).
That's the old Class E space. Definately not routed over the Internet. > It looks like BIND is
refusing to send to that address, and thus the error.
Or the OS is. -- Crist J. Clark email@example.com Globalstar Communications (408) 933-4387