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>>>>> "Edward" == Edward Lewis <[EMAIL PROTECTED]> writes:
Edward> I just want to know if the IP address I am testing has a DNS server
Edward> (at port 53). This need is derived from the last question I posted
Edward> to the list - whether a server is allowed to answer to just a few
Edward> zones and drop all other queries.
Edward> The reason this is a problem is - I am testing servers for lameness
Edward> to identify what is the best way to limit the impact of lameness on
Edward> applications (that don't handle lame answers well). (In other words,
Edward> I'm not doing this for my health.) In my first runs I would look at
Edward> answers from servers, and if no answer cam back, I would mark the
Edward> server down.
That sounds reasonable so far.
Edward> This worked until I ran across an implementation selectively answers
Edward> to queries.
The question is, why would such an implementation even decide to answer
your DNS ping?
] ON HUMILITY: to err is human. To moo, bovine. | firewalls [
] Michael Richardson, Sandelman Software Works, Ottawa, ON |net architect[
] [EMAIL PROTECTED] http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another NetBSD/notebook using, kernel hacking, security guy"); [
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