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  2. MIDRANGE-L
  3. May 2005

Running public DNS server on iSeries

I think the following is possible, though maybe not advisable.  Any 
comments?

Have a customer switching ISP's from one who was providing DNS service to 
one who won't (because the latter has DSL and the former is only ISDN).
They only have one system, the iSeries, behind a firewall.  I was 
wondering about running a DNS server on the iSeries for their public 
domain, and seting the firewall to forward DNS port 53 traffic to the 
internal address of their iSeries.  Is this possible?  (May be an issue 
there too in that the internal DNS address for their domain should resolve 
to a 192.168.x.x address, so maybe that's a showstopper right there).  I'm 
thinking I'd be better off signing them up with one of the free DNS 
service providers.


Also, DNS on port 53 uses only TCP. not UDP - is that right?

...Neil

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