jcoombs at gwi.net
Wed Mar 30 17:12:33 UTC 2005
> It might be a problem if you have "roaming" customers. In some OS
> (the older Windows versions at least), a manually configured DNS would
> override any DNS configured via DHCP. So if you have a customer with
> a manually configured ethernet interface and he goes out of the office
> and tries to connect via dialup to another provider, his DNS settings
> will prevent the dialup interface from acquiring new DNS servers.
> This might not be the case with Windows 2000 and later, since an
> interface with no link is disabled by default.
> I wouldn't go as far as saying that they are as bad as an open mail
> relay, but open dns servers do tend to have a higher load (obviously).
Short of just cutting off recursive access outside local netblocks and
seeing how things settle, whats the recomended method for guesitmating
connection counts from external and internal netblocks?
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