RE: [Exim] Opinions sought on new ignore_hosts option

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Συντάκτης: Jason Gunthorpe
Ημερομηνία:  
Προς: Philip Hazel
Υ/ο: John Horne, exim-users
Αντικείμενο: RE: [Exim] Opinions sought on new ignore_hosts option
On Tue, 15 Aug 2000, Philip Hazel wrote:

> None of these are relevant to the proposed new option, which will apply
> only when a host name is looked up to find its IP addresses *for routing*.
> The option will be a generic router option.


Hm.. From a security viewpoint it would be good to say 'drop 172.16.*
unless the domain being looked up is myprivatelan.com' that way DNS abuse
cannot be used to send SMTP to arbitary internal machines.

Jason