Yes, I am also looking a tools to update DNS when IP address changes. /bill
On Saturday 24 October 2015 17:35, Mark Andrews wrote: > Get yourself IPv6 and forget about the NAT. Complain to your ISP > if they don't supply IPv6. They should be able to as they have had > two decades to prepare for the fact the IPv4 addresses have run > out. That way you don't have to worry about different internal and > external addresses. > > Even routers that dynamically update the DNS when they get a new > address are starting to no longer work as ISP's introduce Carrier > Grade NATs (CGN) as they have run out of addresses to even give > customers a unshared IPv4 addresses. > > If you really want to track external addresses use a tool outside > of named and have it dynamically update the address in the DNS when > it changes. > > Mark > > In message <201510241649.33628.boobe...@rogers.com>, Bill writes: > > I was wondering if anyone has looked at or is is the process of adding > > DNS ALG support, or something similar, to bind? > > > > https://tools.ietf.org/html/rfc2694 > > > > What I would like to do to have the ability to query a DNS server located > > behind a NAT, and have it return the IP of the NAT, and setup connection > > tracking in the NAT to pass traffic thru to the host behind the NAT. The > > effect of this is to have a reversible NAT, ie one that provides access > > to hosts behind the NAT, not by their IP, but by their hostname. > > > > (There are other things in DNS ALG, but I am really interesting only in > > the reversible NAT aspect.) > > > > Implementing this seems to need the DNS server (bind in this case), to > > configure the NAT using the 'expect' feature of connection tracking. > > This would permit the following packets to traverse the NAT to the host, > > provided of course they meet the expectation (source, protocol, etc). > > > > I'd like to know of anyone has looked at this, is implementing it, or > > knows of any implementations. I have looked into it but have only seen > > enterprise implementations (Cisco & Juniper), but nothing open-source. > > > > /bill > > _______________________________________________ > > Please visit https://lists.isc.org/mailman/listinfo/bind-users to > > unsubscribe from this list > > > > bind-users mailing list > > bind-users@lists.isc.org > > https://lists.isc.org/mailman/listinfo/bind-users _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
