Date: Sat, 7 Jun 2014 14:40:43 +0800 From: Erich Dollansky <erich@alogt.com> To: None Secure <none_secure@yahoo.com> Cc: freebsd-net@freebsd.org Subject: Re: Can you create a FreeBSD gateway, with private IPs, without NAT/divert ? Message-ID: <20140607144043.3d4be435@X220.alogt.com> In-Reply-To: <1402122166.37214.YahooMailNeo@web162101.mail.bf1.yahoo.com> References: <1402122166.37214.YahooMailNeo@web162101.mail.bf1.yahoo.com>
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Hi, On Fri, 6 Jun 2014 23:22:46 -0700 (PDT) None Secure via freebsd-net <freebsd-net@freebsd.org> wrote: > BUT, what if my ISP is giving me a private IP, and my internal > network is also private IPs ? External gateway address is > 192.168.1.2 and internal gateway address is 10.10.10.1 ... the ONLY > way I could make this work is with natd and ipfw divert rules. > > My question is: is it possible to have a network of non-routable > IPs, and a gateway with non-routable Ips on internal and external > interfaces, and NOT use natd/divert ? Can it be done with no ipfw > rules at all, just like I used to ? > what should be the problem? I did some time ago when the ISP gave us only a single IP address. The local machines connected to the gateway, the gateway connected via a second interface to the ISP. Of course, only the gateway was visible from outside. If you want to access the internal machines from outisde, you will need NAT. Erich
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