Date: Sat, 10 Apr 2010 11:14:30 -0500 From: Adam Vande More <amvandemore@gmail.com> To: Walter <walterk1@earthlink.net> Cc: Questions <freebsd-questions@freebsd.org> Subject: Re: host & dig Message-ID: <w2z6201873e1004100914pf6cc9335z2133cbad172825cb@mail.gmail.com> In-Reply-To: <4BC0911E.2090703@earthlink.net> References: <4BC0911E.2090703@earthlink.net>
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On Sat, Apr 10, 2010 at 9:54 AM, Walter <walterk1@earthlink.net> wrote: > A previous question to the List on how to get an IP > address from a host speicific URL yielded the helpful > responses of "host" and "dig." These (seemed to) work > fine. Well, just now I got a chance to try it out on a tiny > server I have at someone else's house, and on another > network. > > I used telnet to connect to 68.204.xxx.xxx > it tells me I've connected to xxx.xxx.204.68.cfl.res.rr.com. > (backwards, right?), then I log in. > No, you have to a connection before you login. You want to *strongly* consider using ssh instead of telnet. You may also be referring the format of the DNS query result which known as http://en.wikipedia.org/wiki/Reverse_DNS_lookup > > After user/pass entry, it says connected from "user-yyyyyyy.cab" > (replaced seemingly random name with "yyyyyyy" in case > it's not transient) > > My external IP here is 24.110.nnn.nnn > > The issue: > > When I use either "host" or "dig" to give me the IP address > from "user-yyyyyyy.cab", they tell me: 208.68.zzz.zzz > (Ping gives the same.) > > So, I'm still at a loss, I think, to know the originating IP. > Should a firewall rule blocking 208.68.zzz.zzz actually > operate against 24.110.nnn.nnn? I don't understand the question, what is the rule? > I'd STILL like to know the true source IP to be able to connect back to > it. > man sockstat man netstat -- Adam Vande More
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