Thursday, June 21, 2018

Lease an External IP

So I have 5 servers, 1 front end webserver with 2 interfaces. Each has a domain name assigned to it (www.example.com and aaa.example.com).

If these ip's are setup like:

208.43.50.25 - www.example.com 208.43.50.26 - aaa.example.com 208.43.50.27 - SQL backend 208.43.50.28 - file server 208.43.50.29 - Domain controller

My question is, are the two IP's that are public, that we can access from the internet, are they leased from our ISP? I wasn't here when this was all setup so I'm curious. These are all on the same subnet using 208.43.50.1 as a default gateway. Do ISP restrict certain IP's to be internet rout able?

How come if I run a small apache server on our DC .29, typing in that IP won't give me anything on the internet?

Traceroutes to both IP's give the same response and timeout at the same place. The webserver tracert times out because it requires cert authentication for the site



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