I would look at finding the IP address of the WordPress website. For example, downloading bbpress manually gives me the link https://downloads.wordpress.org/plugin/bbpress.2.5.8.zip which when using ping in command prompt gives me the IP address of 66.155.40.188 (this matches the subdomain of downloads.wordpress.com) I would whitelist the IPs found by @gmazzap as I found them too, … Read more
If you have your own DNS server you can block domains from resolving. Here is a guide to block domains in Bind DNS server. To get all the IP addresses there is no way. What you can do is, install dig. It’s available in linux but not in windows. Then time to time enter dig youtube.com. It’ll show you … Read more
::1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1. See http://en.wikipedia.org/wiki/Localhost
It is fully possible to send data with a fake sender IP. You’ll have a hard time getting replies though, since the replies will be sent to the fake IP and never reach you. Additionally, if you send data with a “from” IP that a router doesn’t expect to arrive from you, the router will … Read more