Why Do Some Websites Block VPNs?
One of the only ways to protect your right to privacy and information online is to use a VPN. Some websites infringe on those rights by blocking VPNs, but they do it for a good reason. #faf@31
The big names that are notorious for blacklisting VPNs are Netflix,
Hulu, Amazon, and the BBC. It’s hard to figure out exactly how many
websites block VPN access, but the number could be in the thousands.
Most of these sites aren’t actively at war with VPNs, but they manage to
blacklist a lot of VPN IP addresses over time passively.
Blocking VPNs Is Easy
It’s common for websites to locate and track users based on their IP
addresses. IP tracking is an easy way to increase account security,
build targeted advertisements, and show users different content
depending on the country in which they live. This practice of IP
tracking is one of the main reasons why people use VPN services, but
it’s also the reason why blocking VPN access to a website is so easy.
A VPN service owns a limited
number of IP addresses. And since most VPN servers use IPv4 , it’s
difficult to generate unique IP addresses, and a pool of subscribers are
often sharing the same IP addresses for months or years at a time.
Websites that want to blacklist VPNs simply need to use services
like ipinfo to block IP addresses that have been used by multiple
different users.
There are two other ways that websites can blacklist VPNs, but these
methods aren’t as common as IP blocking. One method, called port
blocking, requires websites to figure out the exit ports that VPNs are
using for all of their IP addresses. Port blocking is easy and effective
because most VPNs use the 1194 OpenVPN port. Another method, called
deep-packet inspection, checks users’ metadata for cryptography
signatures. These signatures are like the fingerprints of VPN services,
and hiding them is difficult.
Contracts Force Streaming Sites To Ban VPNs
Again, the most notorious VPN blacklisters are Netflix, Amazon, Hulu,
and the BBC. All of these websites stream media, and they all blacklist
VPNs to honor regional contracts with licensing companies.
When streaming services want to add a TV show or a movie to their
library, they have to sign a contract with the licensing company that
owns said programming. The world of streaming services is incredibly
competitive right now, and licensing companies can make hundreds of
millions of dollars by handing popular shows to the highest bidder.
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