Why doesn't Tor browser block HTTP by default?

It's not enabled by default because it would block a significant fraction of the Internet for users.

1. Does Tor Browser allow HTTP?
2. Should I use HTTPS everywhere on Tor?
3. Can Tor traffic be blocked?
4. Can I use Tor as default browser?

Does Tor Browser allow HTTP?

The short answer is: Yes, you can browse normal HTTPS sites using Tor. HTTPS Connections are used to secure communications over computer networks. You can read more about HTTPS here. Tor Browser's HTTPS-Only mode automatically switches thousands of sites from unencrypted "HTTP" to more private "HTTPS".

Should I use HTTPS everywhere on Tor?

Is the HTTPS not needed on the Tor Browser? It is recommended to always use HTTPS whenever possible over Tor, except on . onion sites. Browsing over HTTP over Tor could actually be dangerous, as there is a higher risk of man-in-the-middle (MITM) attacks.

Can Tor traffic be blocked?

Blocking traffic from the Tor network using web application firewalls and proxies. Where an environment does not have access to a configurable gateway or firewall, most web application firewalls and proxies can be configured to block traffic from the Tor network.

Can I use Tor as default browser?

There are methods for setting Tor Browser as your default browser, but those methods may not work always or in every operating system. The Tor Browser works hard to isolate itself from the rest of your system, and the steps for making it the default browser are unreliable.