What do the different onion icons in the address bar mean?
When browsing an Onion Service, Tor Browser displays different onion icons in the address bar indicating the security of the current webpage.
An onion means:
- The Onion Service is served over HTTP, or HTTPS with a CA-Issued certificate.
- The Onion Service is served over HTTPS with a Self-Signed certificate.
An onion with a red slash means:
- The Onion Service is served with a script from an insecure URL.
An onion with caution sign means:
- The Onion Service is served over HTTPS with an expired Certificate.
- The Onion Service is served over HTTPS with a wrong Domain.
- The Onion Service is served with a mixed form over an insecure URL.