Does TLS provide anonymity?
No
It’s possible to tell which user connects to which service through the use of a proxy.
True
What is a mixnet?
Arbitrary network of mixes
A single good mix can guarantee anonymity.
True
Name 2 disadvantages of basic mixnets
- Pk encryption and decryption at each mix is computationally expensive
- Basic mixnets have high latency
What are 2 ways of preventing a predecessor attack?
- Frequent circuit changes
- Using entry guards (pre-selected trusted nodes)
What are 3 conditions under which a relay may become a guard?
- Long and consistent uptimes
- High bandwidth
- Manually vetted
What is the domain suffix of anonymous hidden services reachable via the Tor network
.onion
What are hidden services and what do they allow?
Websites or services only accessible through the Tor network. They allow users to host services anonymously, protecting the server’s location and the user’s identity.
What’s the main purpose of tor bridges?
Many countries block traffic to IP addresses of Tor relays (public info in consensus file). Tor bridges are used to connect clients in censored areas to rest of Tor network.
All Tor nodes (except bridges) are publicly known.
True
