What is ss ssr?

SS and SSR (Shadowsocks and ShadowsocksR) are both protocols designed for secure and private internet connections. They are commonly used to bypass internet censorship and avoid surveillance in countries where online privacy is restricted.

Shadowsocks was initially developed in 2012 by a Chinese programmer named "clowwindy" for use within China's Great Firewall. It uses a technique called proxying to redirect internet traffic, making it difficult for filters to detect and block. Shadowsocks traffic is also encrypted, adding an additional layer of protection.

ShadowsocksR is a modified version of Shadowsocks that introduces additional features such as obfuscation, which makes it even more difficult for filters to detect and block. It also supports more encryption methods, including AES-256 and ChaCha20.

Both Shadowsocks and ShadowsocksR require a server to be set up outside the censored network, which can be rented from providers or self-hosted on a VPS. Users can then connect to the server using an SS or SSR client on their device.

However, it should be noted that using Shadowsocks and ShadowsocksR may still be illegal in some countries, and can carry a potential risk of consequences depending on the laws and regulations in place.