1. Proxies from SOCKS are perfect for firewall scenarios.
Since SOCKS servers do not interpret network flow between clients and servers, they are typically used when the client is behind a firewall. This means that if clients do not use SOCKS software, they cannot create TCP connections to servers outside of this firewall.
2. Most Web browsers can easily be configured to communicate with a Web server through a SOCKS server (after some research).
Since clients must first connect to the SOCKS server and let the host know where they will connect, they should be "SOCKS enabled".
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