Only see chat from nearby players.
proxchat.distance: Distance at which chat from nearby players is "heard" (default:
proxchat.show_distance: Show the player distance in chat messages (default:
proxchat.global_privs: Privileges required to use
/global(comma-separated list, empty for anyone) (default:
proxchat.player_config: Whether or not players may configure their own hear distance (default:
/global <message>: Send a message to everyone.
/chat_distance [distance]: Get or set your personal hearing distance (number > 0).
If you want to set the default hear distance during runtime, use
/set -n proxchat.distance 69 (with your own number).