All connected players.

	function OnGUI() {
		if (GUILayout.Button ("Disconnect first player")) {
			if (Network.connections.Length > 0) {
				Debug.Log("Disconnecting: "+
					Network.connections[0].ipAddress+":"+Network.connections[0].port);
				Network.CloseConnection(Network.connections[0], true);
			} 
		}	
	}

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void OnGUI() {
        if (GUILayout.Button("Disconnect first player"))
            if (Network.connections.Length > 0) {
                Debug.Log("Disconnecting: " + Network.connections[0].ipAddress + ":" + Network.connections[0].port);
                Network.CloseConnection(Network.connections[0], true);
            }
        
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def OnGUI() as void:
		if GUILayout.Button('Disconnect first player'):
			if Network.connections.Length > 0:
				Debug.Log(((('Disconnecting: ' + Network.connections[0].ipAddress) + ':') + Network.connections[0].port))
				Network.CloseConnection(Network.connections[0], true)