/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2017, Telestax Inc and individual contributors
* by the @authors tag.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.restcomm.media.network.netty.filter;
import java.net.InetSocketAddress;
import org.restcomm.media.network.api.NetworkChannel;
import io.netty.channel.Channel;
/**
* Guards a {@link NetworkChannel} by deciding whether remote sources are secure or not. The channel must drop packets that the
* Filter deems insecure.
*
* @author Henrique Rosa (henrique.rosa@telestax.com)
*
*/
public interface NetworkGuard {
/**
* Decides whether a remote peer is secure or not.
*
* @param channel The channel who received the packet.
* @param source The address of the remote peer.
* @return Returns true if source is considered secure; otherwise, returns false.
*/
boolean isSecure(Channel channel, InetSocketAddress source);
}