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Discussion: Tor

  1. #1
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    Par défaut Tor

    Bonjour,

    Je vous propose un nouvel élément à utiliser : Tor

    Tor est un logiciel libre et un réseau ouvert qui vous aide à vous défendre contre une forme de surveillance qui menace les libertés individuelles et la vie privée, les activités et relations professionnelles confidentielles, et la sécurité d'État connue sous le nom d'analyse de trafic, ...

    • Empêche quiconque de repérer votre localisation ou vos habitudes de navigation
    • Utile pour les navigateurs web, les clients de messagerie instantanée, les connexions à distance, et encore plus
    • Libre et open source pour Windows, Mac, GNU/Linux / Unix, et Android




    Tor vous protège en faisant transiter vos communications au sein d'un réseau distribué de relais hébergés par des volontaires partout dans le monde : il empêche quiconque observant votre connexion Internet de savoir quels sites vous visitez, et il empêche le site que vous visitez de savoir où vous vous trouvez. Tor fonctionne avec bon nombre d'applications existantes, y compris les navigateurs web, les clients de messagerie instantanée, les connexions à distance, et autres applications basées sur le protocole TCP.

    Qu'en pensez-vous ?

  2. #2
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    Par défaut recherche

    bonjour je recherche un logiciel mieux que le cproxy

  3. #3
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    Par défaut

    Bonjour,

    J'ai testé le programme ci-dessous pour le surf anonyme.
    Chacune de ces trois méthodes offre la possibilité de fonctionner en mode classique TCP/IP et en mode TOR pour l'anonymat :
    Code :
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    new NetlibHttpUsageExamplesRemoteTest().simple_HTTP_GET_request_with_HttpUtil();
    new NetlibHttpUsageExamplesRemoteTest().execute_HTTP_GET_with_Adapter_URL();
    new NetlibHttpUsageExamplesRemoteTest().execute_HTTP_GET_with_Adapter_URL_with_global_reconfiguration_of_class_URL();
    En mode TCP/IP, tout marche à merveille : les trois méthodes extraient le code HTML des sites concernés tout en affichant mon adresse IP qui est fixe.

    En mode TOR (pour l'anonymat), rien ne va plus, le programme tourne en rond sans jamais réussir à capter aucun flux.

    Code :
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    // classic:   TcpipNetLayer with NetLayerIDs.TCPIP (--> HTTP over plain TCP/IP)
    // anonymous: TorNetLayer with NetLayerIDs.TOR (--> HTTP over TCP/IP over Tor network)
    //NetLayer lowerNetLayer = NetFactory.getInstance().getNetLayerById(NetLayerIDs.TOR); 
    NetLayer lowerNetLayer = NetFactory.getInstance().getNetLayerById(NetLayerIDs.TCPIP);
    Merci d'avance pour votre éclairage

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    /*
     * silvertunnel.org Netlib - Java library to easily access anonymity networks
     * Copyright (c) 2009-2012 silvertunnel.org
     *
     * This program is free software; you can redistribute it and/or modify it
     * under the terms of the GNU General Public License as published by the Free
     * Software Foundation; either version 2 of the License, or (at your option)
     * any later version.
     *
     * This program 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 General Public License for
     * more details.
     *
     * You should have received a copy of the GNU General Public License along
     * with this program; if not, see <http://www.gnu.org/licenses/>.
     */
     
    package main;
     
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.net.URL;
    import java.net.URLConnection;
    import java.net.URLStreamHandler;
     
    import org.junit.Test;
    import org.silvertunnel.netlib.adapter.url.NetlibURLStreamHandlerFactory;
    import org.silvertunnel.netlib.adapter.url.URLGlobalUtil;
    import org.silvertunnel.netlib.api.NetFactory;
    import org.silvertunnel.netlib.api.NetLayer;
    import org.silvertunnel.netlib.api.NetLayerIDs;
    import org.silvertunnel.netlib.api.util.TcpipNetAddress;
    import org.silvertunnel.netlib.util.HttpUtil;
     
    /**
     * This class summarizes some code fragments to demonstrate the usage of
     * HTTP APIs with silvertunnel.org Netlib.
     * 
     * This class is directly visible from some Wiki pages
     * and part of the silvertunnel.org Netlib documentation. The code fragments
     * are collected here instead and not in the Wiki to ensure that they are
     * always valid/correct and compile against the current version of the API.
     * (The author saw wrong/non compilable examples in other
     *  projects documentation too often - therefore we document it here)  
     * 
     * @author hapke
     */
    public class NetlibHttpUsageExamplesRemoteTest {
        public static void main(String[] args) {
            new NetlibHttpUsageExamplesRemoteTest().simple_HTTP_GET_request_with_HttpUtil();
            new NetlibHttpUsageExamplesRemoteTest().execute_HTTP_GET_with_Adapter_URL();
            new NetlibHttpUsageExamplesRemoteTest().execute_HTTP_GET_with_Adapter_URL_with_global_reconfiguration_of_class_URL();
        }
        /**
         * Example: HTTP request using the very simple HttpUtil to load URL
         * <a href="http://httptest.silvertunnel.org/httptest/bigtest.jsp?id=example" target="_blank">http://httptest.silvertunnel.org/htt...jsp?id=example</a>
         * 
         * More documentation:
         * <a href="http://sourceforge.net/apps/trac/silvertunnel/wiki/NetlibHttpUtil" target="_blank">http://sourceforge.net/apps/trac/sil...NetlibHttpUtil</a>
         */
        @Test
        public void simple_HTTP_GET_request_with_HttpUtil() {
            try {
                // classic:   TcpipNetLayer with NetLayerIDs.TCPIP (--> HTTP over plain TCP/IP)
                // anonymous: TorNetLayer with NetLayerIDs.TOR (--> HTTP over TCP/IP over Tor network)
                //NetLayer lowerNetLayer = NetFactory.getInstance().getNetLayerById(NetLayerIDs.TOR); 
                NetLayer lowerNetLayer = NetFactory.getInstance().getNetLayerById(NetLayerIDs.TCPIP); 
     
                // wait until TOR is ready (optional) - this is only relevant for anonymous communication:
                lowerNetLayer.waitUntilReady();
     
                // prepare parameters (http default port: 80)
                TcpipNetAddress httpServerNetAddress = new TcpipNetAddress("httptest.silvertunnel.org", 80);
                String pathOnHttpServer = "/httptest/bigtest.jsp?id=example";
                long timeoutInMs = 5000;
     
                // do the HTTP request and wait for the response
                byte[] responseBody = HttpUtil.getInstance().get(lowerNetLayer, httpServerNetAddress, pathOnHttpServer, timeoutInMs);
     
                // print out the response
                System.out.println(new String(responseBody));
     
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
     
        /**
         * Example: HTTP request using Adapter URL to load
         * <a href="http://httptest.silvertunnel.org/httptest/bigtest.jsp?id=example2" target="_blank">http://httptest.silvertunnel.org/htt...sp?id=example2</a>
         * 
         * This example does not change the global settings of java.net.URL
         * and is preferred over the next example
         * (execute_HTTP_GET_with_Adapter_URL_with_global_reconfiguration_of_class_URL).
         * 
         * More documentation:
         * <a href="http://sourceforge.net/apps/trac/silvertunnel/wiki/NetlibHttpUtil" target="_blank">http://sourceforge.net/apps/trac/sil...NetlibHttpUtil</a>
         */
        @Test
        public void execute_HTTP_GET_with_Adapter_URL() {
            try {
                // classic:   TcpipNetLayer with NetLayerIDs.TCPIP (--> HTTP over plain TCP/IP)
                // anonymous: TorNetLayer with NetLayerIDs.TOR (--> HTTP over TCP/IP over Tor network)
                //NetLayer lowerNetLayer = NetFactory.getInstance().getNetLayerById(NetLayerIDs.TCPIP); 
                NetLayer lowerNetLayer = NetFactory.getInstance().getNetLayerById(NetLayerIDs.TCPIP); 
     
                // wait until TOR is ready (optional) - this is only relevant for anonymous communication:
                lowerNetLayer.waitUntilReady();
     
                // prepare URL handling on top of the lowerNetLayer
                NetlibURLStreamHandlerFactory factory = new NetlibURLStreamHandlerFactory(false);
                // the following method could be called multiple times
                // to change layer used by the factory over the time:
                factory.setNetLayerForHttpHttpsFtp(lowerNetLayer);
     
                // create the suitable URL object
                String urlStr = "http://httptest.silvertunnel.org/httptest/bigtest.jsp?id=example2";
                URLStreamHandler handler = factory.createURLStreamHandler("http");
                URL context = null;
                URL url = new URL(context, urlStr, handler);
     
     
     
                ///////////////////////////////////////////////
                // the rest of this method is as for every java.net.URL object,
                // read JDK docs to find out alternative ways:
                ///////////////////////////////////////////////
     
                // send request without POSTing data
                URLConnection urlConnection = url.openConnection();
                urlConnection.setDoInput(true); 
                urlConnection.setDoOutput(false); 
                urlConnection.connect();
     
                // receive and print the response
                BufferedReader response = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
                String line;
                while ((line=response.readLine())!=null) {
                    System.out.println(line);
                }
                response.close();
     
            } catch (IOException e) {
                e.printStackTrace();
            }
     
            System.out.println("************************************");
            System.out.println("************************************");
            System.out.println("************************************");
            System.out.println("************************************");
            System.out.println("************************************");
            System.out.println("************************************");
            System.out.println("************************************");
            System.out.println("************************************");
            System.out.println("************************************");
            System.out.println("************************************");
        }  
     
        /**
         * Example: HTTP request using Adapter URL to load
         * <a href="http://httptest.silvertunnel.org/httptest/bigtest.jsp?id=example3" target="_blank">http://httptest.silvertunnel.org/htt...sp?id=example3</a>
         * 
         * This example changes the global settings of java.net.URL
         * and can have side effects to code in the same JVM. The way shown here
         * should only be used if necessary. Otherwise, the previous example
         * (execute_HTTP_GET_with_Adapter_URL_with_global_reconfiguration_of_class_URL)
         * if preferred.
         * 
         * More documentation:
         * <a href="http://sourceforge.net/apps/trac/silvertunnel/wiki/NetlibHttpUtil" target="_blank">http://sourceforge.net/apps/trac/sil...NetlibHttpUtil</a>
         */
        // to to influence other tests in the same JVM: do not execute @Test
        public void execute_HTTP_GET_with_Adapter_URL_with_global_reconfiguration_of_class_URL() {
            try {
                // classic:   TcpipNetLayer with NetLayerIDs.TCPIP (--> HTTP over plain TCP/IP)
                // anonymous: TorNetLayer with NetLayerIDs.TOR (--> HTTP over TCP/IP over Tor network)
                //NetLayer lowerNetLayer = NetFactory.getInstance().getNetLayerById(NetLayerIDs.TOR); 
                NetLayer lowerNetLayer = NetFactory.getInstance().getNetLayerById(NetLayerIDs.TCPIP); 
     
                // wait until TOR is ready (optional) - this is only relevant for anonymous communication:
                lowerNetLayer.waitUntilReady();
     
                // redirect URL handling (JVM global)
                URLGlobalUtil.initURLStreamHandlerFactory();
                // the following method could be called multiple times
                // to change layer used by the global factory over the time:
                URLGlobalUtil.setNetLayerUsedByURLStreamHandlerFactory(lowerNetLayer);
     
                // create a URL object
                String urlStr = "http://httptest.silvertunnel.org/httptest/bigtest.jsp?id=example3";
                URL url = new URL(urlStr);
     
     
     
                ///////////////////////////////////////////////
                // the rest of this method is as for every java.net.URL object,
                // read JDK docs to find out alternative ways:
                ///////////////////////////////////////////////
     
                // send request without POSTing data
                URLConnection urlConnection = url.openConnection();
                urlConnection.setDoInput(true); 
                urlConnection.setDoOutput(false); 
                urlConnection.connect();
     
                // receive and print the response
                BufferedReader response = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
                String line;
                while ((line=response.readLine())!=null) {
                    System.out.println(line);
                }
                response.close();
     
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

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