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	<title>Michele Manzotti &#187; anonima</title>
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	<link>http://www.manzotti.eu</link>
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		<title>SSH anonimo via TOR</title>
		<link>http://www.manzotti.eu/ssh-anonimo-via-tor</link>
		<comments>http://www.manzotti.eu/ssh-anonimo-via-tor#comments</comments>
		<pubDate>Fri, 04 Sep 2009 23:52:05 +0000</pubDate>
		<dc:creator>manzotti.eu</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[anonima]]></category>
		<category><![CDATA[BackTrack]]></category>
		<category><![CDATA[ssh]]></category>
		<category><![CDATA[tor]]></category>

		<guid isPermaLink="false">http://manzotti.eu/?p=1459</guid>
		<description><![CDATA[Dopo aver installato il Tor in BT4, vediamo come poterlo utilizzare per effettuare connessioni ssh anonime. La suite del pacchetto mette a disposizione l&#8217;utility torify che come vedete ci permette di effettuare connessioni TCP via tor: $ apropos torify torify (1) - wrapper for tsocks and tor &#8230;.e per non farci mancare proprio nulla: $ [...]]]></description>
			<content:encoded><![CDATA[<p>Dopo aver installato il <a href="http://manzotti.eu/installare-tor-su-backtrack-4">Tor in BT4</a>, vediamo come poterlo utilizzare per effettuare connessioni ssh anonime.<br />
La suite del pacchetto mette a disposizione l&#8217;utility <strong>torify</strong> che come vedete ci permette di effettuare connessioni TCP via tor:</p>

<div class="wp_syntax"><div class="code"><pre class="text" style="font-family:monospace;">$ apropos torify
torify (1)           - wrapper for tsocks and tor</pre></div></div>

<p>&#8230;.e per non farci mancare proprio nulla:</p>

<div class="wp_syntax"><div class="code"><pre class="text" style="font-family:monospace;">$ apropos tor-resolve
tor-resolve (1)      - resolve a hostname to an IP address via tor</pre></div></div>

<p>Bè credo che sia chiaro&#8230;. quindi digitando semplicemente:</p>

<div class="wp_syntax"><div class="code"><pre class="text" style="font-family:monospace;">$ torify ssh root@a.b.c.d</pre></div></div>

<p>&#8230; avremo la nostra bella shell anonima :)</p>
<p>Una via speculare potrebbe essere quella del programma connect, disponibile su ubuntu e debian come <strong>connect-proxy</strong>:</p>

<div class="wp_syntax"><div class="code"><pre class="text" style="font-family:monospace;">$ ssh -o ProxyCommand=&quot;/usr/bin/connect -S 127.0.0.1:9050 %h %p&quot; root@a.b.c.d</pre></div></div>

<p>Ulteriori riferimenti: <a href="http://psylocibe.noblogs.org/post/2008/07/15/come-aprire-una-connessione-anonima-verso-un-server-con-ssh-e-tor">qui</a><br />
<br />
Alla prossima ;)</p>
]]></content:encoded>
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		<item>
		<title>Installare Tor su BackTrack 4</title>
		<link>http://www.manzotti.eu/installare-tor-su-backtrack-4</link>
		<comments>http://www.manzotti.eu/installare-tor-su-backtrack-4#comments</comments>
		<pubDate>Fri, 27 Mar 2009 18:41:39 +0000</pubDate>
		<dc:creator>manzotti.eu</dc:creator>
				<category><![CDATA[Security]]></category>
		<category><![CDATA[anonima]]></category>
		<category><![CDATA[BackTrack]]></category>
		<category><![CDATA[installare]]></category>
		<category><![CDATA[privoxy]]></category>
		<category><![CDATA[tor]]></category>

		<guid isPermaLink="false">http://manzotti.eu/?p=411</guid>
		<description><![CDATA[Vediamo come installare il Tor su BT4, strumento utile per la navigazione anonima sul web. Perchè tutto funzioni avremo bisogno di: - Tor, il demone; - Privoxy, un proxy locale a cui collegarci; - TorButton, un addons di Firefox per collegare il nostro browser. Dunque apriamo una shell e digitiamo: # apt-get install tor In [...]]]></description>
			<content:encoded><![CDATA[<p>Vediamo come installare il Tor su BT4, strumento utile per la navigazione anonima sul web.<br />
Perchè tutto funzioni avremo bisogno di:<br />
- <span style="text-decoration: underline;"><em>Tor</em></span>, il demone;<br />
- <span style="text-decoration: underline;"><em>Privoxy</em></span>, un proxy locale a cui collegarci;<br />
- <span style="text-decoration: underline;"><em>TorButton</em></span>, un addons di Firefox per collegare il nostro browser.</p>
<p>Dunque apriamo una shell e digitiamo:</p>

<div class="wp_syntax"><div class="code"><pre class="perl" style="font-family:monospace;"><span style="color: #666666; font-style: italic;"># apt-get install tor</span></pre></div></div>

<p>In questo modo installeremo anche Privoxy, poichè risulta essere una dipendenza del pacchetto Tor.<br />
Dunque, non ci resta che installare l&#8217;addons di Firefox presente <a href="https://addons.mozilla.org/en-US/firefox/downloads/latest/2275">qui</a>.<br />
Bene, ora che abbiamo tutti i pacchetti necessari, facciamo un minimo di configurazione. In particolare modifichiamo il file di conf di Privoxy presente nel percorso &#8220;/etc/privoxy/config&#8221; proprio come il seguente:</p>

<div class="wp_syntax"><div class="code"><pre class="perl" style="font-family:monospace;"><span style="color: #666666; font-style: italic;"># Generally, this file goes in /etc/privoxy/config</span>
<span style="color: #666666; font-style: italic;">#</span>
<span style="color: #666666; font-style: italic;"># Tor listens as a SOCKS4a proxy here:</span>
forward<span style="color: #339933;">-</span>socks4a <span style="color: #339933;">/</span> 127<span style="color: #339933;">.</span>0<span style="color: #339933;">.</span>0<span style="color: #339933;">.</span>1<span style="color: #339933;">:</span><span style="color: #cc66cc;">9050</span> <span style="color: #339933;">.</span>
confdir <span style="color: #339933;">/</span>etc<span style="color: #339933;">/</span>privoxy
logdir <span style="color: #339933;">/</span>var<span style="color: #339933;">/</span><span style="color: #000066;">log</span><span style="color: #339933;">/</span>privoxy
actionsfile standard  <span style="color: #666666; font-style: italic;"># Internal purpose, recommended</span>
actionsfile default   <span style="color: #666666; font-style: italic;"># Main actions file</span>
actionsfile user      <span style="color: #666666; font-style: italic;"># User customizations</span>
filterfile default<span style="color: #339933;">.</span>filter
&nbsp;
<span style="color: #666666; font-style: italic;"># Don't log interesting things, only startup messages, warnings and errors</span>
<span style="color: #666666; font-style: italic;">#logfile logfile</span>
<span style="color: #666666; font-style: italic;">#jarfile jarfile</span>
<span style="color: #666666; font-style: italic;">#debug   0    # show each GET/POST/CONNECT request</span>
debug   <span style="color: #cc66cc;">4096</span> <span style="color: #666666; font-style: italic;"># Startup banner and warnings</span>
debug   <span style="color: #cc66cc;">8192</span> <span style="color: #666666; font-style: italic;"># Errors - *we highly recommended enabling this*</span>
&nbsp;
user<span style="color: #339933;">-</span>manual <span style="color: #339933;">/</span>usr<span style="color: #339933;">/</span>share<span style="color: #339933;">/</span>doc<span style="color: #339933;">/</span>privoxy<span style="color: #339933;">/</span>user<span style="color: #339933;">-</span>manual
listen<span style="color: #339933;">-</span>address  127<span style="color: #339933;">.</span>0<span style="color: #339933;">.</span>0<span style="color: #339933;">.</span>1<span style="color: #339933;">:</span><span style="color: #cc66cc;">8118</span>
toggle  <span style="color: #cc66cc;">1</span>
enable<span style="color: #339933;">-</span>remote<span style="color: #339933;">-</span>toggle <span style="color: #cc66cc;">0</span>
enable<span style="color: #339933;">-</span>edit<span style="color: #339933;">-</span>actions <span style="color: #cc66cc;">0</span>
enable<span style="color: #339933;">-</span>remote<span style="color: #339933;">-</span>http<span style="color: #339933;">-</span>toggle <span style="color: #cc66cc;">0</span>
buffer<span style="color: #339933;">-</span>limit <span style="color: #cc66cc;">4096</span></pre></div></div>

<p>Riavviamo i servizi e Firefox:</p>

<div class="wp_syntax"><div class="code"><pre class="perl" style="font-family:monospace;"><span style="color: #666666; font-style: italic;"># /etc/init.d/tor start</span>
Raising maximum number of filedescriptors <span style="color: #009900;">&#40;</span>ulimit <span style="color: #339933;">-</span>n<span style="color: #009900;">&#41;</span> to <span style="color: #cc66cc;">32768</span><span style="color: #339933;">.</span>
Starting tor daemon<span style="color: #339933;">:</span> tor<span style="color: #339933;">...</span>
Mar <span style="color: #cc66cc;">27</span> <span style="color: #cc66cc;">19</span><span style="color: #339933;">:</span><span style="color: #cc66cc;">31</span><span style="color: #339933;">:</span><span style="color: #cc66cc;">23.179</span> <span style="color: #009900;">&#91;</span>notice<span style="color: #009900;">&#93;</span> Tor v0<span style="color: #339933;">.</span>2<span style="color: #339933;">.</span>0<span style="color: #339933;">.</span>31 <span style="color: #009900;">&#40;</span>r16744<span style="color: #009900;">&#41;</span><span style="color: #339933;">.</span> This is experimental software<span style="color: #339933;">.</span> Do <span style="color: #b1b100;">not</span> rely on it <span style="color: #b1b100;">for</span> strong anonymity<span style="color: #339933;">.</span> <span style="color: #009900;">&#40;</span>Running on Linux i686<span style="color: #009900;">&#41;</span>
Mar <span style="color: #cc66cc;">27</span> <span style="color: #cc66cc;">19</span><span style="color: #339933;">:</span><span style="color: #cc66cc;">31</span><span style="color: #339933;">:</span><span style="color: #cc66cc;">23.180</span> <span style="color: #009900;">&#91;</span>notice<span style="color: #009900;">&#93;</span> Initialized libevent version 1<span style="color: #339933;">.</span>3e using method epoll<span style="color: #339933;">.</span> Good<span style="color: #339933;">.</span>
Mar <span style="color: #cc66cc;">27</span> <span style="color: #cc66cc;">19</span><span style="color: #339933;">:</span><span style="color: #cc66cc;">31</span><span style="color: #339933;">:</span><span style="color: #cc66cc;">23.181</span> <span style="color: #009900;">&#91;</span>notice<span style="color: #009900;">&#93;</span> Opening Socks listener on 127<span style="color: #339933;">.</span>0<span style="color: #339933;">.</span>0<span style="color: #339933;">.</span>1<span style="color: #339933;">:</span><span style="color: #cc66cc;">9050</span>
done<span style="color: #339933;">.</span>
<span style="color: #666666; font-style: italic;"># /etc/init.d/privoxy start</span>
Starting filtering proxy server<span style="color: #339933;">:</span> privoxy<span style="color: #339933;">.</span></pre></div></div>

<p>A questo punto abilitiamo l&#8217;addons di Firefox e controlliamo che il tutto funzioni collegandoci a questo <a href="https://check.torproject.org/">link</a>.<br />
Se vi ritorna una scritta verde indicando che il Tor è abilitato allora funziona, altrimenti provate a seguire la guida ufficiale <a href="https://www.torproject.org/docs/tor-doc-unix.html.it">qui</a>.</p>
<p>Buona navigazione!</p>
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