Autore Topic: TorWall: Transparent Tor for Windows  (Letto 641 volte)

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Offline Flavio58

TorWall: Transparent Tor for Windows
« Risposta #1 il: Marzo 16, 2018, 12:08:12 pm »
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TorWall: Transparent Tor for Windows




Tallow has several applications, including:

“Tor-ifying” applications there were never designed to use Tor
Filter circumvention — if you wish to bypass a local filter and are not so concerned about anonymity
Better-than-nothing-Tor — Some Tor may be better than no Tor.
Note that, by itself, Tallow is not designed to be a complete strong anonymity solution.

Technical
Tallow uses the following configuration to connect to the Internet:

+-----------+        +-----------+        +----------+
|    PC     |------->|    TOR    |------->|  SERVER  |
|  a.b.c.d  |<-------|  a.b.c.d  |<-------|  x.y.z.w |
+-----------+        +-----------+        +----------+
 

 

Here (a.b.c.d) represents the local address, and (x.y.z.w) represents a remote server.

Tallow uses WinDivert to intercept all traffic to/from your PC. Tallow handles two main traffic types: DNS traffic and TCP streams.

DNS queries are intercepted and handled by Tallow itself. Instead of finding the real IP address of a domain, Tallow generates a pseudo-random “fake” domain (in the range 44.0.0.0/24) and uses this address in the query response. The fake-IP is also associated with the domain and recorded in a table for later reference. The alternative would be to look up the real IP via the Tor (which supports DNS). However, since Tallow uses SOCKS4a the real IP is not necessary. Handling DNS requests locally is significantly faster.

TCP connections are also intercepted. Tallow “reflects” outbound TCP connects into inbound SOCKS4a connects to the Tor program. If the connection is to a fake-IP, Tallow looks up the corresponding domain and uses this for the SOCKS4a connection. Otherwise, the connection is blocked (by default) or a SOCKS4 direct connection via Tor is used. Connecting TCP to SOCKS4(a) is possible with a bit of magic (see redirect.c).

All other traffic is simply blocked. This includes all inbound (non-Tor) traffic and outbound traffic that is not TCP nor DNS. In addition, Tallow blocks all domains listed in the hosts.deny file. This includes domains such as Windows update, Windows phone home, and some common ad servers, to help prevent Tor bandwidth wastage. It is possible to edit and customize your hosts.deny file as you see fit.

Note that Tallow does not intercept TCP ports 9001 and 9030 that are used by Tor. As a side-effect, Tallow will not work on any other program that uses these ports.

Download https://reqrypt.org/tallow.html

Usage
Using the Tallow GUI, simply press the big “Tor” button to start redirecting traffic via the Tor network. Press the button again to stop Tor redirection. Note that your Internet connection may be temporarily interrupted each time you toggle the button.

Warnings
Currently Tallow makes no attempt to anonymize the content of traffic sent through the Tor network. This information may be used to de-anonymize you. See this link for more information. Tallow should not be relied on for strong anonymity unless you know what you are doing.



Consulente in Informatica dal 1984

Software automazione, progettazione elettronica, computer vision, intelligenza artificiale, IoT, sicurezza informatica, tecnologie di sicurezza militare, SIGINT. 

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