[tor-talk] How to configure Tor for use a built-in bridge?

[Jonathan Marquardt]

On Sun, Nov 03, 2019 at 01:10:39PM +0000, Jason Long wrote:
> Hello,I installed Tor on Debian 10.1 x86_64 and I want to configure "/etc/tor/torrc" for use built-in bridge obfs4.An idea?

Run (as root):

# apt install obfs4proxy

Add the following lines to torrc:

UseBridges 1
ClientTransportPlugin obfs4 exec /usr/bin/obfs4proxy

Then, you need to add some further bridge lines. I recommend that you don't 
use the "built-in bridges" (they're only built into Tor Browser, not into Tor 
itself), as you need to add the bridges manually anyways. I recommend that you 
go to https://bridges.torproject.org/ and get yourself some bridge 
configuration lines.

Then, add your bridge lines to torrc, but add the string "Bridge " to the 
beginning to each of your lines.

So it looks like this:

Bridge obfs4 154.35.22.10:15937 8FB9F4319E89E5C6223052AA525A192AFBC85D55 cert=GGGS1TX4R81m3r0HBl79wKy1OtPPNR2CZUIrHjkRg65Vc2VR8fOyo64f9kmT1UAFG7j0HQ iat-mode=0
Bridge obfs4 192.99.11.54:443 7B126FAB960E5AC6A629C729434FF84FB5074EC2 cert=VW5f8+IBUWpPFxF+rsiVy2wXkyTQG7vEd+rHeN2jV5LIDNu8wMNEOqZXPwHdwMVEBdqXEw iat-mode=0
Bridge obfs4 109.105.109.165:10527 8DFCD8FB3285E855F5A55EDDA35696C743ABFC4E cert=Bvg/itxeL4TWKLP6N1MaQzSOC6tcRIBv6q57DYAZc3b2AzuM+/TfB7mqTFEfXILCjEwzVA iat-mode=1

If you really want to use the "built-in bridges", those lines can be found 
here: 
https://gitweb.torproject.org/builders/tor-browser-bundle.git/tree/Bundle-Data/PTConfigs/bridge_prefs.js

But again, I don't think you should.
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