Re: [tor-relays] Call for setting up new obfs4 bridges

[dmz21@xxxxxxxx]

> On July 19, 2019 at 6:36 AM Ben Riley <blades1000@xxxxxxxxx> wrote:
> 
> 
> Hi,
> 
> Thanks for the reply. Yes, I ran that command way back at the start. I'm
> assuming I don't have to run it every time the machine reboots or updates?
> I ran it again this morning and it made no difference.
> 
> Ah logs, you say that like I know where those are :P
> When I run sudo tail /var/log/tor/log - I get nothing.
> I found the Logs app and run that to get all the system logs - way too much
> stuff and I couldn't move it to here, so I found this command (Google) cat
> /var/log/syslog | grep tor -i and got the following (I think I've included
> 2 set of attempts to boot up):
> 
> Jul 19 14:32:23 ben-OptiPlex-755 Tor[28002]: Starting with guard context
> > "default"
> > Jul 19 14:32:23 ben-OptiPlex-755 Tor[28002]: Signaled readiness to systemd
> > Jul 19 14:32:23 ben-OptiPlex-755 Tor[28002]: Bootstrapped 5% (conn):
> > Connecting to a relay
> > Jul 19 14:32:23 ben-OptiPlex-755 Tor[28002]: Server managed proxy
> > encountered a method error. (obfs4 listen tcp 0.0.0.0:443: bind:
> > permission denied)

I ran (and keep running) into the same problem (but on Debian), even after the fix suggested below.
Could you please try an unused port above 1024, like 8531? That resolved this issue for me.

hope this helps and kind regards.

> > Jul 19 14:32:23 ben-OptiPlex-755 Tor[28002]: Managed proxy at
> > '/usr/bin/obfs4proxy' failed the configuration protocol and will be
> > destroyed.
> > Jul 19 14:32:23 ben-OptiPlex-755 Tor[28002]: tor_assertion_failed_(): Bug:
> > ../src/feature/client/transports.c:1836: managed_proxy_stdout_callback:
> > Assertion mp->conf_state == PT_PROTO_COMPLETED failed; aborting. (on Tor
> > 0.4.0.5 )
> > Jul 19 14:32:23 ben-OptiPlex-755 Tor[28002]: Bug: Assertion mp->conf_state
> > == PT_PROTO_COMPLETED failed in managed_proxy_stdout_callback at
> > ../src/feature/client/transports.c:1836. Stack trace: (on Tor 0.4.0.5 )

(removed rest of log)

> 
> 
> 
> On Fri, Jul 19, 2019 at 1:12 AM Philipp Winter <phw@xxxxxxxxxxxxxx> wrote:
> 
> > On Thu, Jul 18, 2019 at 12:50:34PM +1000, Ben Riley wrote:
> > > Then I saw the above email about being a bridge and thought, fine, I'll
> > > configure it to be a bridge and help out someone.
> > > Tried to do it via the docker/script method, but soon realised that was
> > > outside my skill level (hey stop laughing! :P)
> >
> > Did you run into any specific issues?  If you had troubles following the
> > guide, I'm gonna blame the guide.
> >
> > > Setting ORPort to 443 as suggested.  I forwarded that port on the
> > > router and then tested it, but it said it was closed. So I thought my
> > > router was playing up.  I checked a few other ports using online tools
> > > and a few of them were closed.  I forwarded a new another port to some
> > > other software on another machine and that worked?!  So I realised the
> > > ports are open on the router but closed on the ubuntu machine.  I've
> > > played around with all the settings, changed by torrc file to a really
> > > basic one of:
> >
> > To run obfs4 on port 443, you will have to run the following command, to
> > allow obfs4proxy to bind to port 443:
> >
> >   sudo setcap cap_net_bind_service=+ep /usr/bin/obfs4proxy
> >
> > If you did that already, it would be helpful to see your logs.
> >
> > Cheers,
> > Philipp
> > _______________________________________________
> > tor-relays mailing list
> > tor-relays@xxxxxxxxxxxxxxxxxxxx
> > https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
> >
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