[tor-relays] New tor relay, some questions

Sebastian Urbach sebastian at urbach.org
Mon Mar 17 15:24:57 UTC 2014


Great that it finally worked out, welcome to thd brother/sisterhood. And 
btw. what are you doing with my mail signature ? That seems to be the more 
important issue to me ;-)))


just wanted to inform you that I could resolve the issue simply by
deleting the tor data folder (thus getting a new fingerprint).

PS: I actually replied to Bryan, but forgot to CC tor-relays. Sadly I
can't find the message anymore, otherwise I would have resent it.

On 03/13/2014 11:08 PM, Tobias Markus wrote:
> Hi,
> sorry for replying rather late!
> In response to 1): Thinking about it, I think the main (possible)
> problem is that my MTA is rejected by SMTP servers it connects to
> because of a Tor blacklist. Is this probable? Has someone got
> experience running a complete mail system and a (public) Tor relay on
> the same host/IP?
> About 2): That is indeed very unfortunate, but at the same time a reason
> to start contributing to Tor! (Sadly, I am presently occupied by various
> other projects, but I think Tor is definitely worth a 'visit'.)
> Now about something else. I recently had to restart my server for
> unrelated reasons. (The relay had the Guard and Stable flag at that
> time.) I sadly forgot to add the Tor service to the default runlevel, so
> it was not started at boot time. I went to bed thinking everything was
> OK and was only able to start Tor about 12 hours later. Unfortunately,
> my relay got no flags since then -- not even "Running"!
> The Tor consensus website confirms this: Three Auths voted for all
> previous/normal flags except Guard, the others only for Valid and V2Dir
> leading to my relay getting no flags! I cannot really explain this to
> myself. What is going on here?
> Tobias
> On Sun, Mar 02, 2014 at 07:32:17PM +0100, Moritz Bartl wrote:
>> On 03/02/2014 04:06 PM, Tobias Markus wrote:
>>> I've been running a new tor relay for about a week now
>> Great. Thank you!
>>> 1) I plan on running other services than tor on my server, including a
>>> (private) mail system. Other than the general possibility of tor having
>>> security holes and my server (and its IP address) being public and thus
>>> possibly target of attacks, are there security implications I should
>>> consider?
>> Unfortunately, many sites block Tor relay IPs regardless of their exit
>> policy. So, if you share one IP between the relay and other services,
>> your might be impacted. This is especially true for exit relays.
>>> 2) I would be interested to eventually run a directory/bandwith
>>> authority, so I read about them in [1] and [2], but the places seemed a
>>> bit odd (hidserv-perf branch in tor svn/torflow repo) so I thought I
>>> better ask here: Would I really just have to follow the steps in [1]
>>> to become a dirauth? Is there currently a need for auths, would
>>> contribution be welcomed?
>> The offer is well appreciated. In the current design, directory
>> authorities and bandwidth authorities play a very special role. There
>> are several ideas on how to improve the situation and then open
>> participation to the broader community, but for the time being,
>> authorities can only be run by people very close to the core dev team.

Tobias Markus

"They who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
        -- Benjamin Franklin (1706-1790)

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