Hi Joel. Where are you getting "Purpose: Ags=is_internal,need_capacity," from? Those values are build flags rather than purposes...
https://stem.torproject.org/api/control.html#stem.CircBuildFlag
Stem should presently document all the values tor can give - all that notice is just letting you know tor reserves the right to add new ones.
As for having circuits, tor constructs circuits on occasion for several purposes such as fetching descriptor data. When you first start tor it constructs some circuits optimistically in case you use it as a client, but those circuits eventually die off if unused. I'm not sure if setting SocksPort to zero prevents optimistic circuit construction (though seems it should since they're then unusable).
Cheers! -Damian
On Fri, Jun 27, 2014 at 9:50 PM, Joel Cretan jcretan@gmail.com wrote:
I'm running a relay that I do not intend to use for anything else, so I set SocksPort to 0. I usually have two or three circuits established anyway, though, so I guess I haven't managed to disable creating those. I'm not sure what they are for. They are always labeled "Purpose: Ags=is_internal,need_capacity,". Several of them seem to get created around the same time, stay open for a while, and then get closed around the same time.
I see some other circuit purposes documented here: https://stem.torproject.org/api/control.html But that documentation indicates that "Tor may provide purposes not in this enum", which is the case here. What are these circuits for, and do I need them?
Here's my torrc: http://pastebin.com/fuQv8B2m Here's my ifconfig output: http://pastebin.com/mxMkhbMj I'm running tor 0.2.4.22 compiled from source (did not specify any options on make) on raspbian wheezy June 2014 with kernel version 3.12.20+.
Thanks, Joel
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