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Re: [tor-bugs] #24350 [Core Tor/Tor]: A fresh compiled tor does not honor MaxCircuitDirtiness
#24350: A fresh compiled tor does not honor MaxCircuitDirtiness
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Reporter: Zakhar | Owner: (none)
Type: defect | Status: new
Priority: Medium | Milestone:
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by Zakhar):
Here is more investigation !
I set the MaxCircuitDirtiness to 240 (4 minutes) and here is what I get:
{{{
$ while :; do line="$( date +%H:%M ) == $( curl -s --socks5
'127.0.0.1:9050' 'http://whatismyip.akamai.com' )"; echo "$line"; sleep
60; done
14:20 == 37.187.129.166
14:21 == 46.183.218.199
14:22 == 46.183.218.199
14:23 == 46.183.218.199
14:24 == 46.183.218.199
14:25 == 51.15.72.53
14:26 == 162.243.166.137
14:27 == 162.243.166.137
14:28 == 162.243.166.137
14:29 == 162.243.166.137
14:30 == 192.160.102.170
14:31 == 197.231.221.211
14:32 == 197.231.221.211
14:33 == 197.231.221.211
14:34 == 197.231.221.211
14:35 == 93.115.95.202
14:36 == 185.100.86.167
14:37 == 185.100.86.167
14:38 == 185.100.86.167
14:39 == 185.100.86.167
14:40 == 185.104.120.2
14:41 == 204.194.29.4
14:42 == 204.194.29.4
}}}
A very regular pattern where we have 4 minutes on an identity, then 1
minute on another, and the same pattern again.
So I guess, unrelated to tor, there is a parameter either in libevent_dev
or libssl_dev that says: timeout is 5 minutes!
So my compiled tor is indeed reading the MaxCircuitDirtiness, but gets
timeouts/error every 5 minutes that make it switch identity.
Then, unless you have already seen this strange behavior and have a clue
on how to fix it, I think I'll better ask on Ubuntu/Debian related forums
since they apparently have already fixed it.
Although if such tricks are "well known", it would be better to document
them in tor's "build how-to"... along with any other "wel known" nasty
tricks we might have once I'll have figured out where does this 5 minutes
timeout comes from!
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24350#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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