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Re: [tor-bugs] #29861 [Obfuscation/Snowflake]: Snowflake is not working right now for some reason
#29861: Snowflake is not working right now for some reason
-----------------------------------+--------------------------
Reporter: cypherpunks | Owner: cohosh
Type: defect | Status: assigned
Priority: Medium | Milestone:
Component: Obfuscation/Snowflake | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by dcf):
Good catch on this. As you found, the cause is a disk full of broker logs.
{{{
$ df -h /
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 5.0G 5.0G 20K 100% /
$ du -sh /var/log/snowflake-broker
4.2G /var/log/snowflake-broker
}}}
The final lines in the log are (the last line is truncated):
{{{
2019/03/22 06:25:54 Proxy HqhbGCj+n6TCwOs/FB0HdA did not receive a Client
offer.
2019/03/22 06:25:54 Received snowflake: HqhbGCj+n6TCwOs/FB0HdA
2019/03/22 06:25:54 Received answer:
}}}
A similar thing happened with the proxy-go logs. comment:6:ticket:28390
describes what we did (rotation and compression) to fix it.
Do you want to try doing those steps here? Or I can do it. Stop the broker
with `sv stop snowflake-broker` so it stops trying to write logs. Then
free up some space; usually `apt autoclean` and `apt autoremove` work.
Compress the old log with `xz -v /var/log/snowflake-broker/current`. Then
modify the service files; on the snowflake bridge host, you can see the
runit changes made in /etc for proxy-go with `git show
18d2e70837f8434827ff2d92f1c1901f7be29569`. Then, you'll also need to edit
the `config` file in /var/log/snowflake-broker/ as shown. Finally restart
with `sv start snowflake-broker`.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29861#comment:7>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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