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* 4271 integrity checking4271-integrity-checking-rebasedaagbsn2012-10-17
| | | | | | Add logging when SSL verification fails, and discard the download TODO: determine if we should make more noise
* 4271 integrity checkingaagbsn2012-10-17
| | | | add import ssl...
* 4271 integrity checkingaagbsn2012-10-17
| | | | | | | It turns out that a self-signed cert will work just fine if it is in the ca_certs file. TODO: find some way of verifying this is the right cert :-)
* 4271 integrity checkingaagbsn2012-10-17
| | | | Place the opener registration call somewhere after the class definition.
* 4271 - add https integrity checkingaagbsn2012-10-17
| | | | | | | | | | | The blog post at: http://thejosephturner.com/blog/2011/03/19/\ https-certificate-verification-in-python-with-urllib2/ describes how to do HTTPS certificate verification with urllib2 Note: it seems that the self-signed cert used does not have a CA; we will need to resolve this.
* Clarify some datapoints.Mike Perry2012-10-11
| | | | I mean hey, maybe not everyone can rollerskate on multidementianal surfaces..
* Clarify that trials are circuit counts in output.Mike Perry2012-10-10
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* Update results file with new output.Mike Perry2012-10-10
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* Add a Guard DoS simulation.Mike Perry2012-10-10
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* Represent false positives as raw counts.Mike Perry2012-10-10
| | | | Also, clarify the startup false positive test.
* Analyze a multidimensional surface? No problem! I rollerskate on that shit.Mike Perry2012-06-20
| | | | | | | This commit provides analysis to guide parameter choices for the path bias defense. It contains a standalone attack and defense simulation script, a results.txt with example output, and an observations.txt with comments to help work towards an answer for #6135.
* Merge remote-tracking branch 'origin/master'Mike Perry2012-04-18
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| * Make the guard sample rate a consensus param.Mike Perry2011-12-15
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| * Be more strict w/ circ failures and fast nodes.Mike Perry2011-12-15
| | | | | | | | | | | | | | | | | | | | | | | | | | We use unfiltered bandwidth because I suspect we're being too generous to fast nodes. To get more feedback, they should have to have spare capacity all the time, not just sometimes. However, gimpy nodes will still get to use filtered bandwidth if we've punished them too much already. Also, circuit failures now target a 0% rate (full success) instead of the network average, but the penalty only applies if you fall below the network average for your node class.
| * Log the network pid error averages.Mike Perry2011-12-15
| | | | | | | | Also, log node class when we cap, and in some other cases.
* | Submodule.Mike Perry2012-04-18
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* And it's INT32_MAX, not UINT32_MAX..Mike Perry2011-12-11
| | | | Too bad python doesn't seem to have constants for either?
* Fix an overflow checkMike Perry2011-12-11
| | | | | | | | Tor internally multiplies our values by 1000, and silently eats the overflow. Why do we bother dividing them by 1000 in the first place? It just causes confusion and bugs.. The git blame log and comments mumble something about consensus diffs, but I think we gave up on those...
* Be merciful in Guard intermediate voting mode.Mike Perry2011-12-09
| | | | Also don't use Wgd in mercy mode or in section2 mode.
* And forgot to reset a var...Mike Perry2011-12-05
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* Fix c_node exception typo.Mike Perry2011-12-05
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* The old code should use circ failures..Mike Perry2011-12-05
| | | | | I think this was added because circ_fail_rate used to get set to 0 by a consensus param that we later changed.
* Always display per-class logs, even if the feature is disabled.Mike Perry2011-12-05
| | | | | I want to try to disable it and see if these become more even or not.
* Improve and demote some noisy loglines.Mike Perry2011-12-04
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* Clean up the spec a tad.Mike Perry2011-12-03
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* Allow us to cap feedback via consensus param.Mike Perry2011-12-03
| | | | Also demote a couple logs, and add a couple more.
* Make the pid target bw actually converge.Mike Perry2011-12-02
| | | | | This seems to only take a few seconds to do.. Expensive, but probably not prohibitively so?
* Be more merciful.Mike Perry2011-12-02
| | | | | We can just check to see if we've previously punished the node by inspecting the previous values directly. Forgot about that.
* Implement mercy, subject to consensus parameter.Mike Perry2011-12-02
| | | | | | If the param is set, we don't accumulate negative pid_error_sum for nodes with negative pid_error. Prevents us from punishing these nodes to 0 bw. The param only makes sense for descriptor-based feedback.
* Add a consensus param to raise the PID setpoint.Mike Perry2011-12-02
| | | | | Intuitively, it seems to make sense to exclude nodes with no chance of reaching the setpoint from consideration.
* Use FastFirstHopPK to get circ fail rates for Guards.Mike Perry2011-12-02
| | | | Otherwise we might not detect CPU overload conditions in them.
* Actually, we should be using min(circ_error,pid_error).Mike Perry2011-12-02
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* Directly use the circ_error if it is negative.Mike Perry2011-12-01
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* Fix variable shadow, and add some logs.Mike Perry2011-12-01
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* Change how circuit failure is used.Mike Perry2011-12-01
| | | | Let's try computing a second error and take their sum.
* Implement per-class setpoints.Mike Perry2011-12-01
| | | | Governed by consensus param (off by default).
* Alter default param values.Mike Perry2011-12-01
| | | | | | These defaults should still be equivalent to Section 2 in the spec, but these values will keep the PID interim state from disappearing every time ides crashes and the consensus params disappear.
* Fix an exception that can happen with very large bandwidths.Mike Perry2011-12-01
| | | | | We have a cap+log warn below that we will hit in this case instead of crashing.
* Use desc bw if consensus bw is missing for some log linesMike Perry2011-11-20
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* Add some notifications for #4359/#2286.Mike Perry2011-11-20
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* Be consistent about Wgd application for Guard+Exit nodes.Mike Perry2011-11-20
| | | | Also correct log line.
* Display a total of previous consensus bw measured in INFO logs.Mike Perry2011-11-20
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* Output git revision.Mike Perry2011-11-20
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* Bug 2014: Provide url to backup bw server.Mike Perry2011-11-20
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* Bug #4330: Have snakeinspector attach files if they existMike Perry2011-11-19
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* Forgot a spec paragraph..Mike Perry2011-11-17
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* Merge branch 'pid_control-rebased'Mike Perry2011-11-17
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| * Let's try turning FetchDirInfo*Early on by default.Mike Perry2011-11-17
| | | | | | | | Memory-only sqlite might make them more bearable.
| * Update spec to include consensus params.Mike Perry2011-11-17
| | | | | | | | | | These are still subject to change, especially in terms of defaults.
| * Allow desc bw to be used in feedback.Mike Perry2011-11-17
| | | | | | | | | | It may be equivalent to NS bw, since the NS bw functions as an accumulator.. We may want to set T_i_decay to 0 for this code.
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