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Re: [tor-dev] ExitPortStatistics interpretation



On 29/01/17 17:12, nusenu wrote:
> Karsten Loesing:
>> Those are the 10 ports with the highest number of (written and read)
>> bytes, unrelated to the number of stream.  And all lines below report
>> statistics for these 10 ports plus "other".
> 
> Oh thanks, so it is not possible to find out which is the most frequent
> exit port by number of streams opened, that's a pity.

Well, that one is easy: port 80. :)

$ wget
https://collector.torproject.org/recent/relay-descriptors/extra-infos/2017-01-29-16-05-00-extra-infos
$ grep exit-streams 2017-01-29-16-05-00-extra-infos | sort | uniq
exit-streams-opened
43=1008,53=588,80=243856,110=16,143=12,443=181796,993=36,995=32,8080=116,8443=52,other=4
exit-streams-opened
43=1348,80=158920,81=132,443=84212,554=16,3389=1064,6669=60,8000=48,8080=128,8333=24,other=1820
exit-streams-opened
43=1460,80=204496,81=184,443=99272,554=12,563=828,995=16,1500=1428,8080=144,8333=36,other=2320
exit-streams-opened
43=1676,80=139148,81=108,443=73020,3389=1876,6669=180,8080=120,8333=32,8443=272,11371=4,other=1372
exit-streams-opened
43=460,80=100744,443=55304,995=16,1500=572,3389=860,8000=20,8080=48,8333=20,9999=4,other=916
exit-streams-opened
43=716,80=137808,81=64,443=62068,563=32,1500=584,3389=1572,8080=144,8087=36,8333=16,other=1064
exit-streams-opened
80=1306188,81=1404,182=120,443=1133872,5000=328,8080=11324,24188=12,35485=4,45684=4,51413=2536,other=143596
exit-streams-opened
80=252636,443=132288,554=20,1500=1284,3389=2000,6669=148,8000=100,8080=144,8333=44,8443=860,other=4252
exit-streams-opened
81=2052,119=84,182=1620,8001=200,8080=62488,8182=428,8333=184,33480=60,33486=32,40038=12,other=64732
exit-streams-opened other=0

Okay, in the last line we can't say this.  But in all other lines the
"other" entry has fewer streams than port 80 which is among the top 10.
Only the last line does not include port 80, and the "other" entry has
more streams than top-1 port 8080.  Could be that this relay does not
permit exiting to port 80.  Or that port 80 was 11th or 12th in terms of
bytes.

Hope this is useful anyway.

All the best,
Karsten


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