[tor-dev] Idle connections in netstat

[Angus Gardner]

Hi,

 

I am fairly new to Tor and have been running a relay for a couple of weeks.

I have configured a RelayBandwithRate of only 100 KB and so only see a few
active connections at any one time.

 

Recently I have been noticing, in netstat output, a high level of
established but idle TCP connections to other tor-hosts.

(Out of 96 ESTABLISHED connections there are 90 with Recv-Q & Send-Q of 0.)

 

Is this part of the rolling connection set of this host or something else?

 

Eg:

#netstat -e 

Active Internet connections (w/o servers)

Proto Recv-Q Send-Q Local Address           Foreign Address         State
User       Inode    

...

tcp        0      0 my.ip:55528 digi00299.digicube:9001
ESTABLISHED tor        449100     

tcp        0      0 my.ip:56308 tor01.spacedump.ne:9001        ESTABLISHED
tor        440912     

tcp        0      0 my.ip:57934 torsrvo.snydernet:https
ESTABLISHED tor        443309     

tcp        0      0 my.ip:9001 tor18.anonymizer.:57588             TIME_WAIT
root       0          

tcp        0      0 my.ip:46943 tor.parad0x.org:https
ESTABLISHED tor        449313     

tcp        0      0 my.ip:9001 vodka.projekt16.b:51520
ESTABLISHED tor        449337     

tcp        0      0 my.ip:9001 gamma.rueckgr.at:39215
ESTABLISHED tor        449218     

tcp        0      0 my.ip:44622 dannenberg.ccc.de:https          ESTABLISHED
tor        431598     

tcp        0      0 my.ip:39656 torsrvn.snydernet:https
ESTABLISHED tor        446435     

tcp        0      0 my.ip:9001 76.72.169.90:40606
TIME_WAIT   root       0          

tcp        0    93 my.ip:9001 torproxy10.teamcy:58154           ESTABLISHED
tor        449452     

tcp        0      0 my.ip:60081 v-603-kalfa-23-10:https
ESTABLISHED tor        448047     

tcp        0   1846 my.ip:35776 tor5.anonymizer.c:https        ESTABLISHED
tor        440943     

.

 

Cheers,

Gus

 

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