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[tor-relays] Handshake flood now on NTor
Hi,
For about 15 hours straight, my relay was being hammered by
connections/handshakes.
I see lots of these:
Sep 02 01:03:02.000 [warn] Your computer is too slow to handle this many circuit creation requests! Please consider using the MaxAdvertisedBandwidth config option or choosing a more restricted exit policy. [70638 similar message(s) suppressed in last 60 seconds]
Numbers vary between 30000 and 80000 per 60 seconds.
Also the occasional clock jump message and other performance related
messages, and of course, _lots_ of unsuccessful handshakes:
Sep 01 22:31:26.000 [notice] Circuit handshake stats since last time: 5038/5038 TAP, 17771/17773 NTor.
Sep 02 04:31:26.000 [notice] Circuit handshake stats since last time: 3100/3484 TAP, 465565/5417818 NTor.
Sep 02 10:31:26.000 [notice] Circuit handshake stats since last time: 3139/4249 TAP, 679872/8244698 NTor.
Sep 02 16:31:26.000 [notice] Circuit handshake stats since last time: 3884/5294 TAP, 502835/10443735 NTor.
It is a low spec machine.
I've been through episodes like this before, but this time it's
different:
- They are NTor handshakes, where before they would be TAP
handshakes.
- The amount of up and down traffic is pretty balanced, where before
I would get much more down than up during these floods.
- In case it matters: I am now running 0.2.4.23, before I was on
0.2.4.18-RC
It stopped about 4 hours ago. Running normal now.
-Job
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