-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Roger Dingledine: > On Thu, Aug 29, 2013 at 11:30:33PM -0400, krishna e bera wrote: >> On 13-08-29 10:35 PM, Gordon Morehouse wrote: >>> What on earth is causing so many circuit creation requests in >>> such a short timespan?
[snip] > As for the circuit create storm phenomenon... if this is in fact a > botnet signing up the million new users, and they're connecting to > a hidden service C&C site, then I would expect even fiercer create > storms. > > See also https://trac.torproject.org/projects/tor/ticket/9574 Hi Roger, and thanks for taking the time to respond. I've definitely seen an increase in the storms compared to the baseline I established on my Raspberry Pi after upgrading to 0.2.4.16-rc; but so far only one crash. There has been a ripple or two on my bigger VPS relays. If I could bug you for a sec, I do have some questions about how circuit creation works in Tor. I hope you have a moment to answer. The full message is at: https://lists.torproject.org/pipermail/tor-relays/2013-August/002589.html Here is the main set of questions (the "numbers" are in the full message): > My main question: How do circuit creation requests on one's Tor > relay cause load on one's network infrastructure? Is it DNS > requests? Is it TCP connection state entries? It's not bandwidth, > we observed that above, and my router can handle far faster pipes > than the one it's on currently. The DNS failing is a sign that the > router is under severe stress. Back in the 0.2.3.x days, I often > had to reboot the *router* after one of these storms, not just the > Tor relay. > > And again - do we really know what is causing this? Something > seems seriously wrong with the kind of numbers I'm seeing coming in > to a node with MaxAdvertisedBandwidth 250KB. Thanks much, - -Gordon M. -----BEGIN PGP SIGNATURE----- iQEcBAEBCgAGBQJSIqe3AAoJED/jpRoe7/ujFKsH/A6zDg7QnvWF+n+hqFFao890 RO6BqcVnwgfqYaHNvgeQy+8IX16OT+4ccdmXWqAqa7LoJKTzXkAG9X2pQ60V5wNx PfeXR/sf9N0ZEiQFrC4mhJB+n7RImjiDflpgMKZnVUnGdalRG/b8ht2hpcAf/PfE RCqPn0DzEwOQUav8sG1pkc0Ii3iu1Xuo288lHjwElXEBo6SSMZ21X2EPUxJPCFtd Qp4TJ+pVYf6RJPX1amYdEbVcAGlIYELVXo4opSiqc4Bklng2vrZYwwpUU2KRWjqx Fq3CcKa+naXFm4JZXn8FtqrEb8LZhObOFDrjD6MlxPuwBL0GN9SOrV205ByJ+Sk= =s+9T -----END PGP SIGNATURE----- _______________________________________________ tor-relays mailing list [email protected] https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
