<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><span></span></div><div><div><div><br></div></div><div>On 5 Jul 2018, at 20:06, nusenu <<a href="mailto:nusenu-lists@riseup.net">nusenu-lists@riseup.net</a>> wrote:<br><br></div><blockquote type="cite"><div><span>Roger Dingledine:</span><br><blockquote type="cite"><span>It looks like around 844 Guard relays are listening on port 443 right now,</span><br></blockquote><blockquote type="cite"><span>out of the 1858 available Guard relays.</span><br></blockquote><span></span><br><span>guard probability for all guards having ORPort on 80 or 443: </span><br><span>45.99%</span><br><br><span>guard probability per ORPort:</span><br><span></span><br><span>+---------+-------------------+</span><br><span>| or_port | guard_probability |</span><br><span>+---------+-------------------+</span><br><span>| 443 | 44.4 |</span><br><span>| 9001 | 39.1 |</span><br><span>| 80 | 1.5 |</span><br><span>| 9002 | 1.3 |</span><br><span>| 8080 | 1.1 |</span><br><span>| 8443 | 0.9 |</span><br><span>+---------+-------------------+</span><br><span></span><br><span>(onionoo data as per 2018-07-05 07:00 UTC)</span><br><span></span><br><blockquote type="cite"><span>(*) Actually, before Tor starts attempting to reach Guards, it first</span><br></blockquote><blockquote type="cite"><span>needs to bootstrap the consensus document from either the directory</span><br></blockquote><blockquote type="cite"><span>authorities or the fallback directory servers -- but they have a pretty</span><br></blockquote><blockquote type="cite"><span>similar distribution of ports they listen on.</span><br></blockquote><span></span><br><span>unfortunately onionoo does not have fallbackdir data, so I can't</span><br><span>provide the same table as above for fallbacks without</span><br><span>creating it myself first</span><br></div></blockquote><div><br></div>Here's the list of fallbacks, if you'd like to run a script on it:</div><div><a href="https://gitweb.torproject.org/tor.git/tree/src/or/fallback_dirs.inc">https://gitweb.torproject.org/tor.git/tree/src/or/fallback_dirs.inc</a><br><div><br></div><div>The script that selects fallbacks also logs the ports that fallbacks are on.</div><div>For the current list, we ran the script twice, and merged the lists:</div><pre style="word-wrap: break-word;"><pre style="word-wrap: break-word;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">75/143 = 52% of fallbacks are on IPv4 ORPort 443</span></font></pre><pre style="word-wrap: break-word;"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0); font-family: UICTFontTextStyleTallBody;">49/143 = 34% of fallbacks are on IPv4 ORPort 9001</span></pre><pre style="word-wrap: break-word;"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0); font-family: UICTFontTextStyleTallBody;">19/143 = 13% of fallbacks are on other IPv4 ORPorts</span></pre><pre style="word-wrap: break-word;"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0); font-family: UICTFontTextStyleTallBody;">18/48 = 38% of IPv6 fallbacks are on IPv6 ORPort 443</span></pre><pre style="word-wrap: break-word;"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0); font-family: UICTFontTextStyleTallBody;">15/48 = 31% of IPv6 fallbacks are on IPv6 ORPort 9001</span></pre><pre style="word-wrap: break-word;"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0); font-family: UICTFontTextStyleTallBody;">15/48 = 31% of IPv6 fallbacks are on other IPv6 ORPorts</span></pre></pre><div><a href="https://trac.torproject.org/projects/tor/attachment/ticket/24801/fallback_dirs_2018_01_06_CA.log">https://trac.torproject.org/projects/tor/attachment/ticket/24801/fallback_dirs_2018_01_06_CA.log</a></div><div><br></div><div><pre style="word-wrap: break-word;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">73/139 = 53% of fallbacks are on IPv4 ORPort 443</span></font></pre><pre style="word-wrap: break-word;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">49/139 = 35% of fallbacks are on IPv4 ORPort 9001</span></font></pre><pre style="word-wrap: break-word;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">17/139 = 12% of fallbacks are on other IPv4 ORPorts</span></font></pre><pre style="word-wrap: break-word;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">18/46 = 39% of IPv6 fallbacks are on IPv6 ORPort 443</span></font></pre><pre style="word-wrap: break-word;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">13/46 = 28% of IPv6 fallbacks are on IPv6 ORPort 9001</span></font></pre><pre style="word-wrap: break-word;"><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">15/46 = 33% of IPv6 fallbacks are on other IPv6 ORPorts</span></font></pre></div><div><a href="https://trac.torproject.org/projects/tor/attachment/ticket/24801/fallback_dirs_2018_01_06_2323_UTC_44aa1adf35_AU.log">https://trac.torproject.org/projects/tor/attachment/ticket/24801/fallback_dirs_2018_01_06_2323_UTC_44aa1adf35_AU.log</a></div></div><div><br></div><div>T</div></body></html>