[tor-bugs] #20348 [Metrics/Censorship analysis]: Kazakhstan blocking of vanilla Tor and obfs4, 2016-06

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#20348: Kazakhstan blocking of vanilla Tor and obfs4, 2016-06
-----------------------------------------+--------------------------
 Reporter:  dcf                          |          Owner:
     Type:  project                      |         Status:  reopened
 Priority:  Medium                       |      Milestone:
Component:  Metrics/Censorship analysis  |        Version:
 Severity:  Normal                       |     Resolution:
 Keywords:  censorship block kz          |  Actual Points:
Parent ID:                               |         Points:
 Reviewer:                               |        Sponsor:
-----------------------------------------+--------------------------

Comment (by dcf):

 92.63.88.128:80 has begun refusing connections. Recall that this is the
 server referred to in injected HTTP redirects: `Location:
 http://92.63.88.128/?NTDzLZ`.

 92.63.88.128:22 is still `OpenSSH 6.7p1 Debian 5+deb8u3 (protocol 2.0)`.

 {{{
 nmap -v -Pn -A --defeat-rst-ratelimit -oA %Y%m%d-%H%M%S 92.63.88.128

 Nmap scan report for ip88-128.mwtv.lv (92.63.88.128)
 Host is up (0.36s latency).
 Not shown: 744 filtered ports, 255 closed ports
 PORT   STATE SERVICE VERSION
 22/tcp open  ssh     OpenSSH 6.7p1 Debian 5+deb8u3 (protocol 2.0)
 Aggressive OS guesses: Linux 3.11 - 3.13 (94%), Linux 3.2 - 3.8 (91%),
 IPFire firewa
 ll 2.11 (Linux 2.6.32) (90%), Linux 2.6.32 (90%), Linux 3.12 (90%), Linux
 3.1 - 3.2
 (90%), Linux 2.6.18 - 2.6.22 (89%), IGEL UD3 thin client (Linux 2.6)
 (89%), Linux 2.6.35 (89%), DD-WRT v24-sp1 (Linux 2.4) (89%)
 No exact OS matches for host (test conditions non-ideal).
 Uptime guess: 6.225 days (since Wed Dec 14 21:15:51 2016)

 TRACEROUTE (using port 22/tcp)
 HOP RTT       ADDRESS
 1   286.81 ms 10.11.0.1
 2   284.61 ms 185.120.77.1
 3   284.39 ms telecom.gohost.kz (88.204.195.89)
 4   284.50 ms 212.154.195.97
 5   378.69 ms 92.47.151.204
 6   356.39 ms 95.59.172.11
 7   325.15 ms 95.59.172.19
 8   358.67 ms mosc-mx-1.online.kz (92.47.145.110)
 9   360.67 ms msk-ix2.lattelecom.lv (195.208.208.24)
 10  374.88 ms mx960-vl2000.telenet.lv (91.90.239.21)
 11  360.95 ms 195.13.238.30
 12  361.16 ms ip88-128.mwtv.lv (92.63.88.128)
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20348#comment:172>
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