[tor-bugs] #23617 [Internal Services/Service - trac]: Connectivity issues with trac.torproject.org

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#23617: Connectivity issues with trac.torproject.org
--------------------------------------------------+-----------------
     Reporter:  hellais                           |      Owner:  qbi
         Type:  defect                            |     Status:  new
     Priority:  Medium                            |  Milestone:
    Component:  Internal Services/Service - trac  |    Version:
     Severity:  Normal                            |   Keywords:
Actual Points:                                    |  Parent ID:
       Points:                                    |   Reviewer:
      Sponsor:                                    |
--------------------------------------------------+-----------------
 This may be related to
 https://trac.torproject.org/projects/tor/ticket/23325.

 Since today I have started having connectivity issues with
 trac.torproject.org from Vodafone Italia.

 {{{
 % dig A trac.torproject.org

 ; <<>> DiG 9.8.3-P1 <<>> A trac.torproject.org
 ;; global options: +cmd
 ;; Got answer:
 ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19433
 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

 ;; QUESTION SECTION:
 ;trac.torproject.org.           IN      A

 ;; ANSWER SECTION:
 trac.torproject.org.    767     IN      CNAME   troodi.torproject.org.
 troodi.torproject.org.  767     IN      A       138.201.212.227

 ;; Query time: 37 msec
 ;; SERVER: 8.8.8.8#53(8.8.8.8)
 ;; WHEN: Fri Sep 22 10:12:52 2017
 ;; MSG SIZE  rcvd: 74

 % telnet 138.201.212.227 80
 Trying 138.201.212.227...
 telnet: connect to address 138.201.212.227: Operation timed out
 telnet: Unable to connect to remote host

 % telnet 138.201.212.227 443
 Trying 138.201.212.227...
 telnet: connect to address 138.201.212.227: Operation timed out
 telnet: Unable to connect to remote host

 % curl --connect-timeout 10 https://trac.torproject.org
 curl: (28) Connection timed out after 10004 milliseconds


 % sudo mtr -b -w 138.201.212.227
 Start: 2017-09-22T10:17:20+0200
 HOST: sony-vaio.local                                 Loss%   Snt   Last
 Avg  Best  Wrst StDev

 [... SNIP ]

   3.|-- net-2-39-247-1.cust.vodafonedsl.it (2.39.247.1)  0.0%    10    9.5
 9.9   9.1  11.2   0.6
   4.|-- 83.224.40.134                                    0.0%    10    9.6
 10.5   9.6  11.9   0.6
   5.|-- 83.224.40.133                                    0.0%    10   10.4
 10.5   9.9  11.6   0.5
   6.|-- voda-it-gw1.cw.net (195.89.99.134)               0.0%    10   10.1
 9.9   9.4  10.4   0.3
   7.|-- ae6-xcr1.mlb.cw.net (195.2.28.225)               0.0%    10   29.5
 40.6  28.1 143.8  36.3
   8.|-- ae51-xcr1.fix.cw.net (195.2.2.158)               0.0%    10   28.9
 31.3  27.6  50.4   7.3
   9.|-- ae1-xcr1.fri.cw.net (195.2.9.237)                0.0%    10   27.3
 30.4  27.3  52.0   7.6
  10.|-- ???                                             100.0    10    0.0
 0.0   0.0   0.0   0.0
 }}}

 It seems like there is 100% packet loss after the 195.2.9.237 hop.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23617>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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