[tor-bugs] #33314 [Internal Services/Services Admin Team]: RT spams TPA with bounces

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Feb 13 16:37:16 UTC 2020


#33314: RT spams TPA with bounces
-------------------------------------------------+-------------------------
     Reporter:  anarcat                          |      Owner:  anarcat
         Type:  defect                           |     Status:  assigned
     Priority:  Very High                        |  Milestone:
    Component:  Internal Services/Services       |    Version:
  Admin Team                                     |   Keywords:  tpa-
     Severity:  Minor                            |  roadmap-february
Actual Points:                                   |  Parent ID:
       Points:                                   |   Reviewer:
      Sponsor:                                   |
-------------------------------------------------+-------------------------
 Since I fixed the root aliases everywhere, we seem to be getting spam mail
 bounced back to the tpa alias, from the root at rude email account.

 It seems that this mail was previously being delivered locally to the
 `nobody` mailbox, which is now a whopping 630MB:

 {{{
 root at rude:/var/mail# ls -al /var/mail/*
 -rw-rw---- 1 amavis        mail      5688 May  4  2016 /var/mail/amavis
 -rw-rw---- 1 nobody        mail 660486247 Feb 12 21:46 /var/mail/nobody
 -rw-rw---- 1 rtmailarchive mail     28174 Sep  1  2016
 /var/mail/rtmailarchive
 }}}

 Since #32283 was deployed, that has stopped growing but instead we're all
 getting spammed with that junk, which isn't much of an improvement. But at
 least those problems will have to get fixed.

 The first problem is messages in the form:

 > From: rt at rt.torproject.org
 > Subject: Failed attempt to create a ticket by email, from <email>
 >
 > <email> attempted to create a ticket via email in the queue help-es; you
 might need to grant 'Everyone' the CreateTicket right.

 We got 23 such emails since the alias was fixed, and this will probably
 just keep going forever.

 I reported this as a bug in the upstream forum, in:

 https://forum.bestpractical.com/t/rt-4-4-too-noisy-with-denied-users/34749

 I also filed this as a bug in Debian:

 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=951272

 and filed a patch in:

 https://github.com/bestpractical/rt/pull/291

 That latter patch is directly applied on rude right now, with:

 {{{
 wget -O ~anarcat/PR-291-no-err-on-deny.patch https://patch-
 diff.githubusercontent.com/raw/bestpractical/rt/pull/291.patch
 cd /usr/share/request-tracker4
 patch -p1 < ~anarcat/PR-291-no-err-on-deny.patch
 }}}

 just skip the `t/` chunk.

 I'll wait and see what feedback I get from upstream and Debian before
 deciding what to do with this in the long term. Options include:

  1. blocking users at the MTA level - requires TPA operation which we'd
 like to avoid, we want to train RT admins to be autonomous
  2. patch the bug in Debian and follow that process to get rude updated in
 the long term
  3. hotfix the Debian package in our archive

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33314>
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