[Bug 241305] Re: security.ubuntu.com not accessible in IPv6 (AAAA record missing in the DNS)

Ronny Roethof 241305 at bugs.launchpad.net
Tue Jan 24 16:30:50 UTC 2012


Dear Canonical,

It's YEARS later now.. IPv6 is commonly used now too..
And still no simple AAAA records ??

if you can't get IPv6 to work, then at least create a lame :fff:: hybrid
AAAA record.. ok it's lame, but then AT LEAST it resolvs to IPv4..

Come on, this is fucking ridiculous..

R

posted on the ubuntu.com RT as well.

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https://bugs.launchpad.net/bugs/241305

Title:
  security.ubuntu.com not accessible in IPv6 (AAAA record missing in the
  DNS)

Status in “update-manager” package in Ubuntu:
  Invalid

Bug description:
  Dear,

  The apt source list for security update is by default configured  to
  security.ubuntu.com.

  When you have a system using only IPv6 (and having not access to IPv4 via NAT-PT),
  security.ubuntu.com is only reachable in IPv4. 

  It would be wise to configure an AAAA record to security.ubuntu.com to at least
  point to one of the many mirrors supporting IPv6 connectivity.

  That would avoid system running natively in IPv6 to lack by default the security
  update.

  Thanks a lot,

  Kind regards

  PS : I checked this as being a security vulnerability but this is more a configuration issue
  on the Ubuntu network infrastructure than a real security vulnerability:
   

  A DNS AAAA request :

  
  dig -t AAAA security.ubuntu.com

  ; <<>> DiG 9.4.1-P1 <<>> -t AAAA security.ubuntu.com
  ;; global options:  printcmd
  ;; Got answer:
  ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26872
  ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

  ;; QUESTION SECTION:
  ;security.ubuntu.com.           IN      AAAA

  ;; AUTHORITY SECTION:
  ubuntu.com.             3600    IN      SOA     ns1.canonical.com. hostmaster.canonical.com. 2008061805 10800 3600 604800 3600

  ;; Query time: 134 msec
  ;; SERVER: 127.0.0.1#53(127.0.0.1)
  ;; WHEN: Thu Jun 19 15:17:39 2008
  ;; MSG SIZE  rcvd: 98

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