Thanks for reporting this bug and any supporting documentation. Since
this bug has enough information provided for a developer to begin work,
I'm going to mark it as confirmed and let them handle it from here.
Thanks for taking the time to make Ubuntu better!

** Changed in: atftp (Ubuntu)
       Status: New => Confirmed

** Bug watch added: Debian Bug tracker #484932
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=484932

** Also affects: atftp (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=484932
   Importance: Unknown
       Status: Unknown

** Summary changed:

- Issue with IPv6.
+ no IPv6 support in atftpd, but inetd setting is doing IPv6 thus failure

** Description changed:

  With IPv6 enabled on my only interface (eth0) I get the following error
  via syslog when trying to grab a Cisco IOS file via ATFTPD:
  
  Aug  9 19:14:40 Apollo in.tftpd[3879]: connect from ::ffff:192.168.42.43 
(::ffff:192.168.42.43)
  Aug  9 19:14:40 Apollo atftpd[3879]: Advanced Trivial FTP server started (0.7)
  Aug  9 19:14:40 Apollo atftpd[3879]: connect: Address family not supported by 
protocol
  Aug  9 19:15:02 Apollo last message repeated 4 times
  Aug  9 19:15:10 Apollo in.tftpd[3901]: connect from ::ffff:192.168.42.43 
(::ffff:192.168.42.43)
  Aug  9 19:15:10 Apollo atftpd[3901]: Advanced Trivial FTP server started (0.7)
  Aug  9 19:15:10 Apollo atftpd[3901]: connect: Address family not supported by 
protocol
  Aug  9 19:15:45 Apollo last message repeated 4 times
  Aug  9 19:16:00 Apollo last message repeated 2 times
  
  
  ATFTPD is installed to run via inetd.conf. I had removed all the multicast 
references in the start up script. Once I got IPv6 disabled on my interface I 
was able to download my file. I also tried to bind atftpd to my ipv4 address, 
but that didn't work either. The same error msg was given in my syslog.
+ 
+ :: Solution ::
+ Changing the configuration in /etc/inetd.conf to use udp4 in the atftpd 
option fixes this:
+ 
+ tftp dgram udp4 wait root /usr/sbin/tcpd /usr/sbin/in.tftpd -s
+ /var/lib/tftpboot

-- 
no IPv6 support in atftpd, but inetd setting is doing IPv6 thus failure
https://bugs.launchpad.net/bugs/56302
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