On 18 August 2018 at 05:00, Stephen P. Molnar <s.mol...@sbcglobal.net> wrote: > I have just installed Stretch on a new SSD on my platform. > > During the installation I selected the University of Chicago mirror and > accepted the defaults plus backports. > > When I fun apt-get install Thunderbird apt-get tries to log on to > prod.debian.map.fastly.net (2a04:4E42:2c::2040 and hangs. I can't find that > address anywhere in /etc/apt. Why am I getting this behavior?
As explained at [1], the debian-security repo [2] might be provided to you by fastly.net. Access to the debian-security repo is important because it is the method by which your system will receive future security updates. > Even more > important, how do I get rid of the problem? If by "the problem" you mean the "hang", then you need to investigate why that is occurring. [1] https://deb.debian.org/ [2] specified in your /etc/apt/sources.list file as http://security.debian.org/debian-security/