On Sat 18 Aug 2018 at 13:46:31 -0400, Stephen P. Molnar wrote: > > > On 08/18/2018 11:51 AM, Reco wrote: > > Hi. > > > > On Sat, Aug 18, 2018 at 11:13:04AM -0400, Stephen P. Molnar wrote: > > > > > > On 08/18/2018 10:20 AM, Dan Ritter wrote: > > > > On Sat, Aug 18, 2018 at 08:15:12PM +1000, David wrote: > > > > > 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. > > > > Two cents says that he doesn't have upstream IPv6 connectivity. > > > > > > > > If ping6 fails for both prod.debian.map.fastly.net and > > > > www.google.com, that's a decent indicator I'm right. > > > > > > > > Then the question is whether he expects to have IPv6 > > > > connectivity (and so it's broken) or whether he doesn't (and we > > > > should tell Debian to stop using it). > > > > > > > Thank for the reply. > > > > > > Where can I send the two cents? It looks as if that's correct. > > > > > > The installer installed ipv6 without giving me any choice about the > > > matter. > > Don't blame the installer for that. The way IPv6 is provided there's > > nothing to configure on your host (and there's nothing to blame here > > either). > > You network hardware (aka router), on the other hand, most surely > > advertizes IPv6 prefix. So put the blame there or on your ISP. > > > > > How do I get rid of ipv6 and replace it WITH ipv4? > > 1) Delicate way of doing it (apply after each boot): > > > > ip6tables -I INPUT ! -o lo -p icmp6 --icmpv6-type 134 -j DROP > > > > 2) Hardcore way of doing it (ditto): > > > > sysctl -qw net.ipv6.conf.all.disable_ipv6=1 > > > > 3) Right way of doing things: > > > > Fix your router. > > > > Reco > > > > > > According to my AT&T BGW210 Router both ipv4 amd 1pv6 are active
What does 'ip a' give you? And 'ping -c www.debian.org? -- Brian.