On 2023-03-27 12:48:13 +0100, Richmond wrote: > I have configured an ipv6 tunnel. If I visit this site: > > http://ip6.me/ > > The "normal" test shows my ipv4 address, and the: > > http://ip6only.me/ > > shows the ipv6 address. > > However if I switch my DNS from opendns to the one provided by my ISP > and then run the "normal" test it shows the ipv6. > > The note says: > > (preference depends on your OS/client) > > So how is the preference determined? It seems to be determined by the > DNS, but why or how do I tell for example with host -v?
It appears to be random (based on past tests). But one can set the preference via "/etc/gai.conf". In particular: # For sites which prefer IPv4 connections change the last line to # #precedence ::ffff:0:0/96 100 I had to uncomment this line in the past when I had IPv6 issues. -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
