On 2019-06-01 20:22:39 +0200, Markus Elfring wrote: > >> I would expect that the IPv4 address from such a connection attempt > >> would be automatically converted to a IPv6 loopback address. > > > > You haven't said which OS you are using, but as far as I know this > > expectation will be frustrated at least on Linux: There ::1 and > > 127.0.0.1 are distinct addresses. > > How does this view fit to information from the Linux programmer's manual? > See also: command “man 7 ipv6”
Which specific information in that man page contradicts what what I
wrote?
If you think of
| IPv4 connections can be handled with the v6 API by using the
| v4-mapped-on-v6 address type; thus a program needs to support only
| this API type to support both protocols.
please note that 127.0.0.1 mapped to IPv6 is ::7f00:1, not ::1. So you
still need to bind to two addresses.
hp
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_ | Peter J. Holzer | we build much bigger, better disasters now
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