Hello,
after implementing an ipv6 mode in my bittorrent tracker software
opentracker I got lot of complaints from linux users (unfortunally
thepiratebay being one of them) telling me that using the software in
v4-mode stopped working when they specified the ip address 0.0.0.0
This seems to be due to the linux kernel handling some v6-mapped v4
addresses differently, with 0.0.0.0 being one of them.
Now - developing under FreeBSD and OSX - I loved the fact that I would not
need to worry about what kind of socket I've created, if I could just make
all sockets bind to v4 addresses by using the v6-mapped v4 address in v4
mode. In other words: I could use the same API in both modes and just
expand v4 addresses by prefixing them.
So it came to me as a surprise that it wouldn't work under linux. Is this
behaviour intentional? What would I need to do to get my software runnnig
as expected?
Regards and thanks in advance,
erdgeist
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