The only downside is that the tinyproxy that sits in Ubuntu 12.04 does not listen on both IPv4 and IPv6 at the same time
Hopefully this will be resolved soon...
2013-01-04 Shame on me... I didn't test properly , but tinyproxy does work on both protocols
I assumed that this result:
netstat -tlnpvw | grep tinyproxy
tcp6 0 0 :::8888 :::* LISTEN 3946/tinyproxy
meant that it didn't listen on v4... but I was wrong.
#This will accept connections on IPv6, but also on IPv4: IPv4-mapped IPv6 addresses are used:
#CONNECT Jan 04 15:29:13 : Connect (file descriptor 6): host.terena.org [::ffff:126.96.36.199]
# This will listen on IPv4 only
# This will listen only on the specified IPv6 address. Not nice, but workable.
Coda 2 drops support for IPv6