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I have a strange problem on ipv6 connection.
I write down a simple client server in Java, it works perfectly in ipv4 but when I try to use it with an Ipv6 address I receive a
“java.net.SocketException: Permission denied”.
If I try to run on the same machine client and server it works with ipv4 and ipv6 as well so i think that is a O.S. problem.
Some informations:
Ping6 works between machines
Iptables is stopped
O.s. is RedHat 6.2
Any ideas?
Thanks
Antonio
I found the problem. There are two firewalls running as default on RHEL. I simply shutted down the IPv6 iptables.
service ip6tables stop