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This is the userspace counterpart of a recently submitted kernel enhancement[1] to allow for iproute/ss to display the IPV6_V6ONLY sockopt state of listening AF_INET6 sockets.
This is the necessary upstream commit to be backported:
commit f32dc7467fee0b9e55c3fc6e2895d62e881dec55
Author: Phil Sutter <phil>
Date: Wed Jun 24 13:07:20 2015 +0200
ss: print value of IPV6_V6ONLY socket option if set
If available and set, print 'v6only:1' for AF_INET6 sockets upon request
of extended information. For IPv6 sockets bound to in6addr_any, this is
the only way to determine if they will also accept IPv4 requests or not.
Signed-off-by: Phil Sutter <phil>
[1]: https://bugzilla.redhat.com/show_bug.cgi?id=1075816
This is the userspace counterpart of a recently submitted kernel enhancement[1] to allow for iproute/ss to display the IPV6_V6ONLY sockopt state of listening AF_INET6 sockets. This is the necessary upstream commit to be backported: commit f32dc7467fee0b9e55c3fc6e2895d62e881dec55 Author: Phil Sutter <phil> Date: Wed Jun 24 13:07:20 2015 +0200 ss: print value of IPV6_V6ONLY socket option if set If available and set, print 'v6only:1' for AF_INET6 sockets upon request of extended information. For IPv6 sockets bound to in6addr_any, this is the only way to determine if they will also accept IPv4 requests or not. Signed-off-by: Phil Sutter <phil> [1]: https://bugzilla.redhat.com/show_bug.cgi?id=1075816