folks yes HP-UX supports IPV6_V6ONLY socket option. /jim > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Yasevich, Vladislav > Sent: Wednesday, June 08, 2005 12:06 PM > To: mclellan, dave > Cc: '[email protected]' > Subject: Re: bind() behavior with family AF_INET6, INADDR6_ANY > > > On Wed, 2005-06-08 at 09:22 +0200, Jeroen Massar wrote: > > > > For all your answers, read Eva's excellent document at: > > http://gsyc.escet.urjc.es/~eva/IPv6-web/ipv6.html > > > Yes very good document. Please read. > > > > > Here's the main question: > > > > > > - should it work consistently as a definition of the protocol: > > > bind(socket,sockaddr,len) where the socket is AF_INET6 > and the IP address is > > > INADDR6_ANY. > > > > No, this will only bind to AF_INET6. Some OS's support the > compatibility > > addresses, while some don't. > > Only if the default in the OS is to do that. There is a socket option > to figure out the default. It's called IPV6_V6ONLY. If your OS > supports it, you change the behavior of the wildcard bind to use IPv6 > only addresses (option is on), or all addresses (option is off). > > > > > > - server binds as described and clients connect from IP4 > or IP6 families. > > > > On some platforms it does, on some it doesn't > > > > > - Are there some OSs that won't allow this? On these do > I have to listen > > > on multiple sockets in different families, callling > select() and then > > > accept()? > > Yes. You would need to create 2 sockets and select() or > poll() between > them. > > > Always use multiple sockets, for that matter, use getaddrinfo(). > > > > > Any shared experience would be helpful. I'm supporting > Solaris, AIX, HP-UX, > > > Tru64, WIN2K, Linux various kernels, and some other oddball OS's. > > On Linux, Tru64, and HP-UX, the behavior of a bind to a > IN6ADDR_ANY will > is allow operations on all address IPv4 and IPv6. IPv4 > address will be > represented in IPv4-mapped format of ::ffff:1.2.3.4. > > Tru64 5.1b and Linux 2.6 (not sure about HP-UX) have support for > IPV6_V6ONLY socket option. You can enable the separate > socket behavior > by setting this option to 1. > > -vlad > > --------------------------------------------------------------------- > The IPv6 Users Mailing List > Unsubscribe by sending "unsubscribe users" to [EMAIL PROTECTED] >
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