Re: could WWWOFFLE not make AAAA DNS requests if it doesn't bind to any IPv6 addresses?

Juliusz Chroboczek <[email protected]> writes:

> > What happens if you disable IPv6 kernel support ?
> 
> It won't change a thing.

This was in response to these comments:

> >        If hints.ai_flags includes the AI_ADDRCONFIG flag, then IPv4
> >        addresses are returned in the list pointed to by result only 
> 
> To me this sounds as if the _queries_ will be done anyway.
> 
> What happens if you disable IPv6 kernel support ? In standard
> kernels it's a module called ipv6. There doesn't seem to be a boot
> parameter but you can try to blacklist it in /etc/modprobe.d.

Does this mean that the AI_ADDRCONFIG option for the hints flag
doesn't stop the queries being made, it only stops them being
returned?  If the DNS resolver library knows that it is not going to
return the IPv6 addresses to the application then why would it request
them?

-- 
Andrew.
----------------------------------------------------------------------
Andrew M. Bishop                             amb-Uxr6IM1mbv2TY6FTCsQk+9Bc4/[email protected]
                                      http://www.gedanken.demon.co.uk/

WWWOFFLE users page:
        http://www.gedanken.demon.co.uk/wwwoffle/version-2.9/user.html