nsd 3.0.2 complains if no -a and no ip-address:

[Wouter Wijngaards]

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Koh-ichi Ito wrote:
> Here it is.
> 
> ingram2# /proj/nsd-3.0.2/sbin/nsdc start
> [1164788497] nsd[97639]: error: cannot parse address '(null)': getaddrinfo: Address family for hostname not supported

Oh. What happens is that NSD tries to open by default a ip4 and ip6
socket. And the ip6 is not supported.

On linux/solaris, the getaddrinfo works, but socket creation fails if no
ip6 is configured for an interface.

Your version will work using the -4 option or ip4-only: yes

The patch below should provide automatic fallback to ip4 for you. Could
you test this too and tell me if that provides a working fallback for you?

Best regards,
   Wouter

> BTW, I have no experience of using subversion. How can I
> apply this patch? my 'patch' is
> 
> kohi at ingram2[4]% patch --version
> Patch version 2.1
> 
> And I did it by hand this time.

Use   patch -p0 < patchfile

Index: nsd.c
===================================================================
- --- nsd.c       (revision 2507)
+++ nsd.c       (working copy)
@@ -639,6 +639,11 @@

                hints[i].ai_socktype = SOCK_DGRAM;
                if ((r=getaddrinfo(nodes[i], udp_port, &hints[i],
&nsd.udp[i].addr)) != 0) {
+#ifdef INET6
+                       if(nsd.grab_ip6_optional && hints[0].ai_family
== AF_INET6
+                               && r == EAI_ADDRFAMILY)
+                               continue;
+#endif
                        error("cannot parse address '%s': getaddrinfo:
%s %s",
                                nodes[i]?nodes[i]:"(null)",
                                gai_strerror(r),
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