diff -ur cups-1.7.3/cups/http-addr.c cups-1.7.3.new/cups/http-addr.c

--- cups-1.7.3/cups/http-addr.c	2014-06-24 14:39:21.174954690 +0000

+++ cups-1.7.3.new/cups/http-addr.c	2014-06-24 14:33:22.455553712 +0000

@@ -202,9 +202,14 @@

     return (1);

 #ifdef AF_INET6

-  if (addr->addr.sa_family == AF_INET6 &&

-      IN6_IS_ADDR_LOOPBACK(&(addr->ipv6.sin6_addr)))

-    return (1);

+  if (addr->addr.sa_family == AF_INET6) {

+    if (IN6_IS_ADDR_LOOPBACK(&(addr->ipv6.sin6_addr)))

+      return (1);

+    if (IN6_IS_ADDR_V4MAPPED(&(addr->ipv6.sin6_addr))) 

+      if(addr->ipv6.sin6_addr.s6_addr32[3] == htonl(INADDR_LOOPBACK))

+        return (1);

+  }

+

 #endif /* AF_INET6 */

 #ifdef AF_LOCAL

diff -ur cups-1.7.3/scheduler/auth.c cups-1.7.3.new/scheduler/auth.c

--- cups-1.7.3/scheduler/auth.c	2014-06-24 14:39:21.162954978 +0000

+++ cups-1.7.3.new/scheduler/auth.c	2014-06-24 13:58:23.235903941 +0000

@@ -1301,6 +1301,9 @@

           netip6[1] = htonl(ip[1]);

           netip6[2] = htonl(ip[2]);

           netip6[3] = htonl(ip[3]);

+

+          if(!IN6_IS_ADDR_V4MAPPED(netip6))

+            netip4 = 0;

 #endif /* AF_INET6 */

	  cupsdNetIFUpdate();

@@ -1906,7 +1909,7 @@

     address[0] = 0;

     address[1] = 0;

-    address[2] = 0;

+    address[2] = 0xffff;

     address[3] = ntohl(hostaddr->ipv4.sin_addr.s_addr);

   }

   else

diff -ur cups-1.7.3/scheduler/client.c cups-1.7.3.new/scheduler/client.c

--- cups-1.7.3/scheduler/client.c	2014-06-24 14:39:21.290951910 +0000

+++ cups-1.7.3.new/scheduler/client.c	2014-06-24 14:01:32.878499053 +0000

@@ -4354,6 +4354,7 @@

	    !_cups_strcasecmp(con->clientname, "localhost.localdomain") ||

 #endif /* __linux */

             !strcmp(con->clientname, "127.0.0.1") ||

+            !strcmp(con->clientname, "[v1.::ffff:127.0.0.1]") ||

	    !strcmp(con->clientname, "[::1]"));

   }