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]"));
   }