diff --git a/.gitignore b/.gitignore
index 469e81d..462eb21 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,5 +39,7 @@ cups-1.4b2-source.tar.bz2
 cups-1.4b2-svn8404-source.tar.bz2
 cups-1.4rc1-source.tar.bz2
 cups-1.4.0-source.tar.bz2
+cups-1.4b2-source.tar.bz2
+cups-1.4b2-svn8404-source.tar.bz2
 cups-1.4.3-source.tar.bz2
 cups-1.4.4-source.tar.bz2
diff --git a/cups-hostnamelookups.patch b/cups-hostnamelookups.patch
new file mode 100644
index 0000000..75b6abf
--- /dev/null
+++ b/cups-hostnamelookups.patch
@@ -0,0 +1,24 @@
+diff -up cups-1.4.4/scheduler/network.c.hostnamelookups cups-1.4.4/scheduler/network.c
+--- cups-1.4.4/scheduler/network.c.hostnamelookups	2010-04-09 23:42:09.000000000 +0100
++++ cups-1.4.4/scheduler/network.c	2010-06-18 11:13:02.331979867 +0100
+@@ -154,11 +154,7 @@ cupsdNetIFUpdate(void)
+     * Try looking up the hostname for the address as needed...
+     */
+ 
+-#ifdef __APPLE__
+     if (HostNameLookups)
+-#else
+-    if (HostNameLookups || RemotePort)
+-#endif /* __APPLE__ */
+       httpAddrLookup((http_addr_t *)(addr->ifa_addr), hostname,
+                      sizeof(hostname));
+     else
+@@ -166,7 +162,7 @@ cupsdNetIFUpdate(void)
+      /*
+       * Map the default server address and localhost to the server name
+       * and localhost, respectively; for all other addresses, use the
+-      * dotted notation...
++      * numeric address...
+       */
+ 
+       if (httpAddrLocalhost((http_addr_t *)(addr->ifa_addr)))
diff --git a/cups.spec b/cups.spec
index 4f2ec8f..ffc4bf1 100644
--- a/cups.spec
+++ b/cups.spec
@@ -58,6 +58,7 @@ Patch24: cups-avahi.patch
 Patch25: cups-str3382.patch
 Patch29: cups-0755.patch
 Patch30: cups-EAI_AGAIN.patch
+Patch31: cups-hostnamelookups.patch
 Patch33: cups-snmp-quirks.patch
 Patch34: cups-hp-deviceid-oid.patch
 Patch35: cups-dnssd-deviceid.patch
@@ -253,6 +254,9 @@ module.
 %patch29 -p1 -b .0755
 # Re-initialise the resolver on failure in httpAddrLookup().
 %patch30 -p1 -b .EAI_AGAIN
+# Use numeric addresses for interfaces unless HostNameLookups are
+# turned on (bug #583054).
+%patch31 -p1 -b .hostnamelookups
 # Handle SNMP supply level quirks (bug #581825).
 %patch33 -p1 -b .snmp-quirks
 # Add an SNMP query for HP's device ID OID (STR #3552).
@@ -567,6 +571,11 @@ rm -rf $RPM_BUILD_ROOT
 %{php_extdir}/phpcups.so
 
 %changelog
+* Tue Aug  3 2010 Tim Waugh <twaugh@redhat.com>
+- Merged F-12 change:
+  - Use numeric addresses for interfaces unless HostNameLookups are
+    turned on (bug #583054).
+
 * Tue Jul 13 2010 Jiri Popelka <jpopelka@redhat.com> 1:1.4.4-7
 - Added restartlog to initscript usage output (bug #612996).