diff -up cups-1.3.8/config.h.in.res_init cups-1.3.8/config.h.in
--- cups-1.3.8/config.h.in.res_init	2008-09-03 15:34:23.000000000 +0100
+++ cups-1.3.8/config.h.in	2008-09-03 15:34:52.000000000 +0100
@@ -365,6 +365,13 @@
 
 
 /*
+ * Do we have __res_init()?
+ */
+
+#undef HAVE_RES_INIT
+
+
+/*
  * Do we have hstrerror()?
  */
 
diff -up cups-1.3.8/config-scripts/cups-network.m4.res_init cups-1.3.8/config-scripts/cups-network.m4
--- cups-1.3.8/config-scripts/cups-network.m4.res_init	2007-12-19 01:47:57.000000000 +0000
+++ cups-1.3.8/config-scripts/cups-network.m4	2008-09-03 15:34:14.000000000 +0100
@@ -18,6 +18,7 @@ AC_SEARCH_LIBS(gethostbyaddr, nsl)
 AC_SEARCH_LIBS(getifaddrs, nsl, AC_DEFINE(HAVE_GETIFADDRS))
 AC_SEARCH_LIBS(hstrerror, nsl socket resolv, AC_DEFINE(HAVE_HSTRERROR))
 AC_SEARCH_LIBS(rresvport_af, nsl, AC_DEFINE(HAVE_RRESVPORT_AF))
+AC_SEARCH_LIBS(__res_init, resolv bind, AC_DEFINE(HAVE_RES_INIT))
 
 # Tru64 5.1b leaks file descriptors with these functions; disable until
 # we can come up with a test for this...
diff -up cups-1.3.8/configure.res_init cups-1.3.8/configure
--- cups-1.3.8/configure.res_init	2008-09-03 15:34:14.000000000 +0100
+++ cups-1.3.8/configure	2008-09-03 15:34:14.000000000 +0100
@@ -12189,6 +12189,92 @@ _ACEOF
 
 fi
 
+{ echo "$as_me:$LINENO: checking for library containing __res_init" >&5
+echo $ECHO_N "checking for library containing __res_init... $ECHO_C" >&6; }
+if test "${ac_cv_search___res_init+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_func_search_save_LIBS=$LIBS
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char __res_init ();
+int
+main ()
+{
+return __res_init ();
+  ;
+  return 0;
+}
+_ACEOF
+for ac_lib in '' resolv bind; do
+  if test -z "$ac_lib"; then
+    ac_res="none required"
+  else
+    ac_res=-l$ac_lib
+    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+  fi
+  rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_search___res_init=$ac_res
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext
+  if test "${ac_cv_search___res_init+set}" = set; then
+  break
+fi
+done
+if test "${ac_cv_search___res_init+set}" = set; then
+  :
+else
+  ac_cv_search___res_init=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_search___res_init" >&5
+echo "${ECHO_T}$ac_cv_search___res_init" >&6; }
+ac_res=$ac_cv_search___res_init
+if test "$ac_res" != no; then
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  cat >>confdefs.h <<\_ACEOF
+#define HAVE_RES_INIT 1
+_ACEOF
+
+fi
+
 
 # Tru64 5.1b leaks file descriptors with these functions; disable until
 # we can come up with a test for this...
diff -up cups-1.3.8/scheduler/cups-polld.c.res_init cups-1.3.8/scheduler/cups-polld.c
--- cups-1.3.8/scheduler/cups-polld.c.res_init	2008-01-08 00:16:30.000000000 +0000
+++ cups-1.3.8/scheduler/cups-polld.c	2008-09-03 15:34:14.000000000 +0100
@@ -155,6 +155,18 @@ main(int  argc,				/* I - Number of comm
       restart_polling = 0;
       httpClose(http);
 
+#ifdef HAVE_RES_INIT
+      if (!http)
+      {
+       /*
+	* Reinit the resolver so that it doesn't cache a previous
+	* hostname lookup failure.  This fixes the situation where a
+	* network interface becomes available after polling starts.
+	*/
+	__res_init ();
+      }
+#endif /* HAVE_RES_INIT */
+
       if ((http = httpConnectEncrypt(argv[1], atoi(argv[2]),
                                      cupsEncryption())) == NULL)
       {