X-Git-Url: http://git.ipfire.org/?p=people%2Fteissler%2Fipfire-2.x.git;a=blobdiff_plain;f=config%2Fcfgroot%2Fgeneral-functions.pl;h=90eacbdb011487e2f4af8e60eb8cc42e249f3620;hp=b1b47abcb0e9985cbbbfff4004458c99df2618dc;hb=057dbeebb2bb6eeea485c210f20051c4a6bc52b1;hpb=1d19cd87ec9e87c9bb8337eebce3b58f1cfa2a5d

diff --git a/config/cfgroot/general-functions.pl b/config/cfgroot/general-functions.pl
index b1b47abcb..90eacbdb0 100644
--- a/config/cfgroot/general-functions.pl
+++ b/config/cfgroot/general-functions.pl
@@ -920,9 +920,11 @@ sub GetDyndnsRedIP {
     close(IP);
     chomp $ip;
 
+    # 100.64.0.0/10 is reserved for dual-stack lite (http://tools.ietf.org/html/rfc6598).
     if (&General::IpInSubnet ($ip,'10.0.0.0','255.0.0.0') ||
         &General::IpInSubnet ($ip,'172.16.0.0.','255.240.0.0') ||
-        &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0'))
+        &General::IpInSubnet ($ip,'192.168.0.0','255.255.0.0') ||
+        &General::IpInSubnet ($ip,'100.64.0.0', '255.192.0.0'))
     {
 	if ($settings{'BEHINDROUTER'} eq 'FETCH_IP') {
     	    my $RealIP = &General::FetchPublicIp;