diff --git a/ChangeLog b/ChangeLog
index c130fe4..ebcc24e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,11 +1,24 @@
+2016-04-18  Daniel Adolfsson  <daniel@priv.nu>
+
+    * Version 0.2.5
+
+        * Defer configuration of interfaces until after daemonized; fixes an
+          issue where ndppd would fail to set ALLMULTI on the interface
+          properly.
+
+        * Fix a cast so ndppd can be compiled on GCC 6.
+
+        * Fix so ndppd changes working directory to / and umask to 0 once
+          daemonized.
+
 2015-10-13  Daniel Adolfsson  <daniel@priv.nu>
 
     * Version 0.2.4
-    
-	    * Fix an issue where ndppd daemonizes too early.
-		
-		* Fix to make sure the right pid is written to the pidfile.
-		
+
+        * Fix an issue where ndppd daemonizes too early.
+
+        * Fix to make sure the right pid is written to the pidfile.
+
 2012-09-21  Daniel Adolfsson  <daniel@priv.nu>
 
     * Version 0.2.3
@@ -18,7 +31,7 @@
 
         * New "auto" configuration to detect outgoing interface, for forwarding
           Neighbor Solicitation Messages.
-        
+
         * Improved logging.
 
         * Bug fixes related to memory management.
diff --git a/README b/README
index ac3c71d..05412af 100644
--- a/README
+++ b/README
@@ -1,24 +1,24 @@
                      ndppd - NDP Proxy Daemon
 
-                          Version 0.2.4
+                          Version 0.2.5
 
 ------------------------------------------------------------------------
 1. Legal
 ------------------------------------------------------------------------
 
    ndppd - NDP Proxy Daemon
-   Copyright (C) 2011  Daniel Adolfsson <daniel@priv.nu>
-  
+   Copyright (C) 2011-2016  Daniel Adolfsson <daniel@priv.nu>
+
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
-  
+
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-  
+
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
@@ -93,7 +93,7 @@
    If you want to enable debugging, you can type:
 
       make DEBUG=1 all
-   
+
    Note that this version of the binary is much bigger, and the daemon
    produces a lot of messages.
 
@@ -115,7 +115,7 @@
 
    -d    Daemonize the process, putting it in the background.
          Also enables syslogging.
-         
+
    -v    Increase logging verbosity. Can be used several times in
          order to increase even further.
 
@@ -126,7 +126,7 @@
    Contact : Daniel Adolfsson <daniel@priv.nu>
 
    Website : https://github.com/DanielAdolfsson/ndppd
-   
+
        Git : git://github.com/DanielAdolfsson/ndppd.git
 
 If you want to report a bug, you can either send me a mail directly,
diff --git a/src/ndppd.cc b/src/ndppd.cc
index c7b540d..bec9656 100644
--- a/src/ndppd.cc
+++ b/src/ndppd.cc
@@ -94,20 +94,34 @@ static ptr<conf> load_config(const std::string& path)
             address addr(*ru_cf);
 
             if (x_cf = ru_cf->find("iface")) {
-                if ((const std::string& )*x_cf == "") {
+                if (ru_cf->find("static") || ru_cf->find("auto")) {
+                    logger::error()
+                        << "Only one of 'iface', 'auto' and 'static' may "
+                        << "be specified.";
+                    return (conf*)NULL;
+                }
+                if ((const std::string&)*x_cf == "") {
                     logger::error() << "'iface' expected an interface name";
+                    return (conf*)NULL;
                 }
-            } else {
-                if (!ru_cf->find("static")) {
-                    logger::warning()
-                        << "## I'm going for 'static' since you didn't specify any method. Please fix this" << logger::endl
-                        << "## as it's not going to be supported in future versions of ndppd. (See 'man ndppd.conf')";
+            } else if (ru_cf->find("static")) {
+                if (ru_cf->find("auto")) {
+                    logger::error()
+                        << "Only one of 'iface', 'auto' and 'static' may "
+                        << "be specified.";
+                    return (conf*)NULL;
                 }
-
                 if (addr.prefix() <= 120) {
                     logger::warning()
-                        << "Low prefix length (" << addr.prefix() << " <= 120) when using 'static' method";
+                        << "Low prefix length (" << addr.prefix()
+                        << " <= 120) when using 'static' method";
                 }
+            } else if (!ru_cf->find("auto")) {
+                logger::error()
+                    << "You must specify either 'iface', 'auto' or "
+                    << "'static'";
+                return (conf*)NULL;
+
             }
         }
     }
@@ -163,18 +177,10 @@ static bool configure(ptr<conf>& cf)
         for (r_it = rules.begin(); r_it != rules.end(); r_it++) {
             ptr<conf> ru_cf =* r_it;
 
-            if (ru_cf->empty()) {
-                return false;
-            }
-
             address addr(*ru_cf);
 
             if (x_cf = ru_cf->find("iface")) {
-                if ((const std::string& )*x_cf == "") {
-
-                } else {
-                    pr->add_rule(addr, iface::open_ifd(*x_cf));
-                }
+                pr->add_rule(addr, iface::open_ifd(*x_cf));
             } else if (ru_cf->find("auto")) {
                 pr->add_rule(addr, true);
             } else {