quiet

src/freedombone-utils-firewall

     else
         sed -i 's|net.ipv4.tcp_challenge_ack_limit.*|net.ipv4.tcp_challenge_ack_limit = 999999999|g' /etc/sysctl.conf
     fi
-    sysctl -p
+    sysctl -p 2> /dev/null
 }
 
 function enable_ipv6 {