anchor.diff:  
   
   # Define different modes for sending replies in response to received ARP requests that resolve local target IP addresses:
  -# 
  +#
   # * **0** - (default): reply for any local target IP address, configured on any interface
   # * **1** - reply only if the target IP address is local address configured on the incoming interface
   # * **2** - reply only if the target IP address is local address configured on the incoming interface and both with the sender's IP address are part from same subnet on this interface
  
positive.code: net.ipv4.icmp_ratelimit = 100
  
  # Adjust the ICMP ratelimit to include: ping, dst unreachable, source quench, time exceed, param problem, timestamp reply, information reply
  net.ipv4.icmp_ratemask = 88089          
    
  # Disable or Enable IPv6 as it is needed.
  net.ipv6.conf.all.disable_ipv6 = <%= ((@node['network']['ipv6']['enable']) ? "0" : "1") %>
  
  
negative.code: net.ipv4.conf.all.rp_filter = 1
  net.ipv4.conf.default.rp_filter = 1
  
  # Reduce the surface on SMURF attacks. Make sure to ignore ECHO broadcasts, which are only required in broad network analysis.
  net.ipv4.icmp_echo_ignore_broadcasts = 1
  
  # There is no reason to accept bogus error responses from ICMP, so ignore them instead.
  