debian/sysctl

   1 # On Hardware Node we generally need
   2 # packet forwarding enabled and proxy arp disabled
   3
   4 net.ipv4.ip_forward = 1
   5 net.ipv4.conf.default.forwarding=1
   6 net.ipv4.conf.default.proxy_arp = 0
   7
   8 # Enables source route verification
   9 net.ipv4.conf.all.rp_filter = 2
  10
  11 # Enables the magic-sysrq key
  12 kernel.sysrq = 1
  13
  14 # TCP Explict Congestion Notification
  15 #net.ipv4.tcp_ecn = 0
  16
  17 # we do not want all our interfaces to send redirects
  18 net.ipv4.conf.default.send_redirects = 1
  19 net.ipv4.conf.all.send_redirects = 0