sysctl::base::values:
  net.ipv4.tcp_keepalive_time:
    value: '2300'
  net.ipv4.tcp_keepalive_probes:
    value: '5'
  net.ipv4.tcp_keepalive_intvl:
    value: '30'
  net.ipv4.tcp_tw_reuse:
    value: '1'
  net.ipv4.tcp_tw_recycle:
    value: '0'
  net.ipv4.tcp_timestamps:
    value: '1'
  net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait:
    value: '15'
  net.ipv4.tcp_syn_retries:
    value: '3'
  net.ipv4.tcp_synack_retries:
    value: '3'
  net.ipv4.tcp_max_syn_backlog:
    value: '65535'
  net.core.somaxconn:
    value: '65535'
  net.core.optmem_max:
    value:  '16777216'
  net.ipv4.tcp_congestion_control:
    value: 'htcp'
  net.ipv4.tcp_no_metrics_save:
    value: '1'
  net.ipv4.tcp_slow_start_after_idle:
    value: '0'
  net.ipv4.tcp_window_scaling:
    value: '1'
  net.ipv6.conf.all.disable_ipv6:
    value: '1'
  kernel.printk_ratelimit:
    value: '30'
  kernel.printk_ratelimit_burst:
    value: '200'
  net.ipv4.conf.all.accept_redirects:
    value: '0'
  net.ipv4.conf.all.secure_redirects:
    value: 0
  net.ipv4.conf.all.send_redirects:
    value: 0
  net.ipv4.tcp_max_orphans:
    value: 524288
  net.ipv4.tcp_fin_timeout:
    value: 15
  net.ipv4.tcp_max_syn_backlog:
    value: 10096
  net.ipv4.ip_local_port_range:
    value: '1024 65535'
  net.core.netdev_max_backlog:
    value: 15000
  vm.swappiness:
    value: 1
  net.ipv4.tcp_max_tw_buckets:
    value: 1440000
  net.ipv4.tcp_mem:
    value: '50576   64768   98152'
  net.ipv4.tcp_wmem:
    value: '4096 65536 16777216'
  net.ipv4.tcp_rmem:
    value: '4096 87380 16777216'
  net.ipv4.tcp_orphan_retries:
    value: 0
  net.ipv4.tcp_syncookies:
    value: 0
  net.ipv4.netfilter.ip_conntrack_max:
    value: 100548576
  net.ipv4.conf.all.accept_source_route:
    value: 0
  net.ipv4.conf.lo.accept_source_route:
    value: 0
  net.ipv4.conf.default.accept_source_route:
    value: 0
  net.core.rmem_default:
    value: 65536
  net.core.wmem_default:
    value: 65536
  net.core.rmem_max:
    value: 16777216
  net.core.wmem_max:
    value: 16777216
  kernel.core_pattern:
    value: '/home/core-%e.%p'
  fs.file-max:
    value: 2097152
  net.ipv4.tcp_rfc1337:
    value: 1
  net.ipv4.ip_forward:
    value: 1
  net.ipv4.icmp_echo_ignore_broadcasts:
    value: 1
  net.ipv4.icmp_echo_ignore_all:
    value: 0
  net.ipv4.icmp_ignore_bogus_error_responses:
    value: 1