net.ipv6.conf.default.disable_ipv6 = 1
# Enable netfilter accounting
-net.netfilter.nf_conntrack_acct=1
+net.netfilter.nf_conntrack_acct = 1
# Disable netfilter on bridges.
net.bridge.bridge-nf-call-ip6tables = 0
net.ipv4.udp_mem = 3145728 4194304 16777216
# Prefer low latency over higher throughput
-net.ipv4.tcp_low_latency=1
+net.ipv4.tcp_low_latency = 1
# Reserve more socket space for the TCP window
-net.ipv4.tcp_adv_win_scale=2
+net.ipv4.tcp_adv_win_scale = 2
# Enable TCP fast-open
net.ipv4.tcp_fastopen = 3
+
+# Drop RST packets for sockets in TIME-WAIT state, as described in RFC 1337.
+# This protects against various TCP attacks, such as DoS against or injection
+# of arbitrary segments into prematurely closed connections.
+net.ipv4.tcp_rfc1337 = 1