1 net.ipv4.ip_forward = 1
2 net.ipv4.ip_dynaddr = 1
3 net.ipv4.icmp_echo_ignore_broadcasts = 1
4 net.ipv4.icmp_ignore_bogus_error_responses = 1
7 net.ipv4.tcp_timestamps = 0
8 net.ipv4.tcp_syncookies = 1
9 net.ipv4.tcp_fin_timeout = 30
10 net.ipv4.tcp_window_scaling = 0
11 net.ipv4.tcp_syn_retries = 3
12 net.ipv4.tcp_synack_retries = 3
14 net.ipv4.conf.default.rp_filter = 0
15 net.ipv4.conf.default.accept_redirects = 0
16 net.ipv4.conf.default.accept_source_route = 0
17 net.ipv4.conf.default.log_martians = 1
19 net.ipv4.conf.all.rp_filter = 0
20 net.ipv4.conf.all.accept_redirects = 0
21 net.ipv4.conf.all.accept_source_route = 0
22 net.ipv4.conf.all.log_martians = 1
25 net.ipv6.conf.default.forwarding = 1
26 net.ipv6.conf.default.autoconf = 0
28 kernel.printk = 1 4 1 7