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--- ubuntu:sysctl:harden_the_system_using_sysctl [2019/12/04 21:46] – created peter
+++ ubuntu:sysctl:harden_the_system_using_sysctl [2020/07/15 09:30] (current) – external edit 127.0.0.1
@@ Line 72: / Line 72: @@
 net.core.netdev_max_backlog = 5000
 net.ipv4.tcp_window_scaling = 1
+</file>
+----
+===== Example =====
+<file bash /etc/sysctl.conf>
+net.ipv4.ip_forward = 0
+net.ipv4.conf.all.send_redirects = 0
+net.ipv4.conf.default.send_redirects = 0
+net.ipv4.tcp_max_syn_backlog = 1280
+net.ipv4.icmp_echo_ignore_broadcasts = 1
+net.ipv4.conf.all.accept_source_route = 0
+net.ipv4.conf.all.accept_redirects = 0
+net.ipv4.conf.all.secure_redirects = 0
+net.ipv4.conf.all.log_martians = 1
+net.ipv4.conf.default.accept_source_route = 0
+net.ipv4.conf.default.accept_redirects = 0
+net.ipv4.conf.default.secure_redirects = 0
+net.ipv4.icmp_echo_ignore_broadcasts = 1
+net.ipv4.icmp_ignore_bogus_error_responses = 1
+net.ipv4.tcp_syncookies = 1
+net.ipv4.conf.all.rp_filter = 1
+net.ipv4.conf.default.rp_filter = 1
+net.ipv4.tcp_timestamps = 0
 </file>