Saturday, May 09, 2026 AM03:21:24 HKT

2026-05-09 03:21:32 +08:00
commit 41f17b127c
884 changed files with 263824 additions and 0 deletions
@@ -0,0 +1,40 @@
+net.core.somaxconn=65536
+net.core.netdev_max_backlog=65535
+
+net.ipv4.conf.default.rp_filter=1
+net.ipv4.conf.all.rp_filter=1
+
+net.ipv4.tcp_syncookies=1
+net.ipv4.tcp_notsent_lowat = 131072
+net.ipv4.tcp_rfc1337 = 1
+net.ipv4.tcp_fin_timeout = 20
+net.ipv4.tcp_keepalive_time = 240
+net.ipv4.tcp_slow_start_after_idle = 0
+net.ipv4.tcp_retries2 = 8
+net.ipv4.tcp_tw_reuse = 1
+net.ipv4.tcp_low_latency = 1
+net.ipv4.ip_local_port_range = 10000 65000
+fs.file-max = 8388608
+net.core.default_qdisc=fq
+net.ipv4.tcp_congestion_control=bbr
+
+#Hardening
+dev.tty.ldisc_autoload = 0
+fs.protected_fifos = 2
+kernel.core_uses_pid = 1
+kernel.kptr_restrict = 2
+kernel.sysrq = 0
+kernel.unprivileged_bpf_disabled =1
+kernel.yama.ptrace_scope = 1
+net.core.bpf_jit_harden = 2
+net.ipv4.conf.all.accept_redirects = 0
+net.ipv4.conf.all.log_martians = 1
+net.ipv4.conf.all.send_redirects = 0
+net.ipv4.conf.default.accept_redirects = 0
+net.ipv4.conf.default.accept_source_route = 0
+net.ipv4.conf.default.log_martians = 1
+net.ipv6.conf.all.accept_redirects = 0
+net.ipv6.conf.default.accept_redirects = 0
+
+#unsafe harden
+#kernel.modules_disabled = 1