2021-08-22 22:13:37 +02:00
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# Hardened sysctl conf
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fs.protected_regular = 2
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fs.protected_fifos = 2
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fs.protected_hardlinks = 1
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fs.protected_symlinks = 1
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fs.suid_dumpable = 0
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kernel.core_uses_pid = 1
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kernel.ctrl-alt-del = 0
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kernel.dmesg_restrict = 1
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kernel.kptr_restrict = 2
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kernel.randomize_va_space = 2
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kernel.sysrq = 0
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kernel.unprivileged_bpf_disabled = 1
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net.core.bpf_jit_harden = 2
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net.ipv4.conf.all.accept_redirects = 0
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net.ipv4.conf.all.accept_source_route = 0
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net.ipv4.conf.all.bootp_relay = 0
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net.ipv4.conf.all.forwarding = 0
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net.ipv4.conf.all.log_martians = 1
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net.ipv4.conf.all.mc_forwarding = 0
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net.ipv4.conf.all.proxy_arp = 0
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net.ipv4.conf.all.rp_filter = 0
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net.ipv4.conf.all.send_redirects = 0
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net.ipv4.conf.default.accept_redirects = 0
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net.ipv4.conf.default.accept_source_route = 0
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net.ipv4.conf.default.log_martians = 1
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net.ipv4.icmp_echo_ignore_broadcasts = 1
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net.ipv4.icmp_ignore_bogus_error_responses = 1
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net.ipv4.tcp_syncookies = 1
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net.ipv4.tcp_timestamps = 1
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2021-08-23 20:05:42 +02:00
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# Uncomment do disable ipv6
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#net.ipv6.conf.all.disable_ipv6=1
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#net.ipv6.conf.default.disable_ipv6=1
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#net.ipv6.conf.lo.disable_ipv6=1
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2021-08-22 22:13:37 +02:00
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net.ipv6.conf.all.accept_redirects = 0
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net.ipv6.conf.all.accept_source_route = 0
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net.ipv6.conf.default.accept_redirects = 0
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net.ipv6.conf.default.accept_source_route = 0
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vm.swappiness = 15
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