25 lines
834 B
Text
25 lines
834 B
Text
# veilor-os — kernel sysctl hardening
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# Mirrors scripts/20-harden-kernel.sh; ships in overlay so values present
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# at first boot before scripts run.
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kernel.kptr_restrict = 2
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kernel.dmesg_restrict = 1
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net.core.bpf_jit_harden = 2
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kernel.perf_event_paranoid = 3
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kernel.yama.ptrace_scope = 2
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kernel.randomize_va_space = 2
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kernel.modules_disabled = 0
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net.ipv4.conf.all.rp_filter = 1
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net.ipv4.conf.default.rp_filter = 1
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net.ipv4.conf.all.log_martians = 1
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net.ipv4.conf.default.log_martians = 1
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fs.suid_dumpable = 0
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dev.tty.ldisc_autoload = 0
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kernel.sched_schedstats = 0
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net.ipv4.tcp_syncookies = 1
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net.ipv4.icmp_echo_ignore_broadcasts = 1
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net.ipv4.conf.all.accept_source_route = 0
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net.ipv6.conf.all.accept_source_route = 0
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net.ipv4.conf.all.accept_redirects = 0
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net.ipv4.conf.all.send_redirects = 0
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net.ipv6.conf.all.accept_redirects = 0
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