30 lines
1.1 KiB
Nix
30 lines
1.1 KiB
Nix
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{ modulesPath, config, pkgs, lib, ... }: {
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imports = [
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"${toString modulesPath}/profiles/hardened.nix"
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];
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boot.kernel.sysctl = {
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"kernel.sysrq" = false;
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"net.core.default_qdisc" = "sch_fq_codel";
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"net.ipv4.conf.all.accept_source_route" = false;
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"net.ipv4.icmp_ignore_bogus_error_responses" = true;
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"net.ipv4.tcp_congestion_control" = "bbr";
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"net.ipv4.tcp_fastopen" = 3;
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"net.ipv4.tcp_rfc1337" = true;
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"net.ipv4.tcp_syncookies" = true;
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"net.ipv6.conf.all.accept_source_route" = false;
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# disable ipv6
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"net.ipv6.conf.all.disable_ipv6" = true;
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"net.ipv6.conf.default.disable_ipv6" = true;
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};
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security.lockKernelModules = false;
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security.allowSimultaneousMultithreading = true;
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security.virtualisation.flushL1DataCache = "cond";
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# security.forcePageTableIsolation = false;
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# boot.kernel.sysctl."net.ipv4.conf.all.log_martians" = false;
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# boot.kernel.sysctl."net.ipv4.conf.all.rp_filter" = "0";
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# boot.kernel.sysctl."net.ipv4.conf.default.log_martians" = false;
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# boot.kernel.sysctl."net.ipv4.conf.default.rp_filter" = "0";
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}
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