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refactor: major structural changes

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update tmux conf

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fix: get git aliases from plugin

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add devenv

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kubernetes
This commit is contained in:
Glen Goodwin 2023-11-22 16:33:30 -05:00
parent 2e8c1eec90
commit 2220c4e917
87 changed files with 1963 additions and 2261 deletions
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62
hosts/candlekeep/sysctl.nix Normal file
View file

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{
config,
pkgs,
...
}: {
boot.kernel.sysctl = {
# Restrict kernel pointers
"kernel.kptr_restrict" = 2;
"kernel.dmesg_restrict" = 1;
# Restrict eBPF
"kernel.unprivileged_bpf_disabled" = 1;
# Harden JIT
"net.core.bpf_jit_harden" = 2;
"dev.tty.ldisc_autoload" = 0;
"vm.unprivileged_userfaultfd" = 0;
# Disable loading other kernels at runtime
"kernel.kexec_load_disabled" = 1;
# Disable SysRq key for non-users (can be used in remote exploits)
"kernel.sysrq" = 4;
"kernel.perf_event_paranoid" = 3;
"kernel.unprivileged_userns_clone" = 1;
## NETWORK
# SYN flood attack prevention
"net.ipv4.tcp_syncookies" = 1;
# Prevent IP spoofing
"net.ipv4.conf.all.rp_filter" = 1;
"net.ipv4.conf.default.rp_filter" = 1;
# MITM attack prevention (disable redirect acceptance)
"net.ipv4.conf.all.accept_redirects" = 0;
"net.ipv4.conf.default.accept_redirects" = 0;
"net.ipv4.conf.all.secure_redirects" = 0;
"net.ipv4.conf.default.secure_redirects" = 0;
"net.ipv6.conf.all.accept_redirects" = 0;
"net.ipv6.conf.default.accept_redirects" = 0;
"net.ipv4.conf.all.send_redirects" = 0;
"net.ipv4.conf.default.send_redirects" = 0;
# Clock fingerprinting prevention (disabled ICMP requests)
"net.ipv4.icmp_echo_ignore_all" = 1;
# Restrict ptrace usage
"kernel.yama.ptrace_scope" = 2;
# ASLR exploit mitigation
"vm.mmap_rnd_bits" = 32;
"vm.mmap_rnd_compat_bits" = 16;
"fs.protected_fifos" = 2;
"fs.protected_regular" = 2;
};
}