56 lines
1.8 KiB
Plaintext
56 lines
1.8 KiB
Plaintext
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# Setec Labs Security Update — Debian 12 Bookworm
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# Release: 2026-03
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# Target: Debian 12 (Bookworm)
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# Author: seteclabs.io
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# Applied via: sec_updates.py parse_and_apply_cmd()
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[packages]
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# Critical security patches for March 2026
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apt-get update -qq
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apt-get install -y --only-upgrade openssl libssl3
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apt-get install -y --only-upgrade libgnutls30
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apt-get install -y --only-upgrade openssh-server openssh-client
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apt-get install -y --only-upgrade curl libcurl4
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apt-get install -y --only-upgrade sudo
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apt-get install -y --only-upgrade systemd libsystemd0
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apt-get install -y --only-upgrade linux-image-amd64
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apt-get install -y --only-upgrade bind9-dnsutils bind9-host
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apt-get install -y --only-upgrade nginx
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apt-get install -y --only-upgrade python3 libpython3-stdlib
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apt-get install -y --only-upgrade git
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apt-get install -y --only-upgrade vim-common xxd
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[sysctl]
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# Harden network stack
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net.ipv4.tcp_syncookies = 1
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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.accept_redirects = 0
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net.ipv4.conf.default.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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net.ipv4.conf.all.accept_source_route = 0
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net.ipv4.icmp_echo_ignore_broadcasts = 1
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kernel.randomize_va_space = 2
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fs.protected_hardlinks = 1
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fs.protected_symlinks = 1
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kernel.kptr_restrict = 1
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kernel.dmesg_restrict = 1
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[services]
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systemctl restart ssh
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systemctl restart nginx
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systemctl daemon-reexec
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[files]
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chmod 600 /etc/ssh/sshd_config
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chmod 700 /root/.ssh
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chmod 644 /etc/sysctl.d/99-setec-update.conf
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chown root:root /etc/sysctl.d/99-setec-update.conf
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[custom]
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# Cleanup old kernels
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bash:-:apt-get autoremove -y --purge 2>&1
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# Verify no known vulnerable packages remain
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bash:-:apt-get -s upgrade 2>&1 | grep -c 'upgraded' || echo '0 remaining upgrades'
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