31 lines
1.1 KiB
YAML
31 lines
1.1 KiB
YAML
---
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- name: Create a consolidated sysctl configuration file
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ansible.builtin.copy:
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dest: /mnt/etc/sysctl.d/10-cis.conf
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mode: "0644"
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content: |
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## CIS Sysctl configurations
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kernel.yama.ptrace_scope=1
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kernel.randomize_va_space=2
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# Network
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net.ipv4.ip_forward=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.icmp_ignore_bogus_error_responses=1
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net.ipv4.conf.all.log_martians = 1
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net.ipv4.conf.all.rp_filter = 1
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net.ipv4.conf.all.secure_redirects = 0
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net.ipv4.conf.all.send_redirects = 0
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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.default.log_martians = 1
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net.ipv4.conf.default.rp_filter = 1
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net.ipv4.conf.default.secure_redirects = 0
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net.ipv4.conf.default.send_redirects = 0
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net.ipv4.conf.default.accept_redirects = 0
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net.ipv6.conf.all.accept_redirects = 0
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net.ipv6.conf.all.disable_ipv6 = 1
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net.ipv6.conf.default.accept_redirects = 0
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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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