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updated netwokr sysctl rules

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Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>
This commit is contained in:
Mark Bolwell 2022-03-30 11:48:50 +01:00
parent 42410b4cd0
commit e043274c34
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GPG key ID: F734FDFC154B83FB
2 changed files with 186 additions and 31 deletions
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62
templates/etc/99-sysctl.conf.j2
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@ -12,64 +12,64 @@ kernel.randomize_va_space = 2
{% endif %}
# Network sysctl
{% if rhel9cis_rule_3_1_1 %}
# CIS 3.1.1
net.ipv4.ip_forward = 0
{% if rhel9cis_rule_3_1_1 and rhel9cis_ipv6_required %}
net.ipv6.conf.all.forwarding = 0
{% endif %}
{% endif %}
{% if rhel9cis_rule_3_1_2 %}
# CIS 3.1.2
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
{% endif %}
{% if rhel9cis_rule_3_2_1 %}
# CIS 3.2.1
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.ip_forward = 0
{% if rhel9cis_rule_3_2_1 and rhel9cis_ipv6_required %}
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.default.accept_source_route = 0
net.ipv6.conf.all.forwarding = 0
{% endif %}
{% endif %}
{% if rhel9cis_rule_3_2_2 %}
# CIS 3.2.2
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0
{% endif %}
{% if rhel9cis_rule_3_3_1 %}
# CIS 3.3.1
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
{% if rhel9cis_rule_3_3_1 and rhel9cis_ipv6_required %}
net.ipv6.conf.all.accept_source_route = 0
net.ipv6.conf.default.accept_source_route = 0
{% endif %}
{% endif %}
{% if rhel9cis_rule_3_3_2 %}
# CIS 3.3.2
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
{% if rhel9cis_rule_3_2_2 and rhel9cis_ipv6_required %}
{% if rhel9cis_rule_3_3_2 and rhel9cis_ipv6_required %}
net.ipv6.conf.all.accept_redirects = 0
net.ipv6.conf.default.accept_redirects = 0
{% endif %}
{% endif %}
{% if rhel9cis_rule_3_2_3 %}
# CIS 3.2.3
{% if rhel9cis_rule_3_3_3 %}
# CIS 3.3.3
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.default.secure_redirects = 0
{% endif %}
{% if rhel9cis_rule_3_2_4 %}
# CIS 3.2.4
{% if rhel9cis_rule_3_3_4 %}
# CIS 3.3.4
net.ipv4.conf.all.log_martians = 1
net.ipv4.conf.default.log_martians = 1
{% endif %}
{% if rhel9cis_rule_3_2_5 %}
# CIS 3.2.5
{% if rhel9cis_rule_3_3_5 %}
# CIS 3.3.5
net.ipv4.icmp_echo_ignore_broadcasts = 1
{% endif %}
{% if rhel9cis_rule_3_2_6 %}
# CIS 3.2.6
{% if rhel9cis_rule_3_3_6 %}
# CIS 3.3.6
net.ipv4.icmp_ignore_bogus_error_responses = 1
{% endif %}
{% if rhel9cis_rule_3_2_7 %}
# CIS 3.2.7
{% if rhel9cis_rule_3_3_7 %}
# CIS 3.3.7
net.ipv4.conf.default.rp_filter = 1
{% endif %}
{% if rhel9cis_rule_3_2_8 %}
# CIS 3.2.8
{% if rhel9cis_rule_3_3_8 %}
# CIS 3.3.8
net.ipv4.tcp_syncookies = 1
{% endif %}
{% if rhel9cis_rule_3_2_9 %}
# CIS 3.2.9
{% if rhel9cis_rule_3_3_9 %}
# CIS 3.3.9
net.ipv6.conf.all.accept_ra = 0
net.ipv6.conf.default.accept_ra = 0
{% endif %}