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feat: add an alternative way to define the sysctl for UFW #29

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feat: add an alternative way to define the sysctl for UFW #29

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4 changes: 4 additions & 0 deletions pillar.example
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,10 @@ ufw:
- nf_conntrack_netbios_ns

sysctl:
sysctls:
net/ipv4/ip_forward: 1
net/ipv6/conf/default/forwarding: 1
net/ipv6/conf/all/forwarding: 1
forwarding: 1
rp_filter: 1
accept_source_route: 0
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7 changes: 7 additions & 0 deletions ufw/files/default/ufw.sysctl.tmpl.jinja
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Expand Up @@ -2,6 +2,7 @@
# File managed by Salt at <{{ source }}>.
# Your changes will be overwritten.
########################################################################
{%- set sysctls = ufw_sysctl.get('sysctls') %}
{%- set forwarding = ufw_sysctl.get('forwarding', 0) %}
{%- set rp_filter = ufw_sysctl.get('rp_filter', 1) %}
{%- set accept_source_route = ufw_sysctl.get('accept_source_route', 0) %}
Expand All @@ -18,6 +19,11 @@
# Configuration file for setting network variables. Please note these settings
# override /etc/sysctl.conf. If you prefer to use /etc/sysctl.conf, please
# adjust IPT_SYSCTL in /etc/default/ufw.
{%- if sysctls is not none %}
{%- for sysctl, value in sysctls.items() %}
{{ sysctl }}={{ value }}
{%- endfor %}
{%- else %}

# Uncomment this to allow this host to route packets between interfaces
net/ipv4/ip_forward={{ forwarding }}
Expand Down Expand Up @@ -70,3 +76,4 @@ net/ipv6/conf/all/autoconf={{ ipv6_autoconf }}
# Uncomment this to enable ipv6 privacy addressing
net/ipv6/conf/default/use_tempaddr={{ use_tempaddr }}
net/ipv6/conf/all/use_tempaddr={{ use_tempaddr }}
{% endif %}