diff --git a/system/helpers/netns-isolation.nix b/system/helpers/netns-isolation.nix
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+++ b/system/helpers/netns-isolation.nix
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+### netns-isolation (EXPERIMENTAL)
+# Enable this module to use Network Namespace Isolation. This feature places
+# every service in its own network namespace and only allows truly necessary
+# connections between network namespaces, making sure services are isolated on
+# a network-level as much as possible.
+{ nix-bitcoin.netns-isolation.enable = true; }