diff --git a/cdist/conf/explorer/is-freebsd-jail b/cdist/conf/explorer/is-freebsd-jail
new file mode 100644
index 00000000..a6d11d1a
--- /dev/null
+++ b/cdist/conf/explorer/is-freebsd-jail
@@ -0,0 +1 @@
+sysctl -n security.jail.jailed 2>/dev/null | grep "1" || true