diff --git a/libexec/portzap/install-file b/libexec/portzap/install-file
new file mode 100755
index 0000000..aebbfd2
--- /dev/null
+++ b/libexec/portzap/install-file
@@ -0,0 +1,6 @@
+#!/bin/sh
+src=$1
+dest=$2
+group=_portzap
+mode=u=rw,g=rw,o=
+install -g $group -m $mode $src $dest