From 23f495196b1ec1a8568456fc942950d3b009a8a1 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <pngwjpgh@users.noreply.github.com>
Date: Sun, 2 Oct 2016 17:28:47 +0200
Subject: only listen on lo

---
 hel.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hel.nix b/hel.nix
index ce8bd962..860a54fd 100644
--- a/hel.nix
+++ b/hel.nix
@@ -195,6 +195,8 @@
         uucp unix - n n - - pipe flags=Fqhu user=uucp argv=/var/setuid-wrappers/uux -z -a$sender - $nexthop!rmail ($recipient)
       '';
       extraConfig = ''
+        inet_interfaces = loopback-only
+      
         authorized_submit_users = !uucp, static:anyone
         message_size_limit = 0
 
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