1 files changed, 1 insertions, 1 deletions

diff --git a/ymir.nix b/ymir.nix
index 868d611d..e8524e96 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -140,7 +140,7 @@ in rec {
     firewall = {
       enable = true;
       allowPing = true;
-      allowedTCPPorts = [ 20 # ftp
+      allowedTCPPorts = [ 21 # ftp
                           22 # ssh
                           25 # smtp
                           143 # imap