From 6d1daa0424c168eae4bfa9f6772add3f77ec506f Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Wed, 20 May 2020 15:46:27 +0200
Subject: postfix-sender-login: Better hardening.
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Run as a dedicated user, not ‘postfix’.
---
 roles/MSA/files/etc/systemd/system/postfix-sender-login.service | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'roles/MSA/files/etc')

diff --git a/roles/MSA/files/etc/systemd/system/postfix-sender-login.service b/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
index f5e6d89..d652f75 100644
--- a/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
+++ b/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
@@ -4,8 +4,7 @@ After=mail-transport-agent.target
 Requires=postfix-sender-login.socket
 
 [Service]
-User=postfix
-Group=postfix
+User=_postfix-sender-login
 StandardInput=null
 SyslogFacility=mail
 ExecStart=/usr/local/bin/postfix-sender-login.pl
@@ -13,10 +12,9 @@ ExecStart=/usr/local/bin/postfix-sender-login.pl
 # Hardening
 NoNewPrivileges=yes
 PrivateDevices=yes
+PrivateNetwork=yes
 ProtectHome=yes
 ProtectSystem=strict
-PrivateDevices=yes
-PrivateNetwork=yes
 ProtectControlGroups=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
-- 
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