From 90d498034b891123350785a134402172de477f4f Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Wed, 11 May 2016 18:07:09 +0200
Subject: Use systemd unit files for stunnel4.

---
 roles/webmail/templates/etc/stunnel/smtp.conf.j2 | 58 ++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 roles/webmail/templates/etc/stunnel/smtp.conf.j2

(limited to 'roles/webmail/templates/etc/stunnel/smtp.conf.j2')

diff --git a/roles/webmail/templates/etc/stunnel/smtp.conf.j2 b/roles/webmail/templates/etc/stunnel/smtp.conf.j2
new file mode 100644
index 0000000..ba38bfa
--- /dev/null
+++ b/roles/webmail/templates/etc/stunnel/smtp.conf.j2
@@ -0,0 +1,58 @@
+; **************************************************************************
+; * Global options                                                         *
+; **************************************************************************
+
+; setuid()/setgid() to the specified user/group in daemon mode
+setuid = stunnel4
+setgid = stunnel4
+
+; PID is created inside the chroot jail
+pid =
+foreground = yes
+
+; Only log messages at severity warning (4) and higher
+debug = 4
+
+; **************************************************************************
+; * Service defaults may also be specified in individual service sections  *
+; **************************************************************************
+
+; Certificate/key is needed in server mode and optional in client mode
+cert = /etc/postfix/ssl/{{ ansible_fqdn }}.pem
+key  = /etc/postfix/ssl/{{ ansible_fqdn }}.key
+client = yes
+socket = a:SO_BINDTODEVICE=lo
+
+; Some performance tunings
+socket = l:TCP_NODELAY=1
+socket = r:TCP_NODELAY=1
+
+; Prevent MITM attacks
+verify = 4
+
+; Disable support for insecure protocols
+options = NO_SSLv2
+options = NO_SSLv3
+options = NO_TLSv1
+options = NO_TLSv1.1
+
+options = NO_COMPRESSION
+
+; These options provide additional security at some performance degradation
+options = SINGLE_ECDH_USE
+options = SINGLE_DH_USE
+
+; Select permitted SSL ciphers
+ciphers = EECDH+AESGCM:!MEDIUM:!LOW:!EXP:!aNULL:!eNULL
+
+; **************************************************************************
+; * Service definitions (remove all services for inetd mode)               *
+; **************************************************************************
+
+[smtp]
+accept   = localhost:2525
+connect  = outgoing.fripost.org:{{ postfix_instance.out.port }}
+CAfile   = /etc/stunnel/certs/smtp.pem
+protocol = smtp
+
+; vim:ft=dosini
-- 
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