From 8fc53ecddfe875be30501a89fd24f226de7575d9 Mon Sep 17 00:00:00 2001 From: Guilhem Moulin Date: Wed, 18 May 2016 19:25:20 +0200 Subject: postfix: Update to recommended TLS settings. Following Viktor Dukhovni's 2015-08-06 recommendation http://article.gmane.org/gmane.mail.postfix.user/251935 (We're using stronger ciphers and protocols in our own infrastructure.) --- roles/MX/templates/etc/postfix/main.cf.j2 | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'roles/MX/templates') diff --git a/roles/MX/templates/etc/postfix/main.cf.j2 b/roles/MX/templates/etc/postfix/main.cf.j2 index 27214a1..af282aa 100644 --- a/roles/MX/templates/etc/postfix/main.cf.j2 +++ b/roles/MX/templates/etc/postfix/main.cf.j2 @@ -84,6 +84,8 @@ smtp_tls_security_level = none smtp_bind_address = 127.0.0.1 {% else %} smtp_tls_security_level = encrypt +smtp_tls_ciphers = high +smtp_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1 smtp_tls_exclude_ciphers = EXPORT, LOW, MEDIUM, aNULL, eNULL, DES, RC4, MD5 smtp_tls_cert_file = /etc/postfix/ssl/{{ ansible_fqdn }}.pem smtp_tls_key_file = /etc/postfix/ssl/{{ ansible_fqdn }}.key @@ -93,7 +95,8 @@ smtp_tls_fingerprint_digest = sha256 {% endif %} smtpd_tls_security_level = may -smtpd_tls_exclude_ciphers = EXPORT, LOW, MEDIUM, aNULL, eNULL, DES, RC4, MD5 +smtpd_tls_ciphers = medium +smtpd_tls_protocols = !SSLv2, !SSLv3 smtpd_tls_cert_file = /etc/postfix/ssl/mx.fripost.org.pem smtpd_tls_key_file = /etc/postfix/ssl/mx.fripost.org.key smtpd_tls_dh1024_param_file = /etc/ssl/dhparams.pem -- cgit v1.2.3