YunoHost/yunohost
1
0
Fork 0
mirror of https://github.com/YunoHost/yunohost.git synced 2024-09-03 20:06:10 +02:00
Code Issues Projects Releases Packages Wiki Activity

Fix postfix ciphers

Browse source
This commit is contained in:
Alexandre Aubin 2020-04-21 20:20:53 +02:00 • committed by GitHub
parent 194a0bb187
commit 1a828c725f
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
data/templates/postfix/main.cf
View file

@ -33,14 +33,20 @@ smtpd_tls_cert_file = /etc/yunohost/certs/{{ main_domain }}/crt.pem
smtpd_tls_key_file = /etc/yunohost/certs/{{ main_domain }}/key.pem smtpd_tls_key_file = /etc/yunohost/certs/{{ main_domain }}/key.pem
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1 smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1 smtpd_tls_protocols = !SSLv2, !SSLv3, !TLSv1, !TLSv1.1
smtpd_tls_mandatory_ciphers = medium # smtpd_tls_mandatory_ciphers = medium # (c.f. below)
# curl https://ssl-config.mozilla.org/ffdhe2048.txt > /path/to/dhparam.pem # curl https://ssl-config.mozilla.org/ffdhe2048.txt > /path/to/dhparam.pem
# not actually 1024 bits, this applies to all DHE >= 1024 bits # not actually 1024 bits, this applies to all DHE >= 1024 bits
# smtpd_tls_dh1024_param_file = /path/to/dhparam.pem # smtpd_tls_dh1024_param_file = /path/to/dhparam.pem
tls_medium_cipherlist = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384 # This custom medium cipherlist recommendation only works if we have a DH ... which we don't, c.f. https://github.com/YunoHost/issues/issues/93
# On the other hand, the postfix doc strongly discourage tweaking this list ... So whatever, let's keep the mandatory_ciphers to high like we did before applying the Mozilla recommendation ...
#tls_medium_cipherlist = ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
tls_preempt_cipherlist = no tls_preempt_cipherlist = no
# Custom Yunohost stuff ... because we can't use the recommendation about medium cipher list ...
smtpd_tls_mandatory_ciphers=high
smtpd_tls_eecdh_grade = ultra
############################################################################### ###############################################################################
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_tls_loglevel=1 smtpd_tls_loglevel=1