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Better (more secure) config.

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see #75
This commit is contained in:
Antoine Nguyen
2016-12-07 16:57:12 +01:00
parent 55cacdc1ed
commit 84ad8e80b9
5 changed files with 15 additions and 5 deletions
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5
modoboa_installer/scripts/files/dovecot/conf.d/10-ssl.conf.tpl
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@@ -41,10 +41,11 @@ ssl_key = <%tls_key_file
#ssl_parameters_regenerate = 168
# SSL protocols to use
#ssl_protocols = !SSLv2
ssl_protocols = !SSLv2 !SSLv3
# SSL ciphers to use
#ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:!aNULL
ssl_cipher_list = EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH+aRSA+RC4:EECDH:EDH+aRSA:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4
# SSL crypto device to use, for valid values run "openssl engine"
#ssl_crypto_device =

4
modoboa_installer/scripts/files/nginx/nginx.conf.tpl
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@@ -16,9 +16,11 @@ server {
ssl_certificate %tls_cert_file;
ssl_certificate_key %tls_key_file;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers RC4:HIGH:!aNULL:!MD5;
ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:ECDHE-RSA-AES128-GCM-SHA256:AES256+EECDH:DHE-RSA-AES128-GCM-SHA256:AES256+EDH:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:10m;
ssl_verify_depth 3;
ssl_dhparam /etc/nginx/dhparam.pem;
client_max_body_size 10M;

6
modoboa_installer/scripts/files/postfix/main.cf.tpl
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@@ -34,10 +34,11 @@ smtpd_tls_security_level = may
smtpd_tls_received_header = yes
# Disallow SSLv2 and SSLv3, only accept secure ciphers
smtpd_tls_protocols = !SSLv2, !SSLv3
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3
smtpd_tls_mandatory_ciphers = high
smtpd_tls_exclude_ciphers = ECDHE-RSA-RC4-SHA
smtpd_tls_mandatory_exclude_ciphers = ECDHE-RSA-RC4-SHA
smtpd_tls_mandatory_exclude_ciphers = aNULL, MD5 , DES, ADH, RC4, PSD, SRP, 3DES, eNULL
smtpd_tls_exclude_ciphers = aNULL, MD5 , DES, ADH, RC4, PSD, SRP, 3DES, eNULL
# Enable elliptic curve cryptography
smtpd_tls_eecdh_grade = strong
@@ -45,6 +46,7 @@ smtpd_tls_eecdh_grade = strong
# Use TLS if this is supported by the remote SMTP server, otherwise use plaintext.
smtp_tls_security_level = may
smtp_tls_loglevel = 1
smtp_tls_exclude_ciphers = EXPORT, LOW
## Virtual transport settings
#

1
modoboa_installer/scripts/files/postfix/master.cf.tpl
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@@ -19,6 +19,7 @@ tlsproxy unix - - - - 0 tlsproxy
submission inet n - - - - smtpd
-o syslog_name=postfix/submission
-o smtpd_tls_security_level=encrypt
-o tls_preempt_cipherlist=yes
-o smtpd_sasl_auth_enable=yes
-o smtpd_reject_unlisted_recipient=no
-o smtpd_client_restrictions=permit_sasl_authenticated,reject