mirror of
https://github.com/mail-in-a-box/mailinabox.git
synced 2024-12-23 07:27:05 +00:00
f046031b26
My own /etc/nginx/nginx.conf was messed up, so what I thought were Ubuntu 14.04 defaults weren't, and we lost the ssl_protocols and ssl_prefer_server_ciphers settings. This puts those back. https://discourse.mailinabox.email/t/dev-master-version-reported-as-poodle-attack-vulnerable-by-ssllabs/898
77 lines
3.3 KiB
Plaintext
77 lines
3.3 KiB
Plaintext
# from: https://gist.github.com/konklone/6532544
|
|
###################################################################################
|
|
|
|
# Basically the nginx configuration I use at konklone.com.
|
|
# I check it using https://www.ssllabs.com/ssltest/analyze.html?d=konklone.com
|
|
#
|
|
# To provide feedback, please tweet at @konklone or email eric@konklone.com.
|
|
# Comments on gists don't notify the author.
|
|
#
|
|
# Thanks to WubTheCaptain (https://wubthecaptain.eu) for his help and ciphersuites.
|
|
# Thanks to Ilya Grigorik (https://www.igvita.com) for constant inspiration.
|
|
|
|
# Path to certificate and private key.
|
|
# The .crt may omit the root CA cert, if it's a standard CA that ships with clients.
|
|
#ssl_certificate /path/to/unified.crt;
|
|
#ssl_certificate_key /path/to/my-private-decrypted.key;
|
|
|
|
# Tell browsers to require SSL (warning: difficult to change your mind)
|
|
# Handled by the management daemon because we can toggle this version or a
|
|
# preload version.
|
|
#add_header Strict-Transport-Security max-age=31536000;
|
|
|
|
# Prefer certain ciphersuites, to enforce Forward Secrecy and avoid known vulnerabilities.
|
|
#
|
|
# Forces forward secrecy in all browsers and clients that can use TLS,
|
|
# but with a small exception (DES-CBC3-SHA) for IE8/XP users.
|
|
#
|
|
# Reference client: https://www.ssllabs.com/ssltest/analyze.html
|
|
ssl_prefer_server_ciphers on;
|
|
ssl_ciphers 'kEECDH+ECDSA+AES128 kEECDH+ECDSA+AES256 kEECDH+AES128 kEECDH+AES256 kEDH+AES128 kEDH+AES256 DES-CBC3-SHA +SHA !aNULL !eNULL !LOW !MD5 !EXP !DSS !PSK !SRP !kECDH !CAMELLIA !RC4 !SEED';
|
|
|
|
# Cut out (the old, broken) SSLv3 entirely.
|
|
# This **excludes IE6 users** and (apparently) Yandexbot.
|
|
# Just comment out if you need to support IE6, bless your soul.
|
|
ssl_protocols TLSv1.2 TLSv1.1 TLSv1;
|
|
|
|
# Turn on session resumption, using a 10 min cache shared across nginx processes,
|
|
# as recommended by http://nginx.org/en/docs/http/configuring_https_servers.html
|
|
ssl_session_cache shared:SSL:10m;
|
|
ssl_session_timeout 10m;
|
|
#keepalive_timeout 70; # in Ubuntu 14.04/nginx 1.4.6 the default is 65, so plenty good
|
|
|
|
# Buffer size of 1400 bytes fits in one MTU.
|
|
# nginx 1.5.9+ ONLY
|
|
#ssl_buffer_size 1400;
|
|
|
|
# SPDY header compression (0 for none, 9 for slow/heavy compression). Preferred is 6.
|
|
#
|
|
# BUT: header compression is flawed and vulnerable in SPDY versions 1 - 3.
|
|
# Disable with 0, until using a version of nginx with SPDY 4.
|
|
spdy_headers_comp 0;
|
|
|
|
# Now let's really get fancy, and pre-generate a 2048 bit random parameter
|
|
# for DH elliptic curves. If not created and specified, default is only 1024 bits.
|
|
#
|
|
# Generated by OpenSSL with the following command:
|
|
# openssl dhparam -outform pem -out dhparam2048.pem 2048
|
|
#
|
|
# Note: raising the bits to 2048 excludes Java 6 clients. Comment out if a problem.
|
|
ssl_dhparam STORAGE_ROOT/ssl/dh2048.pem;
|
|
|
|
|
|
# OCSP stapling - means nginx will poll the CA for signed OCSP responses,
|
|
# and send them to clients so clients don't make their own OCSP calls.
|
|
# http://en.wikipedia.org/wiki/OCSP_stapling
|
|
#
|
|
# while the ssl_certificate above may omit the root cert if the CA is trusted,
|
|
# ssl_trusted_certificate below must point to a chain of **all** certs
|
|
# in the trust path - (your cert, intermediary certs, root cert)
|
|
#
|
|
# 8.8.8.8 and 8.8.4.4 below are Google's public IPv4 DNS servers.
|
|
# nginx will use them to talk to the CA.
|
|
ssl_stapling on;
|
|
ssl_stapling_verify on;
|
|
resolver 127.0.0.1 valid=86400;
|
|
resolver_timeout 10;
|