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Code Issues Releases Wiki Activity

Implement upstream issue #1228 for stronger dh parameters in Dovecot. (#1232)

This commit is contained in:
Lloyd Smart 2017-08-30 18:04:22 +01:00 committed by Joshua Tauberer
parent 48ff664ee9
commit 81258e2189
1 changed files with 4 additions and 1 deletions
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5
setup/mail-dovecot.sh
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@ -79,12 +79,15 @@ tools/editconf.py /etc/dovecot/conf.d/10-auth.conf \
# Enable SSL, specify the location of the SSL certificate and private key files.
# Disable obsolete SSL protocols and allow only good ciphers per http://baldric.net/2013/12/07/tls-ciphers-in-postfix-and-dovecot/.
# Enable strong ssl dh parameters
tools/editconf.py /etc/dovecot/conf.d/10-ssl.conf \
ssl=required \
"ssl_cert=<$STORAGE_ROOT/ssl/ssl_certificate.pem" \
"ssl_key=<$STORAGE_ROOT/ssl/ssl_private_key.pem" \
"ssl_protocols=!SSLv3 !SSLv2" \
"ssl_cipher_list=TLSv1+HIGH !SSLv2 !RC4 !aNULL !eNULL !3DES @STRENGTH"
"ssl_cipher_list=TLSv1+HIGH !SSLv2 !RC4 !aNULL !eNULL !3DES @STRENGTH" \
"ssl_prefer_server_ciphers = yes" \
"ssl_dh_parameters_length = 2048"
# Disable in-the-clear IMAP/POP because there is no reason for a user to transmit
# login credentials outside of an encrypted connection. Only the over-TLS versions