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Code Issues Releases Wiki Activity

disable SSLv3 in dovecot now that it is known to be insecure (POODLE)

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SSLv3 is already disabled in Postfix (45e93f7dcc) and Nginx (51dd2ed70b).
This commit is contained in:
Joshua Tauberer 2014-10-15 15:32:02 +00:00
parent b5b3fca137
commit 06e074bd32
2 changed files with 4 additions and 2 deletions
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1
CHANGELOG.md
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@ -7,6 +7,7 @@ To-be-released
Breaking changes: Breaking changes:
* On-disk backups are now retained for a minimum of 3 days instead of 14. Beyond that the user is responsible for making off-site copies. * On-disk backups are now retained for a minimum of 3 days instead of 14. Beyond that the user is responsible for making off-site copies.
* IMAP no longer supports the legacy SSLv3 protocol. SSLv3 is now known to be insecure. I don't believe any modern devices will be affected by this. HTTPS and SMTP submission already had SSLv3 disabled.
Control panel: Control panel:

5
setup/mail-dovecot.sh
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@ -43,12 +43,13 @@ tools/editconf.py /etc/dovecot/conf.d/10-auth.conf \
disable_plaintext_auth=yes \ disable_plaintext_auth=yes \
"auth_mechanisms=plain login" "auth_mechanisms=plain login"
# Enable SSL, specify the location of the SSL certificate and private key files, # Enable SSL, specify the location of the SSL certificate and private key files.
# and allow only good ciphers per http://baldric.net/2013/12/07/tls-ciphers-in-postfix-and-dovecot/. # Disable obsolete SSL protocols and allow only good ciphers per http://baldric.net/2013/12/07/tls-ciphers-in-postfix-and-dovecot/.
tools/editconf.py /etc/dovecot/conf.d/10-ssl.conf \ tools/editconf.py /etc/dovecot/conf.d/10-ssl.conf \
ssl=required \ ssl=required \
"ssl_cert=<$STORAGE_ROOT/ssl/ssl_certificate.pem" \ "ssl_cert=<$STORAGE_ROOT/ssl/ssl_certificate.pem" \
"ssl_key=<$STORAGE_ROOT/ssl/ssl_private_key.pem" \ "ssl_key=<$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"
# Disable in-the-clear IMAP and POP because we're paranoid (we haven't even # Disable in-the-clear IMAP and POP because we're paranoid (we haven't even