- Edit '/etc/apache2/mods-enabled/ssl.conf'
SSLProtocol all -SSLv2 -SSLv3
- Retart Apache
- Edit
postconf -e 'smtpd_tls_mandatory_protocols=!SSLv2,!SSLv3'
postconf -e 'smtpd_tls_protocols=!SSLv2,!SSLv3'
stconf -e 'smtp_tls_protocols=!SSLv2,!SSLv3'
- Restart Postfix
- Edit '/etc/dovecot/dovecot.conf' or '/etc/dovecot/conf.d/10-ssl.conf'
ssl_protocols = !SSLv2 !SSLv3
- Restart Dovecot