Hello Everybody
Hope you are doing well. I am using CWP6.admin in CentOS 6.9 with Lets Encrypt .
But My SSL certificate grade is B and My Cipher list is not so strong.
So I am going use Strong Cipher list and I will show you that how to make your SSL certificate
A+ grade .
Visit
https://www.ssllabs.com/ssltest/ and Provide your Server FQDN & wait for the result .
You will see that your SSL is not A+ grade .
Login to your server using SSH .1.Change the directory
#cd /usr/local/apache/conf.d/
2.Backup ssl.conf
3. Edit ssl.conf & paste the below code
#vi ssl.conf
<IfModule !ssl_module>
LoadModule ssl_module modules/mod_ssl.so
</IfModule>
Listen 443
SSLCipherSuite EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH
SSLProtocol All -SSLv2 -SSLv3 -TLSv1 -TLSv1.1
SSLHonorCipherOrder On
Header always set Strict-Transport-Security "max-age=63072000; includeSubDomains; preload"
Header always set X-Frame-Options DENY
Header always set X-Content-Type-Options nosniff
# Requires Apache >= 2.4
SSLCompression off
# OCSP Stapling, only in httpd 2.3.3 and later
SSLUseStapling on
SSLStaplingCache "shmcb:logs/stapling-cache(150000)"
# Requires Apache >= 2.4.11
SSLSessionTickets Off
SSLStaplingResponderTimeout 5
SSLStaplingReturnResponderErrors off
SSLStaplingCache shmcb:/var/run/ocsp(128000)
#NameVirtualHost server_ip:443
4.save & close
5. Open httpd.conf file
#vi /usr/local/apache/conf/httpd.conf
Enable the below module , just uncomment
LoadModule socache_shmcb_module modules/mod_socache_shmcb.so
6.save & close
6.Restart Apache & cwp server
7. Finally visit
https://www.ssllabs.com/ssltest/ & provide your server FQDN , And See result , your server SSL certificate is A+ grade.
Source : Cipherli.st Strong Ciphers for Apache, nginx and Lighttpdhttps://cipherli.st/If you need any further assistance , just post a comment below , i will try to assist you.