Summary
Acunetix 360 detected that anonymous ciphers is supported during secure communication (SSL).
You should allow only strong ciphers on your web server to protect your secure communication with your visitors.
Impact
Attackers can perform man-in-the middle attacks and observe the encrypted traffic between your website and your visitors.
Actions To Take
Configure your web server to disallow using anonymous ciphers.
For Apache, you should modify the SSLCipherSuite directive in the httpd.conf. For more configuration, please refer to External References section.
SSLCipherSuite ALL:!aNULL:!ADH:!eNULL:!LOW:!EXP:RC4+RSA:+HIGH:+MEDIUM