SQUID: How to disable authentication?

Question

I have a working Squid with authentication. How do I temporarily disable authentication? Can I just comment out the following lines below from squid.conf:

acl ncsa_u

Answer 1

Try with:

Comment:

#acl ncsa_users proxy_auth REQUIRED
#auth_param basic program /usr/lib/squid3/ncsa_auth /etc/squid3/passwd auth_param basic
#children 5 auth_param basic realm Squid proxy-caching web server auth_param basic  
#credentialstt1 2 hours auth_param basic casesensitive off

And modify:

http_access deny all

to:

http_access allow all