Which command is used to administer IPv6 netfilter rules?

Performing a DNS lookup with dig results in this answer:

Which http_accessdirective for Squid allows users in the ACL named sales_net to only access the Internet at times specified in the time_aclnamed sales_time?

Which of the following statements allow the logical combinations of conditions in Sieve filters? (Choose two.)

In order to protect a directory on an Apache HTTPD web server with a password, this configuration was added to an .htaccessfile in the respective directory:

Furthermore, a file /var/www/dir/ .htpasswdwas created with the following content:
usera:S3cr3t
Given that all these files were correctly processed by the web server processes, which of the following statements is true about requests to the directory?