It has been discovered that the company mail server is configured as an open relay. Which of the
following actions would help prevent the mail server from being used as an open relay? (Choose
TWO correct answers.)

CORRECT TEXT
Where is the procmail configuration of the user foo stored if home directories are located in /home?
(Specify the full name of the file, including path.)

CORRECT TEXT
What is the name of the procmail configuration file that is placed in a user home directory?
(Specify the file name only without any path.)

Which format, for storing user e-mail, uses the directories tmp, cur and new in order to solve
reliability problems in other storage formats?

Which setting in the Courier IMAP configuration file will tell the IMAP daemon to listen only on the
localhost interface?

When the default policy for the netfilter INPUT chain is set to DROP, why should a rule allowing traffic to localhost exist?

On a Linux router, packet forwarding for IPv4 has been enabled. After a reboot, the machine no
longer forwards IP packets from other hosts. The command echo 1 > /proc/sys/net/ipv4/ip_forward temporarily resolves this issue.
Which one of the following options is the best way to ensure this setting is saved across system restarts?

The program vsftpd, running in a chroot jail, gives the following error:
/bin/vsftpD. error while loading shared libraries: libc.so.6: cannot open shared object file. No such
file or directory.
Which of the following actions would fix the error?

In order to prevent all anonymous FTP users from listing uploaded file names, what security
precaution can be taken when creating an upload directory?

Which of the following actions should be considered when a FTP chroot jail is created? (Choose
THREE correct answers.)