Select the files that are associated with TCP Wrappers. Choose all that apply.

A.
/etc/hosts

B.
/etc/hosts.allow

C.
/etc/hosts.deny

D.
/etc/allow.hosts

E.
/etc/allow.deny

Explanation/Reference:
The example permits tftp requests from hosts in the local domain (notice the leading dot). Requests from any other hosts are denied. Instead of the requested file, a finger probe is sent to the offending host. The result is mailed to the superuser.

/etc/hosts.allow:
in.tftpd: LOCAL, .my.domain

/etc/hosts.deny:
in.tftpd: ALL: (/usr/sbin/safe_finger -l @%h | /usr/bin/mail -s %d-%h root) &