Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?



A. tcpd
B. inetd
C. fingerd
D. mountd
E. xinetd

題解

TCP Wrapper可以使用「/etc/hosts.allow」設定檔來設定允許透過網路連入使用服務的主機。所以答案是選項A。