Exam 19: Securing Linux

Buffer overflow attacks have become less prevalent with the growth of the Internet.

You use the ____ command to specify default file and directory permissions, which can have a major impact on a server's security when files are created.

Describe one method to secure NFS.

Given the sample file permission mask, AAABBBCCCDDD, which bits represents read, write, and execute permissions for a group, with the same octal values as for user permissions?

A computer cannot be completely safeguarded from DoS attacks.

A(n) ____________________ is a program that captures and views packets as they're transmitted over a network.

____________________ developed by Wietse Venema, is a widely used tool that logs connections and is used to allow or deny access to network services.

Explain why you would use the ps -aux command.

How are Common Gateway Interface (CGI) script intrusions implemented and prevented?

Match each statement with an item -Allows users to transfer files across a network with FTP.