Exam 7: Working With Proxy Servers and Application-Level Firewalls

Match each item with a statement below. -Scan specific parts of the data portion of an HTTP packet and redirect it to a specific location.

____, a Symantec product, offers a number of residential firewall and security applications that also provide various degrees of content filtering and proxy services.

Match each item with a statement below. -Also called explicit proxies.

Buffer ____________________ occurs when a program attempts to store more data in a temporary storage area (a buffer) than that area can hold.

How do proxy servers differ from packet filters?

How can proxy servers affect performance of the network?

Virtually all proxy server products scan the ____ of a packet and provide some sort of content-filtering system.

Match each item with a statement below. -Computer that has two separate network interfaces, one to the external Internet and one to the internal LAN.

The only reason you should place a proxy server directly on the Internet is if the proxy is intended to serve as a transparent proxy.

What should proxy server administrators consider when configuring proxy servers for various services?

A good alternative to setting up a dedicated proxy server for small businesses is to use a publicly accessible proxy server online.

How do proxy server log files help protect the network?

A disk ____ is a predefined temporary data storage location.

A proxy server rebuilds packets with new ____________________ IP information, which shields internal users from those on the outside.

NetPatrol is ____.

Blocking URLs is unreliable, mainly because URLs are typically blocked by proxy servers as full-text URLs.

A ____ is a service that acts as a proxy for inbound connections.

Describe the pros and cons of blocking URLs with a proxy server.

A ____ is also an identifier consisting of an IP address and port number, such as 172.16.0.1:80.

Proxy servers perform operations on ____-level data.