Answer to Question 1
Web users continually reveal information about themselves when they use the Web. This information includes IP addresses and the type of browser being used. Such data exposure is a secrecy breach. Several companies and organizations offer anonymous Web services that hide personal information from sites visited. These services provide a measure of secrecy to Web surfers who use them by replacing the users IP address with the IP address of the anonymous Web service on the front end of any URLs that the user visits. When the Web site logs the site visitors IP address, it logs the IP address of the anonymous Web service rather than that of the visitor, which preserves the visitors privacy.
Answer to Question 2
Software applications called sniffer programs provide the means to record information that passes through a computer or router that is handling Internet traffic.
Using a sniffer program is analogous to tapping a telephone line and recording a conversation. Sniffer programs can read e-mail messages and unencrypted Web clientserver message traffic, such as user logins, passwords, and credit card numbers.
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