class #9 - week #2

1. FTP ethereal capture.

2. ssh secure shell ethereal capture.

3. What is a port, anyway? PORTS. There are two kinds.

4. Bridges operate at the Data Link layer or the 7 layer OSI model. They work with MAC addresses.

   Firewalls:

5. Shorewall firewall software.

6. RFC on FTP: RFC 959 - Request For Comment 959 FTP protocol specification.