Linux Lab 2 (Network tools) Quiz

What are useful options for netstat?

What port does ssh use?

What port does HTTP use?

If running the client on the same system as your server, you will see both a client & server connection with netstat

A server where the main server listens for additional connections and the child process handles the client requests is an exmaple of a ______ server

Nc can work as a client, or in server mode listening to requests

Where are well known ports listed?

What is the default role in iptables?

What is the command to flush the current iptable rules?

What is the command to list the current iptable rules?

When you configure iptables, the rules are store in memory only

When you deny a packet, it gives a notification

Add a rule that rejects incoming traffic on port 49999

To insert a 3rd rule, I can use -I INPUT 3

Order doesn't matter with iptables

Order with iptables should be

You can use the _____ utility to save your iptable rules to a file

To store iptables rules so they are read by the service startup script, use this command:

Iptables will load the system firewall rules stored in

Restore iptables by using this utility:

When using iptables-save and iptables-restore, the rules are saved in a non-editable format

When loading firewall rules from a script. The iptables service does not need to be started

The _____ utility is used to capture and view network traffic

Consult the _____ file to list common assigned port numbers