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3 years ago

On a Linux system, which command allows you to modify settings used by the built-in packet filtering firewall?

Computers and Technology

1 answer:

Leni [432]3 years ago

7 0

Answer:

iptables

Explanation:

On a Linux system, iptables command allows us to modify settings of the built-in packet filtering firewall.

Iptables is used to set up, maintain, inspect and update the tables of IP packet filtering rules on Linux.

For example,

To view the current rule settings we can use the command:

# iptables -L -n -v

To add new firewall rules:

# iptables -I INPUT <rule number> -s <source-ip address> -j DROP

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Write a program that accepts a time as an hour and minute. Add 15 minutes to the time

Anastaziya [24]

Answer:

The code is given below

hours = int(input("Enter time in hour: "))

minutes = int(input("Enter time in minute: "))

total time = (hours * 60) + (minutes + 15 )

total hours = int(total minutes / 60)

minutes = total hours/ 60

print("Hours: " + str(hours))

print("Minutes: " + str(minutes))

5 0

3 years ago

Hat is the limit of virtual machines that can be connected to a virtual network?

skad [1K]

<u>Unlimited </u> of virtual machines that can be connected to a virtual network.

<h3>What is a virtual machine employed for?</h3>

Virtual machines (VMs) allow a business to run an operating system that conducts like a thoroughly separate computer in an app window on a desktop.

<h3>What is a virtual machine in simple words?</h3>

A virtual machine (VM) is a virtual domain that functions as a virtual computer system with its CPU, memory, network interface, and storage, constructed on a physical hardware system (located off- or on-premises)

To learn more about Virtual machines , refer

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1 year ago

Yuri is a skilled computer security expert who attempts to break into the systems belonging to his clients. He has permission fr

Tatiana [17]

Answer:

b) White-hat hacker

Explanation:

This is also called an ethical hacker. Unlike the other options, a white-hat hacker is a person specialized on computational security which offers services to organizations to test how safe they are from informatic attacks (viruses, theft of information, etc). This is carried out based on a agreement between the whihte-hat hacker and the client via a contract.

8 0

3 years ago

What are the events?

erastovalidia [21]

Answer:

a thing that happens or takes place, especially one of importance.

8 0

3 years ago

When is an original work considered Public Domain? A. When posted via social media. B. When is it posted on the internet C. When

I am Lyosha [343]

<span>Best Answer is (D)
</span>

Any<span> materials not protected by copyright, patent laws or trademark are referred to as copyright. Generally, the public owns these works, and anyone is allowed to use public domain works without obtaining permission. There are various common ways that these works may end up arriving in the public domain. One of those ways includes the expiration of copyright. The copyright owner may also fail to follow renewal rules that govern copyright. </span>The copyright owner may as well decide to place his or her works deliberately in the public <span>domain.</span>

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4 years ago