What's the easiest way to restrict access to a specific port on Ubuntu?

What's the easiest way to restrict access to a specific port on Ubuntu?
by

1 Answer

Answer :

answer:i have heard iptables is the way to go…. i’ll see if i can’t find some resources…. http://iptables-tutorial.frozentux.net/iptables-tutorial.html looks to be a pretty long resource, if you need more help, let me know….
by

Related questions

What's the difference between Street, Avenue, Boulevard, Way, Lane, Port, Circle, Highway, Expressway, Freeway, Road, Thruway, Beltway, Court, Frontage, Drive, Bay, Square, Route, Culdesac and Interstate?

Description : What's the difference between Street, Avenue, Boulevard, Way, Lane, Port, Circle, Highway, Expressway, Freeway, Road, Thruway, Beltway, Court, Frontage, Drive, Bay, Square, Route, Culdesac and Interstate?

Last Answer : Hey. You forgot Trail and Parkway.

So, likely no headphone port on the iphone 7, what do you think? (aka are you a sheep)

Description : So, likely no headphone port on the iphone 7, what do you think? (aka are you a sheep)

Last Answer : Since I am not stupid enough to use any apple products, I do not care. Besides, I do not listen to music on my phone anyway, I have an mp3 player for that. But oh ye ... you will convince yourself that you love it. Enjoy your overpriced shiny apple headphones and/or ultra expensive adaptors.

Multi USB port extenders...

Description : Multi USB port extenders...

Last Answer : It is your lucky day. I have a open 7 port usb hub on my desk. Here is a picture. As you can see it is bit more than splicing some wire together.

Do HP Pavillon dv9000s have a port for express cards?

Description : Do HP Pavillon dv9000s have a port for express cards?

Last Answer : yes it does…it should be on the left side of the laptop…near the front corner closest to you if you had it in your lap.

Two port networks are connected in cascade. The parameters of the network are obtained by multiplying in individual

Description : Two port networks are connected in cascade. The parameters of the network are obtained by multiplying in individual

Last Answer : Two port networks are connected in cascade. The parameters of the network are obtained by multiplying in individual ABCD parameter matrix

Minecraft server, can't connect via external IP?

Description : Minecraft server, can't connect via external IP?

Last Answer : answer:If the Minecraft server is on your local network and you are trying to access it with an external IP address, this may not work because many routers block loopback traffic. Connect with 192.168 ... IP. Then call a friend to test the server from a Minecraft client using the external address.

On Facebook, how can I restrict access only to a specific group, and later on, withdraw access?

Description : On Facebook, how can I restrict access only to a specific group, and later on, withdraw access?

Last Answer : You shouldn’t be looking at Facebook to accomplish your goals, it does not have the sort of granularity that you are looking for. Try Dropbox instead.

What do you think about the possibility for the owner to restrict access to the facility to a group of citizens?

Description : http://www.lidovky.cz/detem-vstup-zakazan-0qz-/zpravy-domov.aspx?c=A160329_105956_ln_domov_sij

Last Answer : My opinion is that each owner has the right to determine for himself who is allowed into his business and who is not. And frankly, kids under the age of 6 don't really belong in a restaurant. This is not discrimination.

Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Description : Restriction endonucleases are enzymes which (a) make cuts at specific positions within the DNA molecule (b) recognize a specific nucleotide sequence for binding of DNA ligase (c) restrict the action of the enzyme DNA polymerase (d) remove nucleotides from the ends of the DNA molecule

Last Answer : (a) make cuts at specific positions within the DNA molecule

How can I create a new user that can only access a single directory with FTP on Ubuntu?

Description : How can I create a new user that can only access a single directory with FTP on Ubuntu?

Last Answer : answer:I'm not sure what your needs are, but I had a similar situation where I needed someone to be able to move files to/from my server. It turned out that it was a lot easier for me to use ... https://www.dropbox.com/install?os=lnx I don't use ftp, but google is suggesting proftpd when I search.

How can I safely remove Ubuntu 10.10 from my PC / or How do I access Ubuntu files from inside Windows 7?

Description : How can I safely remove Ubuntu 10.10 from my PC / or How do I access Ubuntu files from inside Windows 7?

Last Answer : answer:I'm used Ubuntu a couple of times, but it's not my distro of choice so some of this may be a bit off. I had thought Ubuntu already had what it needed to read from a Windows partition (these ... to boot from the CD in Recovery mode, I think it's called, and re-write the MBR from there.

What is the easiest sure-fire way to access your own unconscious mind?

Description : What is the easiest sure-fire way to access your own unconscious mind?

Last Answer : LSD

What is the importance of developing Chabahar Port by India? (1) India's trade with African countries will enormously increase. (2) India's relations with oil-producing Arab countries will be strengthened. (3) India will not depend on Pakistan for access to Afghanistan and Central Asia. (4) Pakistan will facilitate and protect the installation of a gas pipeline between Iraq and India.

Description : What is the importance of developing Chabahar Port by India? (1) India's trade with African countries will enormously increase. (2) India's relations with oil-producing Arab countries will be ... (4) Pakistan will facilitate and protect the installation of a gas pipeline between Iraq and India.

Last Answer : (3) India will not depend on Pakistan for access to Afghanistan and Central Asia. Explanation: In May 2016, India and Iran signed the "historic" Chabahar port agreement, which has the potential of becoming India's gateway to Afghanistan, Central Asia and Europe. So, C is the most fitting answer.

Which of the following are ways to provide login access to a router? (choose all that apply) A. HTTP B. Aux Port C. Console D. LLC E. Telnet F.

Description : Which of the following are ways to provide login access to a router? (choose all that apply) A. HTTP B. Aux Port C. Console D. LLC E. Telnet F.

Last Answer : Aux Port

Suppose you are browsing the world wide web using a web browser and trying to access the web servers. What is the underlying protocol and port number that are being used? a. UDP, 80 b. TCP, 80 c. TCP, 25 d. UDP, 25

Description : Suppose you are browsing the world wide web using a web browser and trying to access the web servers. What is the underlying protocol and port number that are being used? a. UDP, 80 b. TCP, 80 c. TCP, 25 d. UDP, 25

Last Answer : b. TCP, 80

A _____ is a TCP name for a transport service access point. a. port b. pipe c. node d. protocol

Description : A _____ is a TCP name for a transport service access point. a. port b. pipe c. node d. protocol

Last Answer : a. port

A _____ is a TCP name for a transport service access point. a. port b. pipe c. node d. protocol

Description : A _____ is a TCP name for a transport service access point. a. port b. pipe c. node d. protocol

Last Answer : a. port

Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number? 1) Application layer Firewall 2) Packet Filtering Firewall 3) Router enhanced firewall 4) IP enabled firewall

Description : Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number? 1) Application layer Firewall 2) Packet Filtering Firewall 3) Router enhanced firewall 4) IP enabled firewall

Last Answer : 2) Packet Filtering Firewall

Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number? 1 Application layer Firewall 2 Packet Filtering Firewall 3 Router enhanced firewall 4 IP enabled firewall

Description : Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number? 1 Application layer Firewall 2 Packet Filtering Firewall 3 Router enhanced firewall 4 IP enabled firewall

Last Answer : 2 Packet Filtering Firewall

How many access lists are allowed per interface? * One per port, per protocol * Two per port, per protocol * Unlimited * Router interface +1 per port.

Description : How many access lists are allowed per interface? * One per port, per protocol * Two per port, per protocol * Unlimited * Router interface +1 per port.

Last Answer : Correct answer: A Only one access list is allowed per interface. An access list must have conditions that test true for all packets that use the access list.

Specifically, how does the Georgia election reform restrict voting?

Description : Specifically, how does the Georgia election reform restrict voting?

Last Answer : Have you considered quitting golf so you can move to Georgia and become an anti-democracy activist? This seems to be your passion. You could put all of your efforts into suppressing the vote. You have the means and you don’t work. Go for it.

Do I have to restrict my tuna intake to one can a week?

Description : Do I have to restrict my tuna intake to one can a week?

Last Answer : answer:Check number 3. 6 ounces per week. So if the container has more than 6 oz, of Tuna; skip a week. Also notice to avoid swordfish and other large ocean fish. Shrimp and Salmon are good fish to eat for your eating pleasure. Glad you are eating healthy. EDITED MY BAD no link.

Assuming the US reduces coal use due to negative externalities, should the US restrict coal exports to China and India who seek to use and build more coal-fired electrical generating plants?

Description : Assuming the US reduces coal use due to negative externalities, should the US restrict coal exports to China and India who seek to use and build more coal-fired electrical generating plants?

Last Answer : Coal jobs are already being lost at an alarming rate. If we don’t mine it, it will come from other coal exporting countries. I don’t see any benefit to hurting ourselves in a futile attempt to manage other countries.

What does "Please do not provide email addresses that block or restrict CDC-INFO from responding, thank you." mean?

Description : What does "Please do not provide email addresses that block or restrict CDC-INFO from responding, thank you." mean?

Last Answer : Some folks have turned on high-security email filtering on their incoming POP3 email server. Usually that means they won't get an email unless it's from an address on an approved list. If CDC-INFO ... list for someone with that security/spam-filter mode then CDC-INFO would not be able to respond.

Has urinary incontinence caused you to restrict your activities and limit your social interactions to avoid embarrassment?

Description : Has urinary incontinence caused you to restrict your activities and limit your social interactions to avoid embarrassment?

Last Answer : answer:Man, I so sympathize. Ever since my third child was born (almost 16 years ago!), I've had a prolapsed bladder. If I have a prolonged cough or a bad coughing fit, I'm likely to pee. Sometimes laughing ... I know it's likely to be a problem (when I'm sick with a cough), I wear pads. Blech.

Is there anything you restrict your spouse, mate, lover, etc. from wearing when you are not with them?

Description : Is there anything you restrict your spouse, mate, lover, etc. from wearing when you are not with them?

Last Answer : Nope

Does the pursuit of freedom restrict one's freedom?

Description : Does the pursuit of freedom restrict one's freedom?

Last Answer : Name something that constricts your freedom?

Can anyone tell me how to restrict users from changing desktop settings in Windows 7 Home version?

Description : Can anyone tell me how to restrict users from changing desktop settings in Windows 7 Home version?

Last Answer : Can you make a separate login just for him and make the files available to that user as well?

Do you measure or restrict the amount of food your pet gets?

Description : Do you measure or restrict the amount of food your pet gets?

Last Answer : My vet warned against allowing self-feeding for the cat because he thought I should be feeding canned food. And he wants the dog on a diet.

Is it true that eating too much Carbohydrates will restrict HGH release in our body?

Description : Is it true that eating too much Carbohydrates will restrict HGH release in our body?

Last Answer : I do not know if carbs inhibit the release of growth hormones, though I doubt it, but the reason why Asians tend to be shorter than Westerners is because of the diet. Asians consume less protein ... , for example, as the new generation eats a more indulgent, protein-rich, Western -type diet.

How do i restrict inappropriate material from reaching my teenagers? i use a router for their computers. help please.

Description : How do i restrict inappropriate material from reaching my teenagers? i use a router for their computers. help please.

Last Answer : HOW DO I RESTRICT INAPPROPRIATE MATERIAL FROM REACHING MY TEENAGERS? I USE A ROUTER FOR THEIR COMPUTERS. HELP PLEASE.

How to restrict useage of downloaded content on an Xbox 360?

Description : How to restrict useage of downloaded content on an Xbox 360?

Last Answer : Gee. Sibling nastiness. How unrefreshing. Were you always mean spirited?

Is there a freeware program that will allow me to simply hold down a key to restrict my mouse movemement to either the X or Y plane?

Description : Is there a freeware program that will allow me to simply hold down a key to restrict my mouse movemement to either the X or Y plane?

Last Answer : I’ve seen this function in graphics programs but never as a standalone program. However, I don’t really see the use for it outside of a graphics program. Good luck

Name three types of law that can help restrict software piracy. -Technology

Description : Name three types of law that can help restrict software piracy. -Technology

Last Answer : The following are the three types of law that can help to restrict software piracy:1. Copyright2. Patent3. Trademark

With which does the power to extend or restrict the jurisdiction of the High Court rest? -General Knowledge

Description : With which does the power to extend or restrict the jurisdiction of the High Court rest? -General Knowledge

Last Answer : The answer is 'With the Parliament'

With which does the power to extend or restrict the jurisdiction of the High Court rest? -General Knowledge

Description : With which does the power to extend or restrict the jurisdiction of the High Court rest? -General Knowledge

Last Answer : answer:

With which does the power to extend or restrict the jurisdiction of the High Court rest? -General Knowledge

Description : With which does the power to extend or restrict the jurisdiction of the High Court rest? -General Knowledge

Last Answer : answer:

How often do you make resolutions , do you restrict them to new years?

Description : How often do you make resolutions , do you restrict them to new years?

Last Answer : I really don't stick to New Years resolution, I may be say or think of doing something or change something about myself or things around me but, not really needed to be during New Years time. I think ... there is no harm anyway when doing the resolution, you have to be true and be committed to it.

How to restrict gadget usage in children?

Description : How to restrict gadget usage in children?

Last Answer : When my grandchildren come to visit I have to restrict the use of gadgets for my grandson. If I didn't he would sit on the couch all day long in his PJs and just play on his computer, tablet ... There is so much more to life than sitting with your nose stuck in a phone or other electronic device.

What did newly constituted state legislatures in the south do to restrict the freedom of the former slaves?

Description : What did newly constituted state legislatures in the south do to restrict the freedom of the former slaves?

Last Answer : they established "black code" which disabled blacks from havingtotal freedom. It was less harsh then slavery mainly because theyneeded to provide clothing, shelter, food, and education. Thereason they ... have enough money to support them selvesand white people were able to take advantage of them.

Why did the Australian government restrict immigration after it became independent from Great Britain in 1901?

Description : Why did the Australian government restrict immigration after it became independent from Great Britain in 1901?

Last Answer : What is the answer ?

what are the requirements or what could restrict one from being a qualified sperm donor Where would one get paid for sperm?

Description : what are the requirements or what could restrict one from being a qualified sperm donor Where would one get paid for sperm?

Last Answer : A sperm bank can restrict donors in anyway, but the usual qualifications are: between the age of 18-45, healthy and no history of genetic disease, both parents known, and a willingness to produce ... itself is the payee, but they usually hold the payment until the donor's blood screen is completed.

Do diabetes diets completely restrict any types of foods?

Description : Do diabetes diets completely restrict any types of foods?

Last Answer : While most Diabetes diets do not completely restrict any foods, most do advise restricting sugars in any form, many fruits that are high in sugar and many starchy foods. It is also ... just your diabetes. http://type2diabetesdiettips.com/what-are-the-dietary-restrictions-for-type-2-diabetes/

Can you restrict debit cards for teens?

Description : Can you restrict debit cards for teens?

Last Answer : I know that Wells Fargo has a teen account. The teen is only allowed to spend so much per day out of their account and they can only take so much out of the ATM. The parents can decide the limits of the ATM/Debit cards.

why does Maureen Downey believe that Georgia should restrict issuing driver’s licenses to people who are 17 years and older?

Description : why does Maureen Downey believe that Georgia should restrict issuing driver’s licenses to people who are 17 years and older?

Last Answer : V

Why do most countries in Western Europe restrict the growth of cities and suburbs *?

Description : Why do most countries in Western Europe restrict the growth of cities and suburbs *?

Last Answer : i dont know the answer

How did the Poll Tax restrict African Americans from voting?

Description : How did the Poll Tax restrict African Americans from voting?

Last Answer : In 1964 the Twenty-fourth Amendment prohibited the use of poll taxes. In 1965, the Voting Rights Act directed the Attorney General to enforce the right to vote for African Americans. The 1965 Voting Rights Act created a significant change in the status of African Americans throughout the South.

How did the Literacy Test restrict African Americans from voting?

Description : How did the Literacy Test restrict African Americans from voting?

Last Answer : Southern state legislatures employed literacy tests as part of the voter registration process starting in the late 19th century. Literacy tests, along with poll taxes, residency and property ... legal activities (violence and intimidation) were all used to deny suffrage to African Americans.

Crops, which protect another crops from trespassing of animals or restrict the speed of wind and are mainly grown as border

Description : Crops, which protect another crops from trespassing of animals or restrict the speed of wind and are mainly grown as border

Last Answer : Ans.Border/Guard Crops

Which of the following statement(s) is/are true concerning pharmacologic agents used in the treatment of shock? a. The primary difference between dopamine and dobutamine is the absence of significant a adrenergic activity b. The renal and mesenteric vasoconstrictive effects of norepinephrine complicate and sometimes restrict its use c. The apparent paradoxical use of vasodilators, such as nitroprusside, in shock is indicated as a means to augment cardiac function d. Isoproterenol with its potent b-adrenergic effect, is a particularly useful agent in the treatment of all forms of shock

Description : Which of the following statement(s) is/are true concerning pharmacologic agents used in the treatment of shock? a. The primary difference between dopamine and dobutamine is the absence of significant a ... b-adrenergic effect, is a particularly useful agent in the treatment of all forms of shock

Last Answer : Answer: a, b, c Therapeutic adjustments of intravascular volume (preload) and systemic vascular resistance (afterload) form the basis of the treatment strategies for all ... careful constant monitoring of arterial pressure and repeated hemodynamic measurements with a pulmonary artery catheter