This website uses cookies to ensure you have the best experience. Learn more

Common Ports Essay

349 words - 2 pages

Common Ports
Network ports are logical connections, provided by the TCP or UDP protocols at the Transport layer, for use by protocols in the upper layers of the OSI model. The TCP/IP protocol stack uses port numbers to determine what protocol incoming traffic should be directed to. Some characteristics of ports are listed below:
• Ports allow a single host with a single IP address to run network services. Each port number identifies a distinct service.
• Each host can have over 65,000 ports per IP address.
• Port use is regulated by the Internet Corporation for Assigning Names and Numbers (ICANN).
 ICANN specifies three categories for ports.
• Well known ports range from 0 to 1023 and are assigned to common protocols and services.
• Registered ports ...view middle of the document...

For example, if the server is only being used for e-mail, then shut down ports that correspond to FTP, DNS, and HTTP (among others).

Other assignments on Common Ports

Computer Essay

3676 words - 15 pages HUB Networks using a Star topology require a central point for the devices to connect. Originally this device was called a concentrator since it consolidated the cable runs from all network devices. The basic form of concentrator is the hub.   As shown in Figure; the hub is a hardware device that contains multiple, independent ports that match the cable type of the network. Most common hubs interconnect Category 3 or 5 twisted-pair cable with

Test Essay

1829 words - 8 pages destination port numbers. Port number assignment varies. Servers have static port numbers that do not change, client’s request port numbers are chosen at random for each conversation. Many common applications have default or “well-known” port numbers. Well-known port numbers have been assigned the lowest group ranging from 0 to 1023; registered port numbers have been assigned the range from 1024 to 49151; and dynamic or private ports are assigned the

Modern Day Attacks Against Firewalls And Vpns

2441 words - 10 pages firewalls contain a variety of policies but they all at the very least have the same basic policies that can be set up. There are 3 common policies that you will find and these are; Packet filtering, proxy service and stateful inspections. Packet filtering basically analyzes data and crosschecks it with the policies that will either allow or deny the transmission of information in or out of the network. Proxy service is a service which kind of acts

Wifi And Mobile Tech

1500 words - 6 pages technology now await weary travelers in at least 20 airports across the country. Largest domestic aircraft now carry the Gogo WiFi on board; however, international aircraft have limited use of the Gogo WiFi since it cannot reach 100 miles offshore. Employees flying from airports inside the country will have the ability to catch up on work while in the air. Fly Delta a mobile application offers customers a variety of features. Common features include

I Don't Have One

2129 words - 9 pages ) to trade only from coastal centers (B) to monopolize the Indian Ocean trade (C) to set up an African trading network that included the interior trade routes of the Sahara (D) to allow Christian missionaries to evangelize in the cities of the east coast (E) to start a navigators’ school in Portugal All of the following are common problems that the Muslim Empires of 1450-1750 shared EXCEPT: (A

Imperialism

2117 words - 9 pages another's profit, And work another's gain. Take up the White Man's burden-- The savage wars of peace-- Fill full the mouth of Famine And bid the sickness cease; And when your goal is nearest The end for others sought, Watch sloth and heathen Folly Bring all your hopes to nought. Take up the White Man's burden-- No tawdry rule of kings, But toil of serf and sweeper-- The tale of common things. The ports ye shall not

Strayer Pad500 Assignment 1

1300 words - 6 pages latest attempt to mend this malfunctioning system the President has proposed a plan based on four common sense principals which would “build a smart, effective immigration system that continues efforts to secure our borders and cracks down on employers who hire undocumented immigrants (The Whitehouse, 2014).” [pic] (The Whitehouse, 2014) Given the severity of the current day immigration issues and problems that this country

Is3220 Paper

1272 words - 6 pages authentication methods with transmissions that ensure that the sender is who they say they are. Summary As seen, there are a few common themes that should be used when dealing with our network security to prevent a wide variety of attacks. An IDS/IPS should be implemented to not only detect intrusions within the system but to prevent them from causing damage. This should be place within the DMZ as well as within the

Greek And Roman Comparison

6976 words - 28 pages as courtesans and prostitutes (McKay et al., 2007). “Most Hellenistic kingdoms encompassed numerous different peoples who had little in common” (McKay et al., 2007, pg. 108). These kingdoms were ruled by a monarchy government, which was different from the polis the Greek people were accustom to because it did not depend only on citizens to achieve its political needs. “Talented Greeks could expect to rise quickly in the government bureaucracy

Angimex Vietnam

4693 words - 19 pages better. * Ghana is a member of WTO and EOWAS (Economic Community of West Africa) 6. INFRASTRUCTURE CONDITIONS * Ghana has well developed seaports, airports and road networks. Tema (east of Accra) and Takoradi (in western of Ghana) are two main ports. Rail network is upgraded to make it convenient to get the ports from inland. * Communication services such as internet, telephone and telecommunication have been improved due to

Ch 16

2519 words - 11 pages occupational health hazard. Chemotherapy can be administered by multiple routes including oral or IV. The most common is intravenous administration through central vascular access devices, peripherally inserted central venous catheters, or implanted infusion ports. The use of these means reduces the risk of extravasation. Increasingly chemotherapy may be self-administered orally by patients. Providing instruction about proper medication handling

Similar Documents

Funsec Slm Lab01 Essay

452 words - 2 pages © Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION Lab #1 - Assessment Worksheet Performing Network Reconnaissance using Common Tools ITT 255 Intro to Information Security Course Name and Number: _____________________________________________________ Russell Stanton Jr Student Name: ________________________________________________________________ Ms Casey/ Mr Phillips Instructor Name

Nt2580 Essay

319 words - 2 pages password to be changed every 30 days. All computers maintain regular updates and continuous antivirus protection for monitoring. Additionally, no personal devices are allowed on the network. * LAN Domain The Local Area Network (LAN) Domain is a group of computers all connected to a single LAN domain. The LAN Domain is a collection of computers connected to one another or to a common medium. All LAN domains include data closets, physical

Ping Sweeps And Port Scans Essay

1200 words - 5 pages into in order to establish the senders IP address. Ippl is an IP protocol logger that runs in the background and listens for packets; hence, it is high profile ping sweep detection tool (Teo, 2002). b) Port Scans A port scan is another common network probe that is generally used by intruders to establish services that are actually running on the target machine (SANS Institute, 2002). Port scans allow intruders to establish vulnerable

B School Student Essay

623 words - 3 pages consumption and reliance on exports Whether they are able to achieve these targets or not, one thing is for sure, these trade barriers are going to hurt your business, if you are looking to export to that country. Read a little to get an idea of what tariff and non-tariff barriers are. Tariff: In simple words, this is the tax imposed on imported goods. In most cases the tax is collected at the moment some shipment arrives at ports