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Finger Protocol - TCP/IP Suite
The "finger" protocol is used to return information on users on a specific host. Information that can be gained by using the finger is to see if someone is actively logged on to a server, or find a valid username. The finger protocol is far less prevalent now than it once was due to some problems with the protocol. Back in 1988 an Internet worm exploited an error in the protocol, and additional it was used by mischievous people to find information about server users. Finger had the potential to provide one of these mischievous users with information such as login name, phone number, and the last time the user had logged on to the system.
The finger service is very well known, and runs on port seventy-nine (79). The client or user opens an active open connection to port seventy-nine (79) with a one-line query, which is then processed by the server. The server then sends back the output of that query and then closes the connection to the client.
As I mentioned early due to problems in the past with the protocol many servers have this service disabled entirely in which case when the client attempts to connect to the service and the server has no passive open connection it will send back a RST and drop the connection. Though more often than not there will be a firewall blocking this port entirely and you won't even get that far.
For the full technical description and inner workings of this protocol please refer to its RFC, the finger protocol is defined in RFC 1288.
Broadband Satellite Antenna Pizza Box Size
Thanks to the transfer technologies and governments spending on military needs, soon the public will have Broadband Satellite antennas no larger than the dimensions of a Pizza Box. Lightening fast Internet from the heavens. The new record for the World's smallest broadband satellite antenna was launched in Singapore this week. Absolutely incredible new technology, which seems to be very similar to something that DARPA was working on.
How to Secure your DSl / Cable Internet Connection Against Malicious Attacks
Securing your Windows Xp computer is done by achieving two main tasks.
How to Choose Best ISP for Your Needs
Well, the Internet access industry is starting to shake its way out. The much-anticipated consolidation of access providers is nearing its end. In broadband, this means that most users have little or no choice of providers. Though many of the changes have been hard on user choice, this is not necessarily a bad thing. In some cases, it's better to have one stable and pricey provider than 100 unstable, cheap providers. The shakeout was painful for scores of users who often were left with no connection when they needed it most. And some providers left standing don't exactly have good track records, either.
Internet service providers are becoming more and more present as the internet makes its way into more and more homes in America. This is making it harder to decide which ISP to subscribe to. In fact, most of them have a list of benefits to entice customers into subscribing from their ISP. Here is some information on the basic features that should come with a good ISP.
3 Tips to Fix Unreliable Wireless Connections
Generally speaking, wireless computer connections are reliable. However, nothing is perfect, and sometimes you may lose your connection or experience a weak signal. There are many factors that impact the reliability of your wireless connection.
3G EV-DO or How the Internet Got Its Wings!
The Internet, as most people know it, is history.
Searching for the Right ISP
When searching for the right ISP there are a number of items to look at. How much is it going to cost me? What is the connection like? What are the Features? Is it available in my area? You will soon find that there are many ISP's to choose from. So, it is beneficial for you to pick the right internet service provider.
Ka Band -Affordable Satellite Internet On The Way!
Ka Band VSAT* satellite internet technology has enormous possibilities for telecommuters, rural locations and eventually for Motor Home users around the U.S. - if it works! Ka Band satellite internet is an all new approach to sending and receiving internet traffic from space (satellites used for internet are at least 23,000 miles from Earth). *Very small aperture terminal.
Wanadoo: 17.99 Pounds 1Mbps Service
Wanadoo 17.99 pounds 1 mbps service getting good reviews.
Webmail - What are the Benefits?
There are so many different webmail services on the internet, from the huge ones like Yahoo, Gmail, Hotmail, to the much smaller ones from private websites and ISPs. There is a lot to worry about with e-mail these days but some of these front line webmail services are really a great way of helping to protect your system.
Broadband - Will it Affect Your Online Marketing Future?
The coming age of general Broadband use bearing down upon us, minute by minute, is going to leave many changes in its wake. Some will be welcome; others will demand all we can do, just to keep up!
What are Your Internet Connection Solutions?
Of primary concern to all internet users is their actual connection to the internet.
Broadband is State-of-the-Art Internet Access: How Can a Broadband Cable Benefit You?
We are now well ensconced in a time when the Web is riddled with graphics, animations, sounds, and videos, bringing about a necessity for superior internet access such as that which broadband can provide. The fact is that anything less than the speed supplied by a broadband cable has become inadequate for today's Web users.
Wireless Technologies in Mass Transit for Convenience and Safety
Modern Mass Transit is making it easier for commuters, especially with the latest inter connecting wireless technologies. Many buses, commuter trains, shuttles and even trolley cars now have WiFi wireless computer access so no one is out of touch during the travel time. This is being done now in Baltimore to NY trains and in Sacramento to San Francisco Trains thanks to Amtrak. After all we now have WiFi hotspots at McDonalds, Kinko's, Book Stores, Starbucks, Airports and hotel lobbies already.
Approximately 4 million people in the UK use ADSL with an extra 2 million using a cable connection, meaning 6 million people in the UK have an always-on internet connection. Of these over 1.7 million are subscribed to BT's broadband package, making them the UK's main broadband provider.
Beta Testing First Mobile Internet Satellite Broadband, Part III
Back in 1999 when we beta tested the first wireless mobile office with satellite broadband Internet we had something that no one lese had. Today you can buy these systems for $5,500 fully installed on any RV. We probably had $10,000 in the first system and we had mobile satellite number 34. Today there are thousands of systems out there. Continuing the beta testing story of the first broadband satellite internet system.
Find the Best Broadband Provider for You
To find the best broadband provider for you takes some effort.
How to Test Your DSL and Cable Internet Connection Speed
There are two measured elements that determine your internet connection speed. They are: The download rate, and the upload rate of data measured in bits per seconds. Usually, it is expressed in Kilobits per second.
ICMP Protocol - Internet Control Message Protocol
The Internet Control Message Protocol communicates errors messages between systems that require attention. This error is not usually at the user level, the error is handled by the application layer. In the OSI Reference model, ICMPs are generally considered part of the IP layer.
Unlimited Bandwidth and Overselling
One of the most controversial topics surrounding web hosting is the practice of overselling bandwidth, and rightfully so. The practice of overselling has enormous potential for disaster ? ask any webmaster who has ever woken up to a cold, unforgiving "Bandwidth Exceeded" message where his or her site should be. The risk of such outages is all too real, and the cleanup effort for network bandwidth outages is a long and arduous process.
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