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Once the Wind and the Sun came to have a quarrel. Either of them claimed to be a stronger. At last they agreed to have a trial of strength.

“Here comes a traveller. Let us see who can strip him of his clock,” said the Sun.

The Wind agreed and chose to have the first turn. He blew in the hardest possible way. As a result , the traveller wrapped his cloak even more tightly around him.

the sun shining brighterThen it was the turn of the Sun. At first he shone very gently. So, the traveller loosened his cloak from his neck.

The sun went on shining brighter and brighter. The traveller felt hot. Before long he took off his cloak and put it in his bag. The Wind had to accept his defeat.

MORAL :

Fury or force cuts no ice where

gentleness does the job.

A fox was once caught in a trap. It was only after a tough struggle that she could get free. But, to her sorrow, her beautiful tail had been cut off and left in the trap.

“How ugly I shall look!” moaned the fox, ” won’t the other foxes laugh at me ?”

Thinking hard, the fox hit upon a plan to save herself from being laughed at. The MeetingShe called a meeting of his friends and said, “Brothers! have you ever wondered why after all, we carry these long tails?” Let us cut them off and be free from their nuisance.”

But the other foxes had noticed her cut-off tail. They laughed aloud and replied, “You used to say that tails looked very fine when your own was all right. Now that you have lost yours, you want us to lose ours too.”

MORAL

Dirty tricks seldom work.

A man hired an ass from another man. He paid him Rs.20/- to lend him the ass for the day.

It was a very hot day, and both men wanted to stand in the ass’s shadow, so that they might be cool. But there was only room for one of them.

Then they began to fight, and while they were fighting one of them happened to hit the ass. Then the ass ran away and it took its shadow with it !

Cartoon by Dave Walker.

The Australian Mobile Telecommunications Association (AMTA) has developed consumer tips to assist users to protect themselves against the risk of mobile phone viruses.

This guide explains what viruses are, how they spread, and what can be done about them.

What’s a mobile phone virus?

A mobile phone virus or mobile malware – malicious mobile software – is a computer virus specifically adapted for the mobile phone environment and designed to spread from one vulnerable phone to another.

A virus is a program code that replicates by being copied to another program. Viruses can be transmitted as attachments to an email or in a download file. Some viruses take effect as soon as their code is executed; other viruses can lie dormant. A virus that replicates by resending itself as an email attachment or as a part of a network message is known as a worm.

Viruses can range from benign to quite harmful; they can erase data from the infected phone or send fake messages purporting to be from the phones owner. How prevalent are mobile phone viruses? The current security risk from mobile phone viruses and worms is low.

Until many more smart phones or PDAs are in use, and users of these phones are regularly exchanging executable files, the risk will remain low. The mobile industry takes the threat of viruses very seriously and is continually monitoring its networks and working to protect users from any future risk from mobile phone viruses. There are also some simple measures that individual users can implement to protect themselves.

What can I do to protect my phone?

The following tips can help prevent problems with viruses on your phone:

1. Switch to Bluetooth hidden mode. If your phone has Bluetooth capability, ensure that the Bluetooth capability is switched to hidden or invisible mode unless you specifically need it to be visible. This will help prevent other Bluetooth-enabled devices from finding your phone (unless you grant them the necessary permission) and will therefore help protect your phone from worms that spread using the Bluetooth wireless technology.
2. Exercise caution before opening attachments. When accepting applications sent via Bluetooth, or opening MMS attachments, exercise caution, just as you would when opening an email attachment on your PC, because they may include harmful software. Ensure the application or attachment comes from a known source, and is wary of opening files that have unfamiliar text attached to them, even if they come from someone you know.
3. Only download content from a trusted source. Trusted sources may include operator portals and other well-known brands that offer adequate protection against viruses and other harmful software. Be aware though that, as with emails, malicious or fraudulent users may be able to fake the appearance of a trusted source.
4. Consider anti-virus software. Some software is available to prevent phone viruses. You may wish to consider downloading this software.
5. Contact your phone manufacturer if concerned. If you think you have a virus, call the phone manufacturer’s care line. They can assist you confirm if it is a virus, and help fix the problem.

Bluetooth is a wireless technology that enables any electrical device to wirelessly communicate in the range of 2.5 GHz ISM frequency band. Mobile phones, headsets, PDA’s and portable computers can communicate and send data to each other without wires or cables to link to devices together. The name of Bluetooth is derived from the name of an English king Harold Bluetooth.

It is a low cost, low power, radio technology, which is particularly suited to the short range Personal Area Network (PAN) application. Bluetooth Special Interest Group is authorized to develop its specifications & license.

The Main Features of Bluetooth are as given below:

1. It operates in the 2.4GHz frequency band without having a license for wireless communication.
2. Up to 10-100 meters data can be transfer in real time.
3. Close proximity & accuracy is not required for Bluetooth as in case of infrared data (IrDA) communication device. Bluetooth does not suffer from interference from obstacles such as walls while infrared suffers due to obstacles.
4. Bluetooth supports both point-to-point and point-to-multipoint wireless connections without cables between mobile phones and personal computers.
5. Data transfer rate of blue tooth varies from version to version. Data rate of 1 Mbps for Version 1.2 Up to 3 Mbps for Version 2.0.

Then major parts of Bluetooth system are RF transceiver, base band, and protocol stack. Bluetooth is used for small-area networking without user intervention. Due to extremely low transmission power in Bluetooth technique battery power is saved. It is a networking standard that works at two levels:

• Physical level.
• Protocol level

Due to these levels mobiles have to agree on these levels when bits are sent. It decides the amount of data to be sent at a time, and how the parties in a conversation can be sure that the message received is the same as the message sent.

Bluetooth networking transmits data through low-power radio waves. It can connect up to eight devices simultaneously. With in the range of about ten meters you must think that the devices will not interfere with each other. Bluetooth solved the problem of devices interference while sending the data by using the technique of Spread-Spectrum Frequency Hopping due to which devices may transfer data at the same frequency at the same time. The question rises here is how Bluetooth send the same data using same frequency band without devices interferences? In Bluetooth technique, transmitters change frequencies 1,600 times in every second. In this way devices can make full use of a limited band of the radio spectrum.

When Bluetooth devices came into the range of each other, conversations take place automatically. This conversation automatically determines whether they have the data to share or not. In this way Bluetooth devices not only share the data but also control the data to be transferred. When the connection is established, the devices either they are part of a computer system or a network, Bluetooth systems create a personal-area network.

The technology used in Bluetooth also provides security in three ways:

• Pseudo-random frequency hopping,
• Authentication,
• Encryption.

Frequency hops make it difficult for anyone to eavesdrop. Authentication allows a user to limit connectivity to specified devices. Encryption uses secret keys to make data intelligible only to authorized parties.

Service-level security and device-level security work together to protect Bluetooth devices from unauthorized data transmission.

Many serious problems create only due to improper security issues. Some of them are as below:

Blue Jacking
It is used to send a business card in the form of text message via Bluetooth to other users. It should be noted that the distance between two users is not more than 10 meters. If the user doesn’t found the proper text, he should add the contact to his phone book. After saving his contact in his address book retry to send the same message. In this way the user can get business card from other user via Bluetooth. Its all because of the known destination from where the massage is being coming.

Blue Bugging
Due to this hackers can access users phone. It not only access one’s mobile phone, but also use its features including placing call, messaging. Even though the user doesn’t realize its happening.

Car Whisperer
Car whisper is a type of software due to which hackers can send and receive audio file from a Bluetooth-enabled car stereo.

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