Network security Knowledge! What to pay attention to on the Internet

Long-term work in front of the computer screen will not only affect the eyesight of people, but also change the brain waves, adversely affect the body. This adverse effect will form two kinds of harmful brain waves, one God is sleep brain waves, there is a rapid sawtooth brain waves, will make people lose judgment ability, easy to make children suffer from dementia.

First, the Internet access to information should be noted:

L, do not work more than 1 hours each time in front of the computer screen.

2, do not leave the eyes too close to the screen, posture to correct.

3, the screen settings should not be too bright or too dark.

4, appropriate to outdoor breathing fresh air.

5, do not feel free to shop online.

What to do before the Internet to ensure safe Internet access?

First, you need to install a personal firewall, and with the Privacy Control feature, you can choose which information needs to be kept confidential without accidentally sending that information to an insecure website. This will also prevent the Web server from tracking your email address and other personal information without your awareness. Second, please install the system and other software patches and updates in time. Basically, the sooner you update, the less risky. The firewall data should also be remembered in time to update.

Second, middle school students should pay attention to online dating:

1, do not say their real name and address, telephone number, school name, close friends and other information.

2, do not meet with netizens.

3, if not meet, it is best to go to people more places.

4. Ignore the online courtship.

5, to talk vulgar netizen, do not refute or answer, in a silent way treats.

Third, password security common sense:

1, set a sufficient length of the password, it is best to use the case mix plus numbers and special symbols.

2, do not use the information related to themselves as personal passwords, such as their birthdays, phone numbers, ID numbers, number, name shorthand, so it is easy to be familiar with your people guess.

3, do not use a special meaning of English words to do the password, it is best not to do the word password, if you want to use, you can add complex numbers, or symbols, so that you can reduce the chances of being guessed by the dictionary file.

4, do not set all the passwords are the same, you can prefix each one.

5. Do not write down passwords in order to prevent forgetting, and it is foolish to keep passwords in any place outside the brain.

6, do not cling to a password, to be constantly replaced, especially when encountering suspicious circumstances.

7, do not let windows or IE save your password in any form, because the * symbol can not hide the real password, and in this case, Windows will password in a mentally encrypted algorithm stored in a file.

How to prevent hacker attacks?

First, use a personal firewall antivirus program to prevent hackers from attacking and checking the hacker program (a software that connects to an external server and passes your information out). Personal firewalls Protect your computer and personal data from hackers, prevent applications from automatically connecting to websites and sending information to websites. Second, turn off these features when you don't need file and print sharing. File and print sharing is sometimes a very useful feature, but this feature also exposes your computer to hackers looking for security breaches. Once you get into your computer, hackers can steal your personal information.

Four, surfing safety common sense:

1, try not to download the personal site program, because the program may be infected with the virus, or with a backdoor.

2, do not run unfamiliar executables, especially some seemingly interesting small games.

3, do not casually add strangers to Oicq or ICQ friends list, do not casually accept their chat requests, to avoid suffering from port attacks.

4. Do not open the mail attachment of strangers, because it may be a piece of malicious HTML or JavaScript code (has found that HTML code can format your hard disk), if it is an executable file, it may be a backdoor tool.

5, in support of JavaScript or HTML chat room, it is best not to accept the other side of the JS or HTML, because it may be a window bomb or giant pictures, such as 10000*10000 pixels, you do not dare to guarantee that your system can withstand such a heavy load and will not crash.

6, do not visit some suspicious or alternative sites, because many of the vulnerabilities of IE can enable malicious Web Editor to read the sensitive files on your machine, which we will discuss in the IE loophole.

How to prevent computer poisoning?

First, don't open an email attachment from a stranger or open a file from a timely messaging software. These files may contain a Trojan horse program that allows hackers to access your documents and even control your peripherals, and you should also install an anti-virus program to protect you from viruses, Trojans, and Worms

Network security Knowledge! What to pay attention to on the Internet