With the popularity of mobile Internet, more and more people demand for WiFi in public areas. However, at the same time enjoy the free internet security issues attendant also increasingly prominent. This article gives you some tips on the safe use of WiFi, hoping to help everyone as much as possible in a safe environment at ease to enjoy the convenience of the mobile Internet. To guard against DNS tampering attacks, you should open the router settings page, find the DNS settings option to turn it off or modify as normal. Should also modify the default user name and password, and develop a regular habit to router patching to avoid loopholes result in exposure to hackers. The WiFi encryption to WPA2, while the password is set to 16 or more digits, uppercase and lowercase letters mixed character, in order to improve security. Try not to use free password free WiFi, especially when connected to WiFi in public areas should be managed at the consultation, to confirm the wireless network name and password, and opened only after the use of a secure VPN tunnel. When public places connection WiFi, try not to use online banking, online payment, e-mail and other applications contain important information, once found abnormal network access, malicious pop-up ads or unfamiliar links, you should immediately disconnect WiFi, to help professionals. When using public places WiFi browsing the website, you should manually enter the website address and use the https protocol to open the site. If you must use a mailbox at public WiFi environment, should be an important part in the mail attachment, and try to compress attachments encrypted. When using e-mail program, you should check the SSL, SMTPS, POP3S, IMAPS and other security options to ensure the safety of the message content. Wal Goods Technology Mobile phones accessories leader Wal-product PG005, support wifi-enabled mobile power