Shulou(Shulou.com)06/01 Report--

First of all, what is DNS hijacking?

DNS hijacking, also known as domain name hijacking, refers to intercepting the request for domain name resolution within the hijacked network, analyzing the requested domain name, and releasing the request outside the scope of review, otherwise it returns a false IP address or does nothing to make the request unresponsive, the effect is that it cannot respond to a specific network or visits a fake URL. Operator DNS hijacking

Let's see how DNS hijacking is detected.

Through iis7 website monitoring, enter your own domain name, you can immediately see whether your website is hijacked, and the query results are real-time, you can use the query results to better optimize our website.

When users connect to the network of network operators (Unicom, Telecom, etc.), they usually obtain the DNS server address automatically issued by the operator by default, so that when users type the wrong domain name in the browser, or visit a domain name that does not exist, or even visit some websites that clearly exist and do not have discordant content, the operator's DNS will direct the user to pages such as the number Best, Yellow pages, Advertising pages, etc. This kind of page is maintained by the operator and becomes a free advertising page for the operator, which can share part of the user traffic. For example, when I surf the Internet on my mobile phone, I often click on the link and then inexplicably transferred to the yellow pages of the operator. I hate this kind of behavior extremely.

Note: this method is only for mobile phone users in WIFI environment.

Step 1: turn on the phone settings!

Step 2: click WIFI!

Step 3: long press the connected WIFI network!

Step 4: click Network Settings Management!

Step 5: DHCP, change to static!

Step 6: DNS1 is the first choice, DNS,DNS2 is the backup DNS, click OK after typing!

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