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The appearance of someone else's website appearing when you open your own domain name can be due to several reasons:
- DNS hijacking: The attacker has tampered with the DNS cache of the DNS server or local host, causing the IP address of the domain name resolution to point to the wrong address. This results in users being redirected to someone else's website when accessing the domain name.
- Server Hacked: The attacker compromised the server and tampered with the site's files. This resulted in visitors to the site being redirected to a site controlled by the attacker.
- Malware infection: The user's computer is infected with malware that causes the browser to be redirected to the wrong website.
Here's how to solve these problems:
- DNS hijacking
To prevent DNS hijacking, we can take the following measures:
- Use reliable DNS servers: Make sure that the DNS servers used are reliable. You can use Google's public DNS servers or DNS servers provided by your carrier.
- Update Local DNS Cache: You can clear the DNS cache by running "ipconfig/flushdns" from a Windows command prompt to ensure that the local DNS cache is up-to-date.
- Use of HTTPS protocol: The use of HTTPS protocol can prevent man-in-the-middle attacks and information leakage, and enhance the security of data transmission.
- Configuring DNSSEC: DNSSEC is a security extension protocol that provides integrity and authentication of DNS data. By configuring DNSSEC, you can effectively prevent DNS hijacking.
- Server hacked
In order to prevent the server from being hacked, we can take the following measures:
- Updating systems and applications: Regularly update servers and applications by installing the latest security patches and updates to ensure system and application security.
- Install Firewall: Install and configure a firewall to restrict external access to the server and website.
- Enhance password security: Make sure all passwords are strong and don't use weak passwords. And change passwords regularly.
- Regular data backups: Back up your data regularly so that you can recover quickly in the event of data loss or attack.
- malware infection
To prevent malware infections, we can take the following measures:
- Installation of anti-virus and anti-malware software: Install the latest versions of anti-virus and anti-malware software and update your virus database regularly.
- Do not download and install software from unknown sources: Do not download and install software from unknown sources to avoid infections
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