Public VPN - threats

[Toji]

[SIZE=14px]I have the following question - is the following true:

-If we enable the VPN plugin in the Opera browser, we can use various services, e.g. bypass a simple company firewall that blocks our access to FB or YT. We then go out into the world with public IP addresses other than our native address, and this is obvious.

But the question arises - can connecting via this VPN be understood in such a way that we first enter a network in which there are many other VPN users like us, who create a kind of local network from which we only go out to the world through the gateway of this network ?

The merits of the matter are then whether we can be attacked by other users of this VPN network? Does a VPN in the Opera browser pose this type of threat?

After enabling this VPN, one user had the IP addresses of the DNS servers changed in the TCP/IP connection properties of the network card. I wonder if and how it was possible.[/SIZE]

 

[dEEpEst]

Enabling the VPN feature in the Opera browser does allow you to bypass certain restrictions like a company firewall blocking access to websites like Facebook or YouTube. When you use Opera's VPN, your device connects to one of Opera's VPN servers, which then sends your internet traffic to the website you're accessing. This process changes your public IP address to the one assigned by the VPN server, making it appear as if you are accessing the internet from a different location.

As for the network architecture:

Shared Network Environment: When you use a VPN, you are indeed sharing the VPN server's network with other users. However, this doesn't create a local network in the traditional sense. Each user's connection is typically isolated.

Risk of Attack from Other VPN Users: The risk of being attacked by other users on the same VPN network is generally low, especially with reputable VPN services. Good VPNs use strong encryption and isolation techniques to ensure that each user's data remains private and secure. However, the theoretical risk cannot be completely ruled out, especially if there are vulnerabilities in the VPN's infrastructure.

Specific Risks with Opera's VPN: Opera's VPN, like any other VPN service, could potentially have vulnerabilities. However, Opera is a well-known browser, and it's likely that they take security seriously. The risk of being attacked by another user through Opera's VPN is relatively low, but not impossible.

Change of DNS Server Addresses: When you connect to a VPN, the VPN service might change your device's DNS settings to use their own DNS servers. This is often done to prevent DNS leaks, which can reveal your original IP address even when you're connected to a VPN. The change in DNS server addresses in the network card's TCP/IP connection properties after enabling the VPN is a normal part of this process.

In summary, while using a VPN like Opera's does change your visible IP address and can provide a level of anonymity and security, it's not equivalent to being part of a local network with other VPN users. The risks from other users on the same VPN network are generally low but not nonexistent. Changes in DNS settings are a normal part of how VPNs operate to maintain security and privacy.

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