Virtual private servers are built by splitting dedicated server into one or more servers using virtualization technology. Many people, out of lack of knowledge, are concerned as they are under the view that sharing server with unknown websites could cause security issues like in shared hosting.
There are no such issues with VPS. Although the users share the server, they are as good as in a dedicated machine with a lower capacity. VPS runs on a software called hypervisors. The primary function of the hypervisor is to isolate the virtual servers from each other. It also manages the connection between the VPS and hardware server.
In VPS hosting, each account gets their share of dedicated resources, have dedicated IP, and maintains the same security norms that a physical machine has. This means a VPS has the same level of security that a dedicated server customer gets. Thus, the only susceptible area is in the configuration of the software on which it functions. Your VPS will have security issues if there are any loopholes in the software.
Each VPS is housed in an individual container like environment. There is no possibility of any intrusion or interference from any outside entity. Hence the name private is added to the virtual servers.
To Enhance the Security of the VPS, Users Must:
1- Run the software that is essential and uninstall all unwanted software
2- Some software is deployed but does not require to connect to the internet. Configure those to make it listen to local requests alone.
3- Use strong passwords for each user accounts.
4- Disable superuser logins.
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