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The Main Benefits of Perimeter 81’s IPSec VPN

Centralized Cloud Platform

A unified and cloud-friendly admin panel with endless functionality: custom access policies, logging, security features and other IT necessities.

Multi-Tenant, Multi-Regional

Slice your organization’s network into precise pieces based on who needs access and to what, even across regions and several tenants.

IPSec and Beyond

Command a full array of network security tools with our platform, like MFA and Automatic Wi-Fi security. Other VPN protocols include SSL and WireGuard.

Zero Trust for All

Zero Trust access to networks, subnets, and applications means custom access policies based on your users’ roles, devices, and more.

Our IPSec VPN Solution Enforces Security

What is an IPSec VPN?

VPNs, or Virtual Private Networks, are commonplace these days and are used in many organizations for easy remote access to centralized resources. However, they aren’t all cut from the same cloth: There are VPNs that run on different protocols and therefore have different advantages and use cases. An IPSec VPN resides at the IP (internet protocol) or network layer, and lets remote PCs access entire networks elsewhere, instead of a single device or application.

While some see this as a disadvantage, they must remember that IPSec is an older and more mature protocol that has had many iterations, and is therefore one of the most trusted around. An IPSec client establishes authentication between the two agents once the session begins, and uses cryptography and secure keys to ensure that the data and traffic flowing between them is completely private.

What is IPSec


Where Secure Socket Layer (SSL) VPNs and IPSec VPNs diverge is in their place on the network layer and what this means for users, though both rely on the Transport Layer Security protocol. A VPN that uses SSL is on the session layer, and doesn’t explicitly require a client application to launch or to secure a connection. This means it can connect users securely to specific parts of the network instead of the whole thing. IPSec, on the other hand, does require third-party software outside one’s internet browser, but since it’s on the network layer it comes with strong security benefits.

IPSec VPNs are popular because they’re widely regarded as being difficult to break into. It’s true that there’s no option to avoid the use of an IPSec VPN client, but since most SSL VPNs require a client anyway, it doesn’t matter. A strength of IPSec is that remote computers have full, unbridled network access as if they were at the office: all file storage systems, office hardware like printers, backups and other resources. Though access is granted no holds barred, organizations can still feel safe because a hacker would have to both break the nearly-impenetrable encryption and also the client software itself, including the correct configurations.

How Does an IPSec VPN Work?

To properly use an IPSec VPN, an organization must take a few extra, but necessary steps. First it needs to purchase an IPSec VPN license and install the software on all devices that employees use, and require access to. Licenses must also be maintained. Once everything is up-to-date, a user can launch his or her IPSec VPN client, log in with their (preferably strong) password and then browse company resources safely. The data travelling between their PC and network resources is scrambled and only intelligible when the user or administrator has the correct cryptographic key.

Users’ IP addresses are also hidden when the IPSec VPN is active, so even internet service providers don’t really know who’s using their products. There are two methods of securing data that IPSec typically uses: tunnel mode and transport mode. The latter only encrypts the data held inside the packet being sent, while the former uses the IPSec VPN tunnel to encrypt the entire packet and lodge it in a new IP with a new header. Tunnel mode is considered safer, and this is what users enjoy when connecting via Perimeter 81.


Why Should I Use Perimeter 81’s IPSec VPN?

It’s now harder to find a company without remote workers than ever, and most of them typically use a tall stack of differing network resources - some held on the cloud and some locally. Network security gets complicated under these conditions, and so IT’s job is harder than ever. An IPSec VPN is the cornerstone of any smart IT team’s network access strategy, as it’s able to weed out the vast majority of threats with little effort and is very easy to deploy and use.

In this era when employees use their own unsecured devices to connect to the network, often from unsecured Wi-Fi, IPSec is a crucial part of the network security arsenal - but it isn’t alone. This is why Perimeter 81 supplements it with other necessary features and tools in our revolutionary Network as a Service solution. With the Perimeter 81 IPSec VPN, organizations can benefit from the stronger level of security that the protocol provides yet also split their networks into custom pieces with access for users based on Zero Trust. The Zero Trust model encourages a least-privilege access model whereby admins can create specific policies based on users, roles, devices, location and more, but also make use of tools like Multi-Factor Authentication, Automatic Wi-Fi security, secure web gateways, and more. Not only that, the unified platform for these functions is easy to onboard employees into, fits seamlessly into the cloud, and scales with the organization without issue.

What is Included in the Perimeter 81 IPSec VPN Solution?

Try the Perimeter 81 IPSec VPN Free

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