{"id":9313,"date":"2018-12-05T13:18:00","date_gmt":"2018-12-05T13:18:00","guid":{"rendered":"https:\/\/www.realvnc.com\/en\/?post_type=blog&p=9313"},"modified":"2026-04-13T10:44:17","modified_gmt":"2026-04-13T09:44:17","slug":"remote-access-vs-vpn","status":"publish","type":"blog","link":"https:\/\/www.realvnc.com\/en\/blog\/remote-access-vs-vpn\/","title":{"rendered":"Remote access vs VPN: What’s best for your remote workers?"},"content":{"rendered":"\t\t
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Your sales team wants to work from home, yet the VPN rollout keeps hitting snags. Someone needs a VPN client profile, someone else cannot reach the private network, and the helpdesk queue starts to overflow.\u00a0<\/span><\/p>

VPNs are proven, but many remote access VPNs add significant overhead. Traffic bottlenecks through gateways and performance drops, and every connected laptop can gain broad network access into the corporate network if access control isn\u2019t tight.<\/span><\/p>

RealVNC has <\/span>spent more than 25 years<\/u><\/span><\/a> building secure remote access solutions that focus on remote desktop control, rather than allowing access to the company\u2019s internal network. RealVNC Connect can limit what a remote user can do inside a session, while keeping environments separated.<\/span><\/p>

This guide does not treat the two technologies as mutually exclusive. In fact, most teams use both VPNs and remote access approaches in layers. The sections ahead cover the key differences in setup, security, performance, and fit by use case.<\/span><\/p>

What is a VPN, and how does it work?<\/span><\/h2>

A virtual private network creates a secure tunnel from a remote device into a private network, usually your corporate network. After the handshake, the remote laptop behaves like it were inside the office, which offers convenience but can <\/span>significantly increase the attack surface<\/u><\/span><\/a>.<\/span><\/p>

A VPN client, installed on a user’s remote machine, encrypts the device\u2019s internet traffic and sends it through an encrypted tunnel to a VPN server. The server decrypts it, then routes it internally, often assigning an internal address and gateway so that the user can reach systems that are not publicly exposed. That\u2019s the core value of remote access VPNs.<\/span><\/p>

A VPN makes an ideal solution for businesses where remote users need to access internal resources that are too risky to expose to public networks. These typically include SANs, intranet resources, databases, and network printers. Implementing a corporate VPN comes with some significant trade-offs <\/span>compared to using VNC<\/u><\/span><\/a> for remote access. The largest being remote endpoints becoming an open door into your internal networks.<\/span><\/p>

What is remote access software, and how does it work?<\/span><\/h2>

Remote access software<\/u><\/span><\/a> gives a user direct control of a remote computer by streaming the screen to client software (viewer) and sending user input like keyboard strokes and mouse clicks to a target remote machine (server). It feels like sitting in front of the same remote system, minus the commute and the loud office printer.<\/span><\/p>

With <\/span>RealVNC Connect<\/u><\/span><\/a>, the Viewer and Server can establish a secure connection using <\/span>cloud-brokered connectivity<\/u><\/span><\/a>, so you typically avoid inbound firewall changes and port forwarding. Both endpoints initiate outbound connectivity over the existing internet connection, which is why deployments tend to stay friendly with security teams and change control.<\/span><\/p>

The key security distinction versus remote access VPNs is separation. A session exposes the remote desktop surface and the user inputs that drive it. The connecting device doesn\u2019t gain general network access to the private network by default.\u00a0<\/span><\/p>

As such, malware doesn\u2019t get a free ride into the corporate network just because someone opened a remote desktop connection.<\/span><\/p>

Setup and configuration: VPN vs remote access<\/span><\/h2>

Set up work is where architecture meets operations. Most IT teams can map a clean design on a whiteboard. The real hurdles become apparent during rollout when packets start moving, and bottlenecks appear. Here\u2019s what a VPN and remote access implementation looks like in real-world production environments.<\/span><\/p>

VPN setup process<\/span><\/h3>

VPN deployment usually follows a predictable sequence, with much of the difficult configuration happening towards the end of implementation.<\/span><\/p>

  1. Stand up the VPN server in the data center or cloud.<\/span><\/li>
  2. Set up routing, DNS, and firewall rules to make sure that the tunnel connects to the services within the corporate network.<\/span><\/li>
  3. Create and distribute credentials, certificates, or keys for VPN client software.<\/span><\/li>
  4. Set up the VPN client on all endpoints, then verify access for each user group.<\/span><\/li>
  5. Troubleshoot edge cases, usually tied to device posture, DNS resolution, split tunneling rules, or a changing user’s IP address.<\/span><\/li>
  6. Arrange continuous upkeep, encompassing patch updates, credential changes, and regular access evaluations to make sure that permitted users maintain access.<\/span><\/li><\/ol>

    Remote access setup process<\/span><\/h3>

    RealVNC Connect installation is generally simpler since it emphasizes desktop management of comprehensive network connectivity.<\/span><\/p>

    1. Install RealVNC Server on each target remote computer or jumpbox.<\/span><\/li>
    2. Enable online licensing and associate devices with the correct team in the RealVNC Connect Portal.<\/span><\/li>
    3. Verify that computers show up in the Portal device list, allowing admins to oversee access from a point.<\/span><\/li>
    4. Add users to the team<\/u><\/span><\/a> and <\/span>assign permissions<\/u><\/span><\/a> so access matches role and need.<\/span><\/li>
    5. In Enterprise implementations, <\/span>cloud connectivity tokens<\/u><\/span><\/a> enable RealVNC Server to connect to cloud services without needing a login. Administrators create tokens in the Portal. Use them during MSI installation or via a command-line join, facilitating uniform, automated deployments.<\/span><\/li>
    6. Connect using RealVNC Viewer to the intended device or jumpbox, keeping access scoped to a specific desktop session rather than broad network access.<\/span><\/li><\/ol>

      Security comparison: encryption, authentication, and risk models<\/span><\/h2>

      Security teams typically prioritize risk boundaries over labels. A VPN and remote access can both support a strong security posture, but each tool makes different tradeoffs in encryption scope, trust, and blast radius.<\/span><\/p>

      VPN network access security strengths and limitations<\/span><\/h3>

      A virtual private network provides secure network access by encrypting internet traffic from the endpoint across untrusted networks. VPN client software builds an encrypted tunnel to a VPN server, which then routes traffic into the private network. That model is effective when authorized users need broad network access to many internal network resources.<\/span><\/p>

      The limitation is exposure. Many remote access VPNs effectively place the endpoint on a subnet with a private IP address. If the device is compromised, malware can reach internal services and move laterally. Configuration also matters. Poor configuration in routing, authentication, or patching can increase the risk of bad actors gaining access to your company’s network.<\/span><\/p>

      Remote desktop access security strengths and limitations<\/span><\/h3>

      RealVNC Connect focuses on <\/span>secure remote access<\/u><\/span><\/a> to a remote computer through a remote desktop session. RealVNC\u2019s sessions are secure and use end-to-end encryption with Perfect Forward Secrecy and AES-GCM 128 or 256-bit encryption. Cloud brokering supports connectivity, yet RealVNC cannot read session content.<\/span><\/p>

      The RealVNC<\/span> VPN and remote access whitepaper<\/u><\/span><\/a> highlights the specifics of this separation of environments. The connecting device doesn\u2019t gain general network access by default, since session data includes screen updates and input events. Use both VPN and remote access when users need full traffic protection on hostile Wi Fi, plus scoped desktop control.<\/span><\/p>

      Performance and network impact<\/span><\/h2>

      Performance debates get noisy fast, usually right after someone tries to host an HD video call through a tunnel built for small database queries. Use case matters more than the tool name.<\/span><\/p>

      A virtual private network is often efficient for network access because it protects internet traffic without rendering a full remote desktop. The<\/span> bottleneck appears<\/u><\/span><\/a> when multiple users push too much traffic through the VPN server, particularly when many remote access VPNs are online at once.<\/span><\/p>

      Remote access shifts the load. A remote desktop session sends screen updates and input events, so bandwidth and latency shape the experience. Modern remote access solutions like RealVNC Connect can reduce lag with approaches like<\/span> high-speed streaming<\/u><\/span><\/a> for responsive interaction.<\/span><\/p>

      Many teams use both VPN and remote access, so file work stays on the tunnel, while interactive desktop work stays smooth.<\/span><\/p>

      Use cases: when to use VPN vs remote access<\/span><\/h2>

      Picking between a VPN and remote access usually comes down to what you need the user to access. The key differences between the two fall in the realm of scope. A VPN extends network access. A remote session extends control of a remote computer.<\/span><\/p>

      When VPN is the right choice<\/span><\/h3>

      VPNs are most suitable when the job requires broad access inside the private network.<\/span><\/p>