Posts tagged "Remote Access"
5 articles across the Voltrus blog.
This collection brings together every Remote Access article published on the Voltrus blog. "TeamViewer Alternative for PLC Remote Access: Why OT Teams Are Switching", "Secure Remote Access to PLC Networks: A Practical Guide for Integrators", "WireGuard vs Traditional VPN for OT Networks: Which Wins in 2026" — each one is a practical, hands-on guide written for engineers and system integrators. Whether you are choosing between protocols, troubleshooting a connection, or planning an integration, these articles cover the concepts, the trade-offs, and the step-by-step details you need.
TeamViewer Alternative for PLC Remote Access: Why OT Teams Are Switching
TeamViewer puts an always-on graphical backdoor on the OT network. A WireGuard mesh gives the engineer a route to the PLC subnet only — outbound-only, self-hosted, no third-party relay.
Read articleSecure Remote Access to PLC Networks: A Practical Guide for Integrators
Threat model, architecture, ACL design, and a deployment checklist for reaching PLC subnets over a self-hosted WireGuard mesh without exposing the OT network.
Read articleWireGuard vs Traditional VPN for OT Networks: Which Wins in 2026
WireGuard vs IPsec/OpenVPN for OT remote access: performance, audit surface, key management, NAT traversal (DERP), and why WireGuard + Headscale fits industrial sites.
Read articleRemote Access Without Inbound Ports: Outbound-Only OT Connectivity
Opening inbound VPN ports on an OT firewall violates every security baseline. Outbound-only mesh connectivity plus DERP-over-TCP/443 sidesteps it entirely.
Read articleRemote PLC Commissioning: Reach Any Site Without a Plane Ticket
Tunnel into the PLC subnet and run TIA Portal, GX Works, or SoMachine against the local PLC IP at full speed — no screen-share lag, no $5K travel bill per site visit.
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