Telnet Access Gateway

Secure Telnet gateway bridging browser-based terminals to legacy network devices, mainframes, and industrial systems. Full session recording, TLS upgrade support, and Telnet option negotiation.

Legacy Protocol

Secure Telnet Access

Browser-based Telnet via WebSocket (xterm.js)
Full session recording in asciinema v2 format
Telnet option negotiation (WILL/WONT/DO/DONT)
NAWS terminal size negotiation
TLS upgrade support (STARTTLS / Telnet over TLS on port 992)
Terminal type negotiation for device compatibility
Identity-verified access with SSO and MFA
Zero Trust access to legacy infrastructure
Live Demo

Browser Telnet Session

pumagate — telnet → Connecting to switch-core-01:23 via PumaGate... ✓ Identity verified: bob@acme.co (NetOps) ✓ Session recording started (ID: ses_tel_4f8n) Negotiating: NAWS, TTYPE... done switch-core-01> show interfaces brief Interface Status Speed Description Eth1/1 up 10G Uplink-Core Eth1/2 up 10G Server-Rack-A Eth1/3 down 1G Mgmt-OOB switch-core-01> TELNET GATEWAY WebSocket → Telnet bridge • IAC negotiation (NAWS, TTYPE) • Session recording (asciinema v2) • TLS upgrade Legacy devices, mainframes, industrial systems — all secured with Zero Trust access and full audit trails
Getting Started

How It Works

1. Connect Identity Provider

Integrate with Okta, Azure AD, Google Workspace, or any SAML/OIDC provider in minutes.

2. Add Resources

Register your servers, databases, and web apps. Define role-based access policies.

3. Secure Access

Users access resources through the browser with identity verification, session recording, and audit logs.

Explore More

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