Control and streamline the way users access 3270 applications.

Minimize 3270 Emulation Cost & Logistics

Eliminate TN3270 Clients and Middleware

InterSession Mainframe Web Gateway (MWG) delivers secure, browser-based 3270 emulation over encrypted HTTPS connections between the mainframe and Web enabled devices (eg. desktops, laptops, tablets, or other mobile devices) without plug-ins or local installation. MWG is included with a license of the Session Manager, but may be licensed separately.

Universal Connectivity

Web Gateway (MWG) works instantly with any web enabled platform (Windows/Mac computers, iOS/Android mobile devices, etc.) it is designed to be compatible with all leading modern browsers and uses cutting edge technology; such as Ajax and XHTML if available.


Mainframe Web Gateway (MWG) centralizes the administration and security of access to mainframe assets on the mainframe. Security runs on the mainframe through built-in connections to RACF, TOP-SECRET, ACF/2 or VSE/BSM for authentication. MWG's HTTPS connections are encrypted with FIPS 140-2 compliant AT-TLS. MWG integrates seamlessly with IP security technology including SSO, PROXY and multi-factor authentication services.

Cost Savings

Not only can MWG reduce your 3270 emulation licensing costs, its simple centralized installation, administration, and support can result in additional savings in Total Cost of Ownership (TCO) when compared to traditional TN3270 emulators. In addition, MWG's end-to-end encrypted HTTPS connections can eliminate the need and expense of a VPN.

Key Features & Benefits

  • Web browser based 3270 terminal emulation
  • iOS/Android App's for an even nicer experience
  • Securely delivers 3270 screens as webpages simulating true 3270 TE functionality
  • Fully host controlled: centralized installation, administration, support, and access to its own assets
  • No installation, middle-tier servers or plugins required; only a web browser and pre-defined URL
  • No support required outside the mainframe
  • Instantly accessible with any web-enabled devide regardless of OS or browser
  • FIPS 140-2 compliant HTTPS connections
  • Integrates with SSO, PROXY, and multi-factor authentication services
  • Secure host access without the need for a VPN
  • Significant savings over TN3270 emulators
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