How-Tos Virtual Private Network: Firewall Requirements This article lists the firewall requirements (subnet protocols and ports) of our VPN service for LAN administrators and helpdesk staff. View full article (UMN login required): Virtual Private Network: Firewall Requirements Last modified Changed July 15, 2025 TDX ID TDX ID 3853 Was this page helpful? Yes No How could this page be better? If you have a technology question, contact Technology Help. If you have feedback about this webpage, please share it below. Leave this field blank
