Tyro behind a firewall
Tyro ports and your POS system Telnet, Tyro, Terminals, oh my! You should get a response from the following: telnet merchant.tyro.com 80 telnet merchant.tyro.com 443 telnet terminaldownloads.tyro.com 10443 To allow your Tyro terminal and Point of Sale (POS) system to access Tyro’s network, please enable outbound connections on your firewall to the following TCP ports:…




