Host Port

In the context of network communications, particularly in transaction processing like that handled by the Signio platform, a "host port" refers to the numerical identifier used in conjunction with the host address to define a specific endpoint for network connections. For secure transactions, such as those required for payment processing or data transfer involving sensitive information, port 443 is typically used.

Port 443 is the standard port number assigned to HTTPS traffic, which ensures that data sent between the client and the server is encrypted and secure. Using HTTPS and thus port 443 for transactions is crucial to protect against eavesdropping and man-in-the-middle attacks, which are significant risks when dealing with financial data and personal information in ecommerce environments.

When configuring a custom integration or storefront software application with the Signio client for transaction processing, it is imperative to specify port 443 in the settings. This setup will direct the application to use HTTPS, leveraging SSL/TLS encryption to secure the connection and the data being transmitted. This practice not only helps in complying with industry standards for data security but also builds trust with customers by safeguarding their transactions.