| 摘要 |
Provided are an information processing system that detects a firewall between an MFP and a Web server, and changes a network connection method depending on whether a firewall exists, and a control method therefor. To accomplish this, this information processing system includes an image processing apparatus and an information processing apparatus connected via a network. The image processing apparatus requests the information processing apparatus for existence/absence information indicating whether a firewall exists on a communication path between the image processing apparatus and the information processing apparatus. The information processing apparatus detects whether a firewall exists on the communication path between the image processing apparatus and the information processing apparatus, adjusts a communication method so as to employ a first communication method if a firewall exists and so as to employ a second communication method if a firewall does not exist, and notifies the image processing apparatus of the result.
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