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BackCannot communicate with server; No web client access to the MVP server; Cannot communicate with devices; No communication; MVP is not communicating; No application communication; Firewall issues; MVP ports open and still unable to communicate
MVP 11.2.1: Heavy Use of a Security Firewall Will Prevent MVP Communication |
Document ID:FA730 |
| Properties |
Problem
Solution
Overview
MVP communication stops after a change in firewall security settings.
Explanation
MVP is made of essentially a client component and a server component. If there is a firewall sitting between the client and server, the application's use of Remote Method Invocation(RMI) in conjunction with strict firewall security settings is likely the cause of this failure.
Suggested Remedy
Turn off necessary firewall restrictions for MVP client or web applet to communicate with the MVP server.
Related Articles
Ports utilized by Markvision Professional
Still Need Help?
Please contact Lexmark if you require additional assistance. NOTE When calling for phone support, you will need your model/machine type and serial number (SN). For improved technical support, all callers should be near the computer that hosts the application.