I/O Modules - Network - IP module freezing after performing a network scan

Issue

After a network scan performed with a dedicated software (finding holes and vulnerabilities in network infrastructure, for example, Nessus Software), the I/O modules stop working and have to be disconnected from power supply and then powered up again.

Possible solutions

1. Update the firmware to the latest version. If the latest firmware has already been uploaded, reload it.

2. Switch off the web server by entering 0 in the Http Port field in iSMA Configurator. Communication with the web server slows down the IP communication, and with a long scan time, the devices start to restart. Turning off the web servers http stops the restarts and speeds up the communication.