Firewall on PLC is set as static. Firewall contains exceptions for communication on certain ports. These ports won't change if you change for example server ports through Idekit Studio. The communication don't have to work properly.
Outgoing communication is not limited.
- RT = TCP - 12346 / 12347, UDP 8010
- Modbus TCP = 502
- SSH = TCP 22
- WEB = TCP 80 / 443
- ICMP ping.
Following services are allowed on PLC