Steps to be followed:
1. Login to K7 Security UTM
2. Click on Configuration
3. Navigate to Firewall/NAT
4. Select Filter Rule and choose LAN2WAN Firewall Access.
5. Under Destination Zone Add the required ports under Port Number.
6. After making the necessary configuration, Click Save and Restart Service.
Note:If the issue persists or you need any assistance, you may raise ticket at Submit a Ticket and Our Support Team will get in touch with you shortly to assist you.