We have blocked inbound traffic on some ports network wide for the security reasons. These ports are as bellow :
- Port 23 (Telnet)
- Port 135 to Port 139 (NetBIOS)
- Port 445 (NetBIOS)
- Port 497 (Backup Software runs on this port)
- Port 389 (LDAP)
- Port 68 (DHCP)
- Port 1433 to Port 1434 (SQL Server)
- Port 1025 (MS Scheduled Task Endpoint)
Your application will not work if it runs on any of above mentioned port.
