Chapter 7.1 - Port Usage


netLD uses multiple network ports for its various functions. The ports used by netLD are listed below. If communications with netLD will travers a firewall, configure the firewall policy based upon the protocols that you use.


FunctionProtocolPortUDP/TCPDirection
Automatic DiscoverySSH22TCPnetLD → dest
Telnet23TCP
SNMP161UDP
ICMP
Backup Tool (*1)SSH22TCPnetLD → dest
Telnet23TCP
SNMP161UDP
TFTP69UDPnetLD ← dest
FTP21TCP
Settings Upload (Config Restore)TFTP69UDPnetLD ← dest
Change (Settings) Tool (*2)SSH22TCPnetLD → dest
Telnet23
Terminal ProxySSH22TCPnetLD → dest
Telnet23
Terminal LogVA / LinuxSSH2222TCP, UDPnetLD ← dest
Windows SSH22TCP, UDP
Real-time change detection  Syslog514UDPnetLD ← dest
Sending SNMP TrapsSNMP162UDPnetLD → dest
Active Directory (LDAP) AuthenticationLDAP389TCP UDPnetLD → AD
LDAPS636TCP
RADIUS AuthenticationRADIUS1812TCPnetLD ←→ RADIUS
Cisco PnPDHCP67UDPnetLD ← dest
68UDPnetLD → dest
Other Open PortsHTTP80TCPnetLD ← dest
TFTP69UDP
ICMP
SmartBridge
Bridge → Server Config
HTTPS443TCPnetLD ← Bridge
Server → Bridge Config
Client User Interface
HTTPS443TCPnetLD ← Client
netLD License Activation
HTTPS443TCPnetLD → LVI
netLD Online Updates

(*1) The appropriate configuration depends on which models of devices are in use. For example,

  1. Adapter for IOS: CLI (Telnet, SSH)only, or both CLI and TFTP.
  2. Adapter for Alaxala:  CLI (Telnet, SSH), FTP or SNMP.

(*2) Configured CLI protocols are used.