In LCOS, the following network services are active in the factory default state:
| Service | Function | Port |
|---|---|---|
| SSH | Device management | TCP 22 |
| HTTP | Device management | TCP 80 (automatic redirect to HTTPS) |
| HTTPS | Device management | TCP 443 |
| LL2M | Device management | Layer 2 |
| LMC | Connection to LANCOM Management Cloud | TCP 443 |
| TFTP | Device search with LANconfig (Sysinfo) | UDP 69 |
| DHCP | DHCP Server | UDP 67 |
| DHCPv6 | DHCPv6 Server | UDP 547 |
| DNS | DNS Server | UDP 53 |
| ICMPv6 | IPv6 control and diagnostic protocol | – (has no port) |
| SNMPv3 | Device monitoring | UDP 161 |