Hi  @Clive_A ,

I have just updated ER8411 with firmware version 1.2.0, and now the nmap scan doesn't show that port 1723 is open. 

➜  ~ nmap -v -Pn 172.16.10.1

Host discovery disabled (-Pn). All addresses will be marked 'up' and scan times may be slower.

Starting Nmap 7.94 ( https://nmap. org ) at 2023-12-28 09:48 IST

Initiating Parallel DNS resolution of 1 host. at 09:48

Completed Parallel DNS resolution of 1 host. at 09:48, 4.04s elapsed

Initiating Connect Scan at 09:48

Scanning _gateway (172.16.10.1) [1000 ports]

Discovered open port 80/tcp on 172.16.10.1

Discovered open port 53/tcp on 172.16.10.1

Discovered open port 443/tcp on 172.16.10.1

Completed Connect Scan at 09:48, 1.73s elapsed (1000 total ports)

Nmap scan report for _gateway (172.16.10.1)

Host is up (0.0061s latency).

Not shown: 997 closed tcp ports (conn-refused)

PORT    STATE SERVICE

53/tcp  open  domain

80/tcp  open  http

443/tcp open  https

 

Read data files from: /usr/local/bin/../share/nmap

Nmap done: 1 IP address (1 host up) scanned in 5.79 seconds