I have a PI 4 with ethernet connection and I am unable to connect to the pi from any external connections (SSH, VNC, or Nginx). All external connection results in
connection refused but I can access these services just fine within the Pi.
I did a nmap scan on which returned this:
Starting Nmap 7.92 ( https://nmap.org ) at 2021-12-02 22:28 EST Nmap scan report for dhcp-234-248.resnet.purdue.edu (126.96.36.199) Host is up (0.033s latency). Not shown: 96 closed tcp ports (reset) PORT STATE SERVICE 22/tcp open ssh 25/tcp filtered smtp 80/tcp open http 5900/tcp open vnc Nmap done: 1 IP address (1 host up) scanned in 1.48 seconds
So IP address is accessible but I can't access the services?
Also, there are no
Anyone know what could be causing this? Thanks.