vnc port forwarding

[Zahid Rahman]

ubuntu at ubuntu:~$ sudo ufw status
Status: active

To                         Action      From
--                         ------      ----
22                         ALLOW       Anywhere
5901                       ALLOW       Anywhere
80                         ALLOW       Anywhere
443                        ALLOW       Anywhere
6000:6007/tcp              ALLOW       Anywhere
6000:6007/udp              ALLOW       Anywhere
5902                       ALLOW       Anywhere
5903                       ALLOW       Anywhere
5904                       ALLOW       Anywhere
5905                       ALLOW       Anywhere
Samba                      ALLOW       Anywhere
5900                       ALLOW       Anywhere
5900/tcp                   ALLOW       Anywhere
5900/udp                   ALLOW       Anywhere
22 (v6)                    ALLOW       Anywhere (v6)
5901 (v6)                  ALLOW       Anywhere (v6)
80 (v6)                    ALLOW       Anywhere (v6)
443 (v6)                   ALLOW       Anywhere (v6)
6000:6007/tcp (v6)         ALLOW       Anywhere (v6)
6000:6007/udp (v6)         ALLOW       Anywhere (v6)
5902 (v6)                  ALLOW       Anywhere (v6)
5903 (v6)                  ALLOW       Anywhere (v6)
5904 (v6)                  ALLOW       Anywhere (v6)
5905 (v6)                  ALLOW       Anywhere (v6)
Samba (v6)                 ALLOW       Anywhere (v6)
5900 (v6)                  ALLOW       Anywhere (v6)

On Tue, 2 Nov 2021, 6:24 pm Zahid Rahman, <zahidr1000 at gmail.com> wrote:

>
> ubuntu at ubuntu:~$ sudo lsof -i:22
> COMMAND  PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
> sshd    2447   root    3u  IPv4  42579      0t0  TCP *:ssh (LISTEN)
> sshd    2447   root    4u  IPv6  42581      0t0  TCP *:ssh (LISTEN)
> sshd    6699   root    4u  IPv4 225849      0t0  TCP
> ubuntu:ssh->_gateway:47082 (ESTABLISHED)
> sshd    6769 ubuntu    4u  IPv4 225849      0t0  TCP
> ubuntu:ssh->_gateway:47082 (ESTABLISHED)
> ubuntu at ubuntu:~$ sudo lsof -i:5900
> ubuntu at ubuntu:~$
>
>
> On Tue, 2 Nov 2021, 5:51 pm Colin Law, <clanlaw at gmail.com> wrote:
>
>> On Tue, 2 Nov 2021 at 17:36, Zahid Rahman <zahidr1000 at gmail.com> wrote:
>> >
>> > Sorry I tried this earlier. sudo lsof -i:5900
>> >
>> > I get nothing. No error message,
>> >  just goes to a new  terminal prompt .
>>
>> Then port 5900 is not open on the machine.  To check it is the right
>> command try
>> sudo lsof -i:22
>>
>>
>> Colin
>>
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>
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