Question

IPFS private network on Droplet

Hi, I’ve been trying to create an ipfs private network using droplets, node on the network don’t see each other. I believe the issue is that the ports are not open, even when I set them to using ‘ufw’. For example, in the droplet, I add rules like: ‘ufw allow 4001’, then telnet to <Droplet_IP> 4001, I get a return of gibberish characters:

telnet <Droplet_IP> 4001

▐╒║T╖yc§π∩π┼é═▓╜#↔╡Kê╗óf╥)HªÿÆd
                               ,»b╚$TÜ6á

Connection to host lost.

if I do

root@ubuntu-s-1vcpu-1gb-sfo3-01:~# netstat -plant | grep 4001

tcp        0      0 0.0.0.0:4001            0.0.0.0:*               LISTEN      1005/ipfs
tcp6       0      0 :::4001                 :::*                    LISTEN      1005/ipfs

and ufw status:

To                         Action      From
--                         ------      ----
22                         ALLOW       Anywhere
80                         ALLOW       Anywhere
443                        ALLOW       Anywhere
4001                       ALLOW       Anywhere
9096                       ALLOW       Anywhere
22 (v6)                    ALLOW       Anywhere (v6)
80 (v6)                    ALLOW       Anywhere (v6)
443 (v6)                   ALLOW       Anywhere (v6)
4001 (v6)                  ALLOW       Anywhere (v6)
9096 (v6)                  ALLOW       Anywhere (v6)

it looks like the ports are open?

I’ve read that a service must be running and listening on 0.0.0.0, for the port to work. Even when I change the ipfs node, I still get the same result. Other nodes cant see it, and telnet returns gibberish.

What is the correct way to open a port on a droplet, so I can get a good response from telnet?

Initially, when I tested installing ipfs on unbuntu 20.04 droplets. Maybe last month, it was working out of the box. Nodes could see each other, and I could upload files from any machine in the network. Since then, something has changed. Any help you could provide would be greatly appreciated.


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