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I am trying to setup web access to the CUPS on my remote server Ubuntu 14.04

It should be very easily: 

sudo apt-get install cups 

# instead of manualy change /etc/cups/cupsd.conf 
sudo cupsctl --remote-admin  # and looks OK
sudo service cups restart

As I understand now I should be able to acces the CUPS web GUI from IP address

server-ip:631 or server-ip:631/admin  (or same with https://)

I don't get even "access denied" page. After some time browser show "ERR_CONNECTION_TIMED_OUT"

Should I install some kind of web server for this? Or anything else?

edit:

$ netstat -antp|grep 631
tcp    0     0 0.0.0.0:631       0.0.0.0:*       LISTEN   13011/cupsd     
tcp6   0     0 :::631            :::*            LISTEN   13011/cupsd     


$ iptables-save
# Generated by iptables-save v1.4.21 on Thu Nov  3 22:12:45 2016
*filter
:INPUT ACCEPT [35932464:3745849365]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [32176449:4015002291]
COMMIT
# Completed on Thu Nov  3 22:12:45 2016
tasmaniski
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  • [This](http://askubuntu.com/a/532123/602680) is probably what you're looking for. – TheOdd Nov 03 '16 at 20:39
  • Firewalls? `netstat -antp|grep 631` and `iptables-save`... – Rostislav Kandilarov Nov 03 '16 at 20:42
  • @RostislavKandilarov He's trying to access his **remote** server's **local** IP address. He's not on the same network, nor is CUPS hosting the server on the server's external IP. The link that I referenced is a solution to this. – TheOdd Nov 03 '16 at 20:43
  • Actually I checked that link and execute cupsctl --remote-admin After that cupsd.conf is configured well... – tasmaniski Nov 03 '16 at 20:47
  • @tasmaniski So is it working or did nothing change? – TheOdd Nov 03 '16 at 20:48
  • @tasmaniski Just to clarify, are you on the same network as the server? Also, are you using the server's internal or external IP address when trying to connect with your browser? – TheOdd Nov 03 '16 at 20:57
  • Not working... pls. see my edit cc @RostislavKandilarov – tasmaniski Nov 03 '16 at 20:58
  • No, I am not on the same network and I am using the server public IP. I am running web app with nginx on same server and that works on that public IP. – tasmaniski Nov 03 '16 at 21:02
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    You would need to forward the appropriate port through the router to the target system. – Elder Geek Nov 03 '16 at 21:07
  • `iptables-save` ? – Rostislav Kandilarov Nov 03 '16 at 21:12
  • @ElderGeek Sorry to ask, but Are you sure? I am on home laptop and CUPS is installed on remote server in Germany (different country). So I just want to access to web admin through public IP. – tasmaniski Nov 03 '16 at 21:13
  • @tasmaniski Yes, you would need to forward the 631 port to be accessible outside of the local network of the server. – TheOdd Nov 03 '16 at 21:16
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    That would be the common approach. However I suppose you could try tunneling over SSH as mentioned here:http://askubuntu.com/questions/23936/how-do-you-administer-cups-remotely-using-the-web-interface/164971#164971 – Elder Geek Nov 03 '16 at 21:18
  • As suggested by Elder Geek and Owen Hines, can you answer also if there is any router between Internet and your print server? `/sbin/ifconfig` ? – Rostislav Kandilarov Nov 03 '16 at 22:23

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