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Enable ports 80 (HTTP) and 443 (HTTPS)

This page applies to:

By default, PaperCut NG/MF listens to ports 9191, and 9192, 9195 HTTP and HTTPS communication respectively (a full list of ports used by PaperCut can be found in our article Firewall Ports ). These ports have been selected as they’re generally unused by other applications. Because PaperCut NG/MF is a web application, you might want to have the interface available on the standard HTTP and HTTPS ports (80 and 443 respectively).

The main reason why you might want to implement this is so that users can simply type in yourpapercutserver.edu without the port number, as opposed to http://yourpapercutserver.edu:9191 which may be harder for users to remember.

The configuration procedure is different for each operating system. See below for instructions. Important: Before you begin, ensure no other applications (such as IIS, or Apache) are currently installed and using ports 80 or 443 on the server hosting PaperCut NG/MF.

Windows

  1. Open the file: [app-path]\server\server.properties
  2. Enable port 80 (and 443) by changing the appropriate settings from N to a Y. They should look like: server.enable-http-on-port-80=Y
    server.enable-https-on-port-443=Y
  3. Restart the Application Server. (See Stop and start the Application Server .)
  4. Test and ensure the web interface is working, for example, http://[myserver]/admin

Linux

On Linux systems, only privileged programs that run as root can use ports under 1024. In line with security best practice, PaperCut runs as a non-privileged user. To enable port 80 and 443, use iptables (or ipchains on old systems) to port-forward 80 to 9191 (HTTP) 9192/9195 (HTTPS).

The following commands provide an example. Consult your distribution’s documentation to see how to persist the iptables rules between system restarts:

/sbin/iptables -t nat -I PREROUTING --src 0/0 --dst <server_ip> \
-p tcp --dport 80 -j REDIRECT --to-ports 9191
/sbin/iptables -t nat -I PREROUTING --src 0/0 --dst <server_ip> \
-p tcp --dport 443 -j REDIRECT --to-ports 9192

These commands would typically be placed in an rc init script or the iptables startup config script as provided by your distribution.

When you are done, restart the Application Server. (See Stop and start the Application Server .)

Mac

The approach on Mac systems is similar to Linux. With the release of Mac OS X 10.11 (El Capitan) and the inclusion of System Integrity Protection (SIP) modifications to /System/ are disabled by default and disabling this feature is not recommended. The following information works for Mac OS X 10.10. For Mac OS X 10.10 and later, the support for the IPFW firewall has been removed in favor of PF.

Mac OS X 10.10

From Mac OS X 10.10, you must use the pfctl command to modify the Mac firewall.

  1. Create the anchor file:
    sudo vi /etc/pf.anchors/com.papercut

  2. Modify the /etc/pf.anchors/com.papercut file by adding the following lines:

    rdr pass on lo0 inet proto tcp from any to self port 80 -> 127.0.0.1 port 9191
    rdr pass on en0 inet proto tcp from any to any port 80 -> 127.0.0.1 port 9191
    rdr pass on en1 inet proto tcp from any to any port 80 -> 127.0.0.1 port 9191

  3. Test the anchor file:
    sudo pfctl -vnf /etc/pf.anchors/com.papercut

  4. Add the anchor file to the pf.conf file:
    sudo vi /etc/pf.conf

    Then add in the following lines under each corresponding section, for example, the rdr-anchor line under the current rdr-anchor line, and the load anchor under the current load-anchor statement:
    rdr-anchor "port80"
    load anchor "port80" from "/etc/pf.anchors/com.papercut"

  5. Load the pf.conf file automatically at startup by editing the current daemon for pf:
    sudo vi /System/Library/LaunchDaemons/com.apple.pfctl.plist

    Then within the section detailing the program arguments <key>ProgramArguments</key>, add in an extra string with -e, which enables the config, as per:

    <string>pfctl</string>
    <string>-e</string>
    <string>-f</string>
    <string>/etc/pf.conf</string>

  6. Save the file, exit and restart the server to test.

  7. To test this method manually (no restart required) you can use the pfctl command:
    sudo pfctl -ef /etc/pf.conf

    This loads and enables the pf.conf file, which then calls the com.papercut anchor file.

  8. Restart the Application Server. (See Stop and start the Application Server .)

Mac OS X 10.9 and earlier

In Mac OS X 10.9 and earlier, use the ipfw command to modify the Mac firewall:

sudo /sbin/ipfw add 102 fwd 127.0.0.1,9191 tcp from any to any 80 in

See the ipfw man page for all the scary details.

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