Changing Port Numbers
Ports serve as endpoints for communicating with other devices. Typically, conventional port numbers are used for major protocols, but devices that use these port numbers are vulnerable to attacks because these port numbers are well-known. To enhance security, your Network Administrator may change the port numbers. When a port number has been changed, the new number must be shared with the communicating devices, such as computers and servers. Specify the port number settings depending on the network environment.
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To change the port number for proxy server, see Setting a Proxy.
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1
Display the <Menu> screen. Home Screen
Touch Panel Model
Select <Menu> in the Home screen.
5 Lines LCD Model
Press 
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.2
Select <Network Settings>.
If the screen for entering a PIN appears, enter the correct PIN. Setting the System Manager PIN
3
Select <TCP/IP Settings> 
<Port Number Settings>.
<Port Number Settings>.4
Selecting the protocol of which you want to change the port number.
Learning more about the protocols
<LPD>, <RAW> or <WSD Multicast Discovery> Configuring Printing Protocols and WSD Functions
<HTTP> Disabling HTTP Communication
<POP3> or <SMTP> Configuring E-Mail Communication Settings
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Enter the port number, and press <Apply> (
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