IPP
The Internet Printing Protocol (IPP) on port 631 is used for communication between client devices and printers over a network. It allows users to submit print jobs, query printer status, and manage print queues. IPP is widely supported by modern printers and operating systems.
What is IPP
The Internet Printing Protocol (IPP) is a network printing protocol that allows for the management and printing of documents over a network. Operating on port 631, IPP provides a standardized way for clients to communicate with printers, enabling tasks such as submitting print jobs, querying printer status, and managing print queues.
IPP was developed by the Printer Working Group (PWG) and has become a widely adopted standard in the printing industry. It supports advanced features such as secure printing, job tracking, and printer discovery, making it a versatile and robust solution for network printing needs.
Modern operating systems and printers typically support IPP, allowing for seamless integration and ease of use. The protocol's ability to work over HTTP and HTTPS also means it can be used in a variety of network environments, including local networks and the internet.
IPP runs on TCP and UDP port 631 and is official IANA port.Security risk
If port 631 is open and the IPP service is running, it could be exploited by unauthorized users to submit print jobs or access sensitive documents. Additionally, vulnerabilities in the IPP implementation could be targeted for attacks, potentially leading to denial of service or other security breaches. Proper firewall rules and access controls are essential to mitigate these risks.
In our UFW tutorial you can follow instructions how you can configure UFW to close port 631. Use StackChanges to monitor if the IPP port is closed and stays closed. StackChanges will send an alert if port 631 is open again.