Port 5357 Jun 2026

If you see port 5357 open during a security scan (using tools like nmap or Zenmap ), it usually indicates that is turned on.

Automated discovery of network hardware like printers and scanners

In the complex ecosystem of computer networking, specific ports are designated for specific tasks. While ports like 80 (HTTP) and 443 (HTTPS) are well-known even to casual users, others operate in the background, facilitating essential but often invisible functions. Port is one such entity. port 5357

Modern security research indicates that some ransomware strains attempt to use WSDAPI on port 5357 to discover other targets within a compromised network, allowing the infection to spread faster. Troubleshooting and Monitoring

TCP port 5357 is typically used for the , a Microsoft protocol that allows Windows systems to automatically discover and communicate with network-connected devices like printers and scanners . Is it "Good"? If you see port 5357 open during a

sc stop WSDPrintService # if present sc config WSDPrintService start= disabled

Historically, vulnerabilities like those detailed in Microsoft Security Bulletin MS09-063 have shown that attackers can exploit WSD by sending specially crafted messages to this port to compromise a system. Port is one such entity

It is extensively used by the WSD Port Monitor to discover network printers, monitor their status (like ink levels or paper jams), and send print jobs.

Default port assignments from IANA list 5357 as (Web Services for Devices API).