Tcp Port 5357 May 2026

nmap -p 5357 <target-IP> TCP port 5357 is a legitimate, useful port that powers seamless device discovery and printing on modern networks via the WSDAPI. For most users and small businesses, it poses no significant threat and disabling it will degrade the plug-and-play experience.

: Don’t panic if you see port 5357 open. Verify it’s associated with a printer or discovery service. If it’s open on a random workstation with no printers nearby and strange traffic patterns, investigate further. tcp port 5357

tasklist | findstr <PID> Legitimate owners will be svchost.exe (with WSD-related flags) or a printer driver process. nmap -p 5357 <target-IP> TCP port 5357 is