901
SWAT
High RiskTCP — Web
Port Overview
Port Number
901
Service Name
SWAT
Transport Protocol
TCP
Category
Web
Security Risk
High
Port Range
Well-Known (0-1023)
What is Port 901?
Samba Web Administration Tool (SWAT), deprecated in Samba 4.0 and removed in 4.1 due to security concerns. VMware ESXi also uses this port for host management.
TCP
Web
Security Considerations
Port 901 (SWAT) is classified as high risk. This port is a common target for automated scanning and brute-force attacks. If you must expose it, restrict access to known IP addresses.
Recommendation: Use firewall rules to whitelist trusted IPs. Enable rate limiting and intrusion detection.