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McAfee Web Gateway Proxy
Port 9090 is commonly used as the default proxy port for McAfee Web Gateway, formerly known as Webwasher or Secure Web. It facilitates secure web filtering, malware scanning, content inspection, and access control for corporate networks, acting as an intermediary between users and the external internet to enforce organizational security policies..
Port 9090 has been widely adopted as the default management and proxy communication port for web security solutions like McAfee Web Gateway, previously branded as Webwasher and Secure Web. Operating primarily over TCP, this service intercepts HTTP and HTTPS traffic, enabling real-time inspection and modification before forwarding it to the intended destination. Administrators access configuration and reporting interfaces over this port, facilitating centralized management of security policies.
The gateway maintains extensive filtering capabilities such as URL categorization, malware detection, SSL inspection, and data leak prevention. When a user requests a webpage, the proxy analyzes content based on pre-configured rules, blocks malicious or inappropriate material, and logs activity for auditing purposes. SSL interception allows visibility into encrypted traffic, an essential feature for detecting threats embedded in HTTPS streams.
From an operational viewpoint, port 9090 listens for proxy requests on the internal network and may also support management interfaces exposed to privileged users. Its typical deployment in enterprise perimeters enforces unified security controls, reduces the attack surface by masking client IP addresses, and consolidates access management. Integration via APIs further extends its capabilities to third-party security tools.