Port 3128 — Squid Proxy
TCP · Port 3128/TCP is used for the Squid proxy service, a caching and forwarding HTTP/HTTPS proxy server. This port is responsible for handling HTTP and HTTPS requests and responses, allowing clients to access content through the proxy. The security relevance of this port lies in its ability to control and filter incoming and outgoing network traffic.
- Port Number
- 3128
- Service Name
- Squid Proxy
- Protocol
- TCP
- Common Software
- Squid
Security Notes
Review IANA registry for port 3128 usage. Apply principle of least privilege - only open ports that are required.
FAQ
Port 3128 is used for Squid Proxy. Port 3128/TCP is used for the Squid proxy service, a caching and forwarding HTTP/HTTPS proxy server. This port is responsible for handling HTTP and HTTPS requests and responses, allowing clients to access content through the proxy. The security relevance of this port lies in its ability to control and filter incoming and outgoing network traffic. Common software: Squid.
Review IANA registry for port 3128 usage. Apply principle of least privilege - only open ports that are required.
Use nmap: nmap -p 3128 <target> or check locally: ss -tlnp | rg 3128