Port
Port 3128 — Squid proxy
Port 3128 (TCP) is used by Squid proxy. Squid web proxy default port.
Port 3128 at a glance
| Property | Value |
|---|---|
| Port number | 3128 |
| Transport | TCP |
| Service | Squid proxy |
| Category | Registered port |
What it is used for
Squid web proxy default port.
Security considerations
Prevent open-proxy abuse.
See our full TCP/UDP port reference and learn how firewalls filter ports in the CyberOps course.
Frequently asked questions
What is port 3128 used for?
Port 3128 (TCP) is used by Squid proxy. Squid web proxy default port.
Is port 3128 TCP or UDP?
Port 3128 uses TCP.
Is it safe to open port 3128?
Prevent open-proxy abuse.
Related
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