Port 8888 — HTTP alt
Quick reference for TCP/UDP port 8888, used by HTTP alt. Includes what the service does, security guidance and related ports.
Port
8888
Protocol
TCP
Service
HTTP alt
What is port 8888?
HTTP alt; Jupyter notebooks default.
What port does HTTP alt use?
HTTP alt listens on port 8888 by default.
Security guidance
Medium risk — open with care
Port 8888 (HTTP alt) can safely face the internet if you keep the software up to date, restrict admin endpoints, and use TLS where possible. Audit who can reach it and watch your logs.
Related ports
Frequently asked
What is port 8888 used for?+
Port 8888 is the standard TCP/UDP port for HTTP alt. HTTP alt; Jupyter notebooks default.
What port does HTTP alt use?+
HTTP alt listens on port 8888 by default.
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