Port 8088 — Hadoop / web alt
Quick reference for TCP/UDP port 8088, used by Hadoop / web alt. Includes what the service does, security guidance and related ports.
What is port 8088?
Hadoop ResourceManager UI.
What port does Hadoop / web alt use?
Hadoop / web alt listens on port 8088 by default.
Is port 8088 open? How to check
Run one of these from your computer, replacing HOST with the IP address or domain you want to test.
nc -zv HOST 8088
Test-NetConnection HOST -Port 8088
nmap -p 8088 HOST
A refused or timed-out connection means the port is closed or filtered by a firewall.
Security guidance
Medium risk — open with care
Port 8088 (Hadoop / web 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 8088 used for?+
Port 8088 is the standard TCP/UDP port for Hadoop / web alt. Hadoop ResourceManager UI.
What port does Hadoop / web alt use?+
Hadoop / web alt listens on port 8088 by default.
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