PuTTY X11 proxy: wrong authentication protocol attemptedError: Can't open display: localhost:10.0?

Solution Verified - Updated -

Issue

  • Enabled X11Forwarding in /etc/ssh/sshd_config and restarted the sshd daemon and have the xorg-x11-xauth and xorg-x11-apps packages installed but getting message ...
  • PuTTY X11 proxy: wrong authentication protocol attemptedError: Can't open display: localhost:10.0

Environment

  • Red Hat Enterprise Linux (RHEL)6
  • X11

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content