PAM: Authentication failure for root

Solution Verified - Updated -

Issue

Root is unable to login and following is logged in /var/log/secure

Sep  6 11:20:33 ieavu27 sshd[7802]: Connection from 10.68.132.21 port 53817 on 10.68.26.207 port 22
Sep  6 11:20:41 ieavu27 sshd[7802]: reverse mapping checking getaddrinfo for l007111.iehibdom.com [10.68.132.21] failed - POSSIBLE BREAK-IN ATTEMPT!
Sep  6 11:20:41 ieavu27 sshd[7802]: Postponed keyboard-interactive for root from 10.68.132.21 port 53817 ssh2 [preauth]
Sep  6 11:20:48 ieavu27 sshd[7802]: error: PAM: Authentication failure for root from 10.68.132.21
Sep  6 11:20:48 ieavu27 sshd[7802]: Failed keyboard-interactive/pam for root from 10.68.132.21 port 53817 ssh2
Sep  6 11:20:48 ieavu27 sshd[7802]: Postponed keyboard-interactive for root from 10.68.132.21 port 53817 ssh2 [preauth]

Environment

  • Red Hat Enterprise Linux 7.x
  • PAM
  • SSHD

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