[Bug 3930] New: check_pam_user() fails for AD users they do not match case
bugzilla-daemon at mindrot.org
bugzilla-daemon at mindrot.org
Tue Feb 24 23:55:09 AEDT 2026
https://bugzilla.mindrot.org/show_bug.cgi?id=3930
Bug ID: 3930
Summary: check_pam_user() fails for AD users they do not match
case
Product: Portable OpenSSH
Version: 10.0p2
Hardware: Other
OS: All
Status: NEW
Severity: major
Priority: P5
Component: PAM support
Assignee: unassigned-bugs at mindrot.org
Reporter: chsdik at gmail.com
When a user logged tries to login using lower case username, AD will
match it but returns the username in ALL CAPS; login then fails with:
debug1: PAM user "casper" does not match expected "CASPER"
PAM user mismatch
and the connection is severed.
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