Bug ID 1491209: Non-root, local authentication fails when LDAP is configured with chase referrals and an invalid DNS server is configured

Last Modified: May 29, 2024

Affected Product(s):
F5OS F5OS-A, F5OS-C(all modules)

Known Affected Versions:
F5OS-A 1.5.2

Opened: Jan 16, 2024

Severity: 3-Major

Symptoms

Local and remote authentication to F5OS will timeout and fail. Running commands as root may take 60 seconds before each command returns.

Impact

Users cannot successfully authenticate via the GUI. Local admin users cannot successfully authenticate. Logging in as root takes 2 minutes and many system commands will take at least 60 seconds to complete.

Conditions

LDAP authentication is configured with chase-referrals set to true and an invalid or non-responsive DNS server is also configured.

Workaround

Set 'system aaa authentication ldap chase-referrals false' or ensure a working DNS server is always configured.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips