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"No Suitable Hash Algorithm (23) Unable to Hash Password % Login failed" Error Prevents Console and Remote Login Authentication to Session Border Controller(SBC) (Doc ID 2453290.1)

Last updated on JULY 10, 2019

Applies to:

Net-Net OS - Version E-Cx6.4.0 to E-Cz8.0.0 [Release E-Cx6.0 to E-Cz8.0]
Net-Net OS - Version S-Cx6.4.0 to S-Cz8.0.0 [Release S-Cx6.0 to S-Cz8.0]
Acme Packet 4600
Acme Packet 1100
Acme Packet 3900
Acme Packet 6300
Acme Packet 6350
Acme Packet OS
Netra X3-2 for Acme Packet
Acme Packet OS

Symptoms

After rolling back from an SCZ8.1.0 or ECZ8.1.0 software release to an older version, one may experience the following login failure error when attempting to log into the system via the serial console or remote SSH/SFTP services:

 

no suitable hash algorithm (23?)
unable to hash password
% Login failed

 

Local "user" and "admin" accounts are unable to log into the system, though reverting back to SCZ8.1.0 or ECZ8.1.0 will results in successful logins without the error message.

Changes

System was previously running SCZ8.1.0 or ECZ8.1.0 and a the local user or admin account password was changed or reset while running that newer software release.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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