F5 has used the Linux standard MD5 hashed passwords since the introduction of V9. These passwords are resistant to rainbow tables, but not completely immune.

Recently, BIG-IP 11.4 was enhanced to hash local passwords with the salted SHA512 algorithm rather than MD5. These hashes start with $6$<salt>$<hash> and are considered much more resistant to rainbow table attacks.

F5 is always looking for ways to make our platform more secure.

Comments on this Article
Comment made 3 months ago by Carl Brothers

More information on this can be found here - https://support.f5.com/csp/#/article/K65081001

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