keystone.cmd.doctor.tokens module

keystone.cmd.doctor.tokens module

keystone.cmd.doctor.tokens.symptom_unreasonable_max_token_size()[source]

keystone.conf [DEFAULT] max_token_size should be adjusted.

This option is intended to protect keystone from unreasonably sized tokens, where “reasonable” is mostly dependent on the keystone.conf [token] provider that you’re using. If you’re using one of the following token providers, then you should set keystone.conf [DEFAULT] max_token_size accordingly:

  • For Fernet, set keystone.conf [DEFAULT] max_token_size = 255, because Fernet tokens should never exceed this length in most deployments. However, if you are also using keystone.conf [identity] driver = ldap, Fernet tokens may not be built using an efficient packing method, depending on the IDs returned from LDAP, resulting in longer Fernet tokens (adjust your max_token_size accordingly).
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