unable to do REST-API's to Catalyst Centers

[uher01]

Hi Cisco Team,

I'm trying to do some API tests with the Catalyst Centers Sandboxes. Unfortunatelly both ( https://sandboxdnac.cisco.com and https://sandboxdnac2.cisco.com ) seems not permitting any access anymore. I now get the error messages : {'error': 'Base64 Authorization is not allowed'}

It'd very benefical if this will be restored, are they in maintenance ? Only GUI is nice but especially for some advanced testing API's would be very helpful. Has something changed there ? I'm quite sure that some days ago it worked.

Many thanks!

Uwe

[bigevilbeard]

@uher01 what testing are you trying to do, the always on devices only accept read/get request. Can you share your method/code authentication? 

[dannyboy1982]

Hi @bigevilbeard - I'm also seeing this error (first time ever using so not confirmed working previously for me). When i use POST - https://sandboxdnac.cisco.com/dna/system/api/v1/auth/token along with creds in header I get a 502 bad gateway error. When using POST - https://sandboxdnac2.cisco.com/dna/system/api/v1/auth/token i get an error;

{

    "error": "Base64 Authorization is not allowed"

}

[bigevilbeard]

@dannyboy1982 @uher01 sandboxdnac i get bad gateway on the UI and API for sandboxdnac2.. i get the same as yall, but i can access the UI ok. So must be a sandbox issue

❯ curl -s -X POST https://sandboxdnac2.cisco.com/dna/system/api/v1/auth/token -H "Authorization: Basic ZGV2bmV0dXNlcjpDaXNjbzEyMyE="
{"error":"Base64 Authorization is not allowed"}

[uher01]

Hi bigevilbeard,

thanks for your quick response. It stops very basically. I'm not able to retrive any token.

def get_dnac_token():
USERNAME = dnac["user"]
PASSWORD = dnac["passwd"]
BASE_URL = "https://"+dnac["host"]
AUTH_URL = '/dna/system/api/v1/auth/token'

response = requests.post(BASE_URL + AUTH_URL,
auth=HTTPBasicAuth(USERNAME, PASSWORD),
verify=False)
print(response.json())
#token = response.json()['Token']

#return token

[crazednetworker]

 I too am unable to get anything and I get  an bad gateway when trying https://sandboxdnac.cisco.com from Http I was able to get a token from Wednesday, I believe but not since then I can't doing anything for 2 either for a token however HTTPS works on the second one  

[srnetworkadminsgi]

AES encryption is on and appears to disable base64 auth method.  Not sure who to contact to change this setting

[Torbjørn]

You will either have to contact someone with admin permissions for your Catalyst Center to have this changed, or start using the enabled AES encryption.

NOTE: Making changes to this will break authentication for existing applications that are using AES encryption for authentication.

[bigevilbeard]

As this is read only for user, guessing only an admin can change this - @jokearns1 

[dannyboy1982]

This service now appears back up - I'm able to retrieve an auth token today

[uher01]

unfortunatelly obviously only temporary, still get {'error': 'Base64 Authorization is not allowed'}

[uher01]

it seems https://sandboxdnac.cisco.com is now restored. REST-API is currently functional with this box. https://sandboxdnac2.cisco.com is still responding with {'error': 'Base64 Authorization is not allowed'}. Hope that at least for one sandbox function will remain.

[ecorban · Accepted solution]

AES encryption for authentication on both sandbox dnac and dnac2 is disabled. Please keep in mind that users have ability to enable it with AES Key.

[joanlee9494]

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