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Slack

6min

BlokSec can be configured to support passwordless login to Slack via SAML2.

The BlokSec <> Slack integration enables authentication via the SAML protocol. Configuration involves a few simple steps on both the BlokSec admin UI and the Slack admin console.

BlokSec Admin UI

1 . Sign into BlokSec admin UI as a user with admin privileges for your tenant

2. On the main dashboard, click the Add Application drop-down and select Create From Template

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3. Select Slack

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4. Complete the application details as follows:

Name: Slack (or your desired application name) Logo URI: You can replace this with a link to the logo of your choice, or leave the default for Slack's logo Entity ID: https://slack.com NameID Source: Account name Assertion Consumer Service: https://yourdomain.slack.com/sso/saml (replace 'yourdomain' with your Slack domain name) Single Logout Service: https://yourdomain.slack.com/sso/saml/logout (replace 'yourdomain' with your Slack domain name) Name ID Format: Persistent Custom Attributes: (no change required)

The template includes one custom attribute which is mandatory for Slack: $User.Email - the Default Value for this attribute will be pulled from the user's email using the ${email} variable

5. Click Submit to save the configuration

6. Click View Cert and then select Copy; also make note of the SSO Uri as it will be required when configuring Slack

Slack Admin Console

Sign into the Slack admin console as a user with admin privileges

Navigate to Authentication

Click Configure for SAML authentication

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Complete the identity provider configuration with the following values (adjusting if required to meet your desired behaviour):

SAML 2.0 Endpoint (HTTP): Enter the SSO Uri from the BlokSec application noted above Identity Provider Issuer: https://api.bloksec.io X.509 certificatate: Upload the certificate file saved in step 5 above SSo sign-in URL: Select Copy Link

Expand the Advanced Options section, and ensure that Assertions Signed is not checked

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At the bottom of the configuration section, you may customize the Sign In Button Label - we suggest using BlokSec for this

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Click Save Configuration to apply the configuration changes - Slack will prompt you to login to ensure the changes are working as expected.

Updated 25 May 2023
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TABLE OF CONTENTS
BlokSec Admin UI
Slack Admin Console