Piggyback off Shibboleth SP for GlobalProtect portal/gateway Authentication

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Piggyback off Shibboleth SP for GlobalProtect portal/gateway Authentication

L1 Bithead

Hello,

 

We have a shibboleth SP setup on our web server which has a discovery service built-in, so that users can authenticate against a number of different endpoints. Is there any way to carry over that configuration to a palo alto SAML authentication profile?

 

The general sequence of events:

1. User wants to access private webpage

2. Redirected to endpoint select, where there is a dropdown

3. Select an endpoint, continue, which then goes to the endpoint's IDP authentication page.

4. Authentication successful

 

I'm having trouble wrapping my head around this as an authentication profile. Can I reference the endpoint select webpage as the SSO url?

4 REPLIES 4

L2 Linker

PanOS supports SP initiated auth, where SP will be your GlobalProtect Portal and/or Gateway FQDN. 

You can use Shibboleth as the IdP and import the metadata to the firewall, then set up the authentication profile, to authenticate to the Portal or gateway or both.  Please have a look at the doc below

 

https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-admin/authentication/configure-saml-authenticati...

Hello,

 

I've attempted doing this, but I've experienced another hiccup. When I try to authenticate against the portal, I get the correct shibboleth SSO page, and I am able to sign in successfully. After I sign in, it doesn't recognize that I've signed in. Is there some SAML message that needs to be passed back to the palo for it to know that I've successfully authenticated?

 

Right now after I sign it just stays at the landing page, without doing anything.

 

- Hakan

<!--
This is example metadata only. Do *NOT* supply it as is without review,
and do *NOT* provide it in real time to your partners.
 -->
<md:EntityDescriptor xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata" ID="_82c9e1d51d701bd75df3ad69a6bf8db222c530d2" entityID="https://unity.rc.umass.edu/shibboleth">

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    <alg:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
    <alg:DigestMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#sha224"/>
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    <alg:SigningMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha256"/>
    <alg:SigningMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha224"/>
    <alg:SigningMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha512"/>
    <alg:SigningMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha384"/>
    <alg:SigningMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/>
    <alg:SigningMethod Algorithm="http://www.w3.org/2009/xmldsig11#dsa-sha256"/>
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    <alg:SigningMethod Algorithm="http://www.w3.org/2000/09/xmldsig#dsa-sha1"/>
  </md:Extensions>

  <md:SPSSODescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol urn:oasis:names:tc:SAML:1.1:protocol urn:oasis:names:tc:SAML:1.0:protocol">
    <md:Extensions>
      <init:RequestInitiator xmlns:init="urn:oasis:names:tc:SAML:profiles:SSO:request-init" Binding="urn:oasis:names:tc:SAML:profiles:SSO:request-init" Location="https://unity.rc.umass.edu/Shibboleth.sso/Login"/>
      <idpdisc:DiscoveryResponse xmlns:idpdisc="urn:oasis:names:tc:SAML:profiles:SSO:idp-discovery-protocol" Binding="urn:oasis:names:tc:SAML:profiles:SSO:idp-discovery-protocol" Location="https://unity.rc.umass.edu/Shibboleth.sso/Login" index="1"/>
    </md:Extensions>
    <md:KeyDescriptor>
      <ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
        <ds:KeyName>https://unity.rc.umass.edu/shibboleth</ds:KeyName>
        <ds:KeyName>unity.rc.umass.edu</ds:KeyName>
        <ds:X509Data>
          <ds:X509SubjectName>CN=unity.rc.umass.edu</ds:X509SubjectName>
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</ds:X509Certificate>
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      <md:EncryptionMethod Algorithm="http://www.w3.org/2009/xmlenc11#aes128-gcm"/>
      <md:EncryptionMethod Algorithm="http://www.w3.org/2009/xmlenc11#aes192-gcm"/>
      <md:EncryptionMethod Algorithm="http://www.w3.org/2009/xmlenc11#aes256-gcm"/>
      <md:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes128-cbc"/>
      <md:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes192-cbc"/>
      <md:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#aes256-cbc"/>
      <md:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#tripledes-cbc"/>
      <md:EncryptionMethod Algorithm="http://www.w3.org/2009/xmlenc11#rsa-oaep"/>
      <md:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p"/>
    </md:KeyDescriptor>
    <md:ArtifactResolutionService Binding="urn:oasis:names:tc:SAML:2.0:bindings:SOAP" Location="https://unity.rc.umass.edu/Shibboleth.sso/Artifact/SOAP" index="1"/>
    <md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:SOAP" Location="https://unity.rc.umass.edu/Shibboleth.sso/SLO/SOAP"/>
    <md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect" Location="https://unity.rc.umass.edu/Shibboleth.sso/SLO/Redirect"/>
    <md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://unity.rc.umass.edu/Shibboleth.sso/SLO/POST"/>
    <md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact" Location="https://unity.rc.umass.edu/Shibboleth.sso/SLO/Artifact"/>
    <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://unity.rc.umass.edu/Shibboleth.sso/SAML2/POST" index="1"/>
    <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST-SimpleSign" Location="https://unity.rc.umass.edu/Shibboleth.sso/SAML2/POST-SimpleSign" index="2"/>
    <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact" Location="https://unity.rc.umass.edu/Shibboleth.sso/SAML2/Artifact" index="3"/>
    <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:2.0:bindings:PAOS" Location="https://unity.rc.umass.edu/Shibboleth.sso/SAML2/ECP" index="4"/>
    <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:1.0:profiles:browser-post" Location="https://unity.rc.umass.edu/Shibboleth.sso/SAML/POST" index="5"/>
    <md:AssertionConsumerService Binding="urn:oasis:names:tc:SAML:1.0:profiles:artifact-01" Location="https://unity.rc.umass.edu/Shibboleth.sso/SAML/Artifact" index="6"/>
  </md:SPSSODescriptor>

</md:EntityDescriptor>

That is our SP's metadata. I was unable to directly import this because pan-os said "No IDP Descriptor node found". I'm trying to connect to an SP, not an IDP. Will this make a difference?

- Hakan

Hi Hakan,

 

Yes, you can pass SAML attributes and define them accordingly in the authentication profile in the User Attributes in SAML Messages from IdP. 

But it is not required, as we can also use NameID being sent in the SAML response from IdP. 

 

 

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