Ray,

Let me explain you my architecture. I have a CAS client (mod_auth_cas)
which redirects to NGINX Load Balancer. The nginx forwards to one of the
active CAS Server. Do I need to install certificates on all CAS Server?

User request to Mod_auth_cas via HTTPS but I am doing ssl stripping for
internal communication from Nginx to CAS server. i.e Plain http
comminication is happenning from nginx to cas server.


Can you pls guide me how can I achieve logout for my approach.

On Thu, May 17, 2018 at 9:49 PM, Ray Bon <r...@uvic.ca> wrote:

> Ramakrishna,
>
> Add this to the log config:
>
>         <AsyncLogger name="org.apereo.cas.util.http" level="debug" />
>
> The above may produce a lot of messages.
> It looks to be a problem with CAS contacting your client. It could be a
> certificate issue.
> I guess you created a certificate since it is on a 192 ip. Did you add the
> certificate to the java key store? If CAS and your client are on different
> machines, then the certificate will need to be added to both.
>
> Ray
>
> On Thu, 2018-05-17 at 12:01 +0530, Ramakrishna G wrote:
>
> Hi Ray,
>
> As said by you, I enabled logs and this is the output
>
> 2018-05-17 11:50:46,479 INFO [org.apereo.cas.logout.DefaultLogoutManager]
> - <Performing logout operations for [TGT-2-***********************
> **********************************eGcHG1JqHs-client]>
> 2018-05-17 11:50:46,501 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Processing logout request
> for service [org.apereo.cas.authentication.principal.
> SimpleWebApplicationServiceImpl@432f5faa[id=https://192.168.
> 111.12:8443/,originalUrl=https://192.168.111.12:8443/,*artifactId=<null>*
> ,principal=casuser,loggedOutAlready=false,format=XML]]...>
> 2018-05-17 11:50:46,503 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Service [org.apereo.cas.
> authentication.principal.SimpleWebApplicationServiceImpl@432f5faa[id=
> https://192.168.111.12:8443/,originalUrl=https://192.168.111.12:8443/,
> artifactId=<null>,principal=casuser,loggedOutAlready=false,format=XML]]
> supports single logout and is found in the registry as
> [id=10000001,name=HTTPS and IMAPS,description=This service definition
> authorizes all application urls that support HTTPS and IMAPS
> protocols.,serviceId=^(https|imaps)://.*,usernameAttributeProvider=org.
> apereo.cas.services.DefaultRegisteredServiceUsernameProvider@d
> ,theme=<null>,evaluationOrder=10000,logoutType=BACK_CHANNEL,
> attributeReleasePolicy=org.apereo.cas.services.
> ReturnAllowedAttributeReleasePolicy@15646ed9[attributeFilter=<null>,
> principalAttributesRepository=org.apereo.cas.authentication.principal.
> DefaultPrincipalAttributesRepository@7923006f[],
> authorizedToReleaseCredentialPassword=false,authorizedToReleaseAuthenticat
> ionAttributes=true,authorizedToReleaseProxyGrantingTicket=false,
> excludeDefaultAttributes=false,principalIdAttribute=<
> null>,consentPolicy=org.apereo.cas.services.consent.
> DefaultRegisteredServiceConsentPolicy@330ae512[excludedAttributes=<null>,
> includeOnlyAttributes=<null>,enabled=true],allowedAttributes=[]],
> accessStrategy=org.apereo.cas.services.DefaultRegisteredServiceAccess
> Strategy@5bc47191[enabled=true,ssoEnabled=true,requireAllAttributes=true,
> requiredAttributes={},unauthorizedRedirectUrl=<null>
> ,caseInsensitive=false,rejectedAttributes={}],
> publicKey=<null>,proxyPolicy=org.apereo.cas.services.
> RefuseRegisteredServiceProxyPolicy@2cd156ce,logo=<null>,logoutUrl=<null>,
> requiredHandlers=[],properties={},multifactorPolicy=org.apereo.
> cas.services.DefaultRegisteredServiceMultifactorPolicy@6dc092b8[
> multifactorAuthenticationProviders=[],failureMode=NOT_SET,
> principalAttributeNameTrigger=<null>,principalAttributeValueToMatch
> =<null>,bypassEnabled=false],informationUrl=<null>,
> privacyUrl=<null>,contacts=[],expirationPolicy=org.apereo.cas.services.
> DefaultRegisteredServiceExpirationPolicy@687fb318[deleteWhenExpired=false,
> notifyWhenDeleted=false,expirationDate=<null>],<null>]. Proceeding...>
> 2018-05-17 11:50:46,514 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Prepared logout url [
> https://192.168.111.12:8443/] for service [org.apereo.cas.
> authentication.principal.SimpleWebApplicationServiceImpl@432f5faa[id=
> https://192.168.111.12:8443/,originalUrl=https://192.168.111.12:8443/,
> artifactId=<null>,principal=casuser,loggedOutAlready=false,format=XML]]>
> 2018-05-17 11:50:46,515 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Creating logout request for
> [org.apereo.cas.authentication.principal.SimpleWebApplicationServiceImp
> l@432f5faa[id=https://192.168.111.12:8443/,originalUrl=
> https://192.168.111.12:8443/,artifactId=<null>,principal=
> casuser,loggedOutAlready=false,format=XML]] and ticket id [ST-3-Ca79ror-
> smWCKyQzaBNn0ZYt6l0-client]>
> 2018-05-17 11:50:46,517 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Logout request
> [org.apereo.cas.logout.DefaultLogoutRequest@61e23890[
> ticketId=ST-3-Ca79ror-smWCKyQzaBNn0ZYt6l0-client,service=org.apereo.cas.
> authentication.principal.SimpleWebApplicationServiceImpl@432f5faa[id=
> https://192.168.111.12:8443/,originalUrl=https://192.168.111.12:8443/,
> artifactId=<null>,principal=casuser,loggedOutAlready=
> false,format=XML],status=NOT_ATTEMPTED]] created for [org.apereo.cas.
> authentication.principal.SimpleWebApplicationServiceImpl@432f5faa[id=
> https://192.168.111.12:8443/,originalUrl=https://192.168.111.12:8443/,
> artifactId=<null>,principal=casuser,loggedOutAlready=false,format=XML]]
> and ticket id [ST-3-Ca79ror-smWCKyQzaBNn0ZYt6l0-client]>
> 2018-05-17 11:50:46,518 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Logout type registered for
> [org.apereo.cas.authentication.principal.SimpleWebApplicationServiceImp
> l@432f5faa[id=https://192.168.111.12:8443/,originalUrl=
> https://192.168.111.12:8443/,artifactId=<null>,principal=
> casuser,loggedOutAlready=false,format=XML]] is [BACK_CHANNEL]>
> 2018-05-17 11:50:46,519 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Creating back-channel logout
> request based on [org.apereo.cas.logout.DefaultLogoutRequest@61e23890[
> ticketId=ST-3-Ca79ror-smWCKyQzaBNn0ZYt6l0-client,service=org.apereo.cas.
> authentication.principal.SimpleWebApplicationServiceImpl@432f5faa[id=
> https://192.168.111.12:8443/,originalUrl=https://192.168.111.12:8443/,
> artifactId=<null>,principal=casuser,loggedOutAlready=
> false,format=XML],status=NOT_ATTEMPTED]]>
> 2018-05-17 11:50:46,522 DEBUG [org.apereo.cas.logout.
> SamlCompliantLogoutMessageCreator] - <Generated logout message:
> [<samlp:LogoutRequest xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol"
> ID="LR-1-vL8zdM8-dQR8rayaAYJJz6d2" Version="2.0"
> IssueInstant="2018-05-17T11:50:46Z"><saml:NameID
> xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion">@NOT_USED@
> </saml:NameID><samlp:SessionIndex>ST-3-Ca79ror-
> smWCKyQzaBNn0ZYt6l0-client</samlp:SessionIndex></samlp:LogoutRequest>]>
> 2018-05-17 11:50:46,522 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Preparing logout request for
> [https://192.168.111.12:8443/] to [https://192.168.111.12:8443/]>
> 2018-05-17 11:50:46,547 DEBUG [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] - <Prepared logout message to
> send is [org.apereo.cas.logout.LogoutHttpMessage@e0bb76[url=h
> ttps://192.168.111.12:8443/,message=<samlp:LogoutRequest
> xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol" 
> ID="LR-1-vL8zdM8-dQR8rayaAYJJz6d2"
> Version="2.0" IssueInstant="2018-05-17T11:50:46Z"><saml:NameID
> xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion">@NOT_USED@
> </saml:NameID><samlp:SessionIndex>ST-3-Ca79ror-
> smWCKyQzaBNn0ZYt6l0-client</samlp:SessionIndex></samlp:
> LogoutRequest>,asynchronous=false,contentType=application/
> x-www-form-urlencoded,responseCode=0]]. Sending...>
> 2018-05-17 11:50:46,659 WARN [org.apereo.cas.logout.
> DefaultSingleLogoutServiceMessageHandler] -* <Logout message is not sent
> to [https://192.168.111.12:8443/ <https://192.168.111.12:8443/>];
> Continuing processing...>*
> 2018-05-17 11:50:46,661 INFO [org.apereo.cas.logout.DefaultLogoutManager]
> - <[1] logout requests were processed>
> 2018-05-17 11:50:46,668 INFO 
> [org.apereo.inspektr.audit.support.Slf4jLoggingAuditTrailManager]
> - <Audit trail record BEGIN
> =============================================================
> WHO: casuser
> WHAT: TGT-2-******************************************************
> ***eGcHG1JqHs-client
> ACTION: TICKET_GRANTING_TICKET_DESTROYED
> APPLICATION: CAS
> WHEN: Thu May 17 11:50:46 IST 2018
> CLIENT IP ADDRESS: 192.168.111.12
> SERVER IP ADDRESS: 192.168.111.12
> =============================================================
>
>
>
> On Tue, May 15, 2018 at 11:59 PM, Ray Bon <r...@uvic.ca> wrote:
>
> Ramakrishna,
>
> If the TGT is destroyed, then that SSO session is also destroyed even if
> the TGC is not (why TGC is not removed is odd).
> If you are still logged in to the client application, your client may not
> be part of single log out (SLO). It is up to the client to manage its own
> session.
> When you say 'valid ticket', do you mean a new service ticket?
>
> You can try these log4j2 options to see what is happening during the
> logout process:
>
>
>         <!-- DEBUG service status and logout process and a lot of details
> -->
>         <AsyncLogger name="org.apereo.cas.logout" level="info" />
>         <!-- INFO  Performing logout operations for [TGT-...]
>                    [number] logout requests were processed
>              DEBUG ST, principal and URL -->
>         <AsyncLogger name="org.apereo.cas.logout.DefaultLogoutManager"
> level="info">
>             <Filters>
>                 <ThresholdFilter level="INFO" onMatch="ACCEPT"
> onMismatch="NEUTRAL" />
>                 <RegexFilter regex="Captured logout request.*"
> onMismatch="DENY" />
>             </Filters>
>         </AsyncLogger>
>         <!-- DEBUG Logout request will be sent to but does not print
> anything when login was through SAML 1.1 -->
>         <AsyncLogger name="org.apereo.cas.logout.De
> faultSingleLogoutServiceLogoutUrlBuilder" level="warn" />
>         <!-- DEBUG preparing, processing and logout with URL and ST -->
>         <AsyncLogger name="org.apereo.cas.logout.De
> faultSingleLogoutServiceMessageHandler" level="debug" />
>         <!-- DEBUG SAML logout payload -->
>         <AsyncLogger name="org.apereo.cas.logout.Sa
> mlCompliantLogoutMessageCreator" level="debug" />
>
> Ray
>
> On Tue, 2018-05-15 at 15:58 +0530, Ramakrishna G wrote:
>
> On Clicking logout which calls the cas/logout link :
>
> WHO: casuser
> WHAT: TGT-1-******************************************************
> ***CPmWzMzi-I-client
> ACTION: TICKET_GRANTING_TICKET_DESTROYED
> APPLICATION: CAS
> WHEN: Tue May 15 15:45:17 IST 2018
> CLIENT IP ADDRESS: 192.168.111.12
> SERVER IP ADDRESS: 192.168.111.12
> =============================================================
>
>
>
> But i can see that in the browser , the TGC cookie still resides , which
> forces me to delete the cookies or close the browser for a fresh login. Is
> there any way to avoid this?
>
> On Sat, May 12, 2018 at 1:45 PM, Ramakrishna G <r...@tts.in> wrote:
>
> Yes it is redirected to logout page, yet cookies is not removed. When I
> refresh it redirects to application with valid ticket instead of
> redirecting to login page.
>
>
> On Fri, May 11, 2018 at 8:39 PM, Ray Bon <r...@uvic.ca> wrote:
>
> Ramakrishna,
>
> If the browser is redirected to /cas/logout, the cookies will/should be
> removed.
>
> Ray
>
> On Fri, 2018-05-11 at 19:30 +0530, Ramakrishna G wrote:
>
> Hello Team,
>
> On logout CAS cookies are not removed from browser. I need to forcefully
> clear. What might be the reason?
>
> Thanks
> Ramakrishna G
>
> --
> Ray Bon
> Programmer analyst
> Development Services, University Systems
> 2507218831 | CLE 019 | r...@uvic.ca
>
> --
> - Website: https://apereo.github.io/cas
> - Gitter Chatroom: https://gitter.im/apereo/cas
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> .
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>
>
>
> --
> Ray Bon
> Programmer analyst
> Development Services, University Systems
> 2507218831 | CLE 019 | r...@uvic.ca
>
> --
> - Website: https://apereo.github.io/cas
> - Gitter Chatroom: https://gitter.im/apereo/cas
> - List Guidelines: https://goo.gl/1VRrw7
> - Contributions: https://goo.gl/mh7qDG
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> To unsubscribe from this group and stop receiving emails from it, send an
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> .
>
>
> --
> Ray Bon
> Programmer analyst
> Development Services, University Systems
> 2507218831 | CLE 019 | r...@uvic.ca
>
> --
> - Website: https://apereo.github.io/cas
> - Gitter Chatroom: https://gitter.im/apereo/cas
> - List Guidelines: https://goo.gl/1VRrw7
> - Contributions: https://goo.gl/mh7qDG
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