Configuring the Authentication and Authorization Web Services (2023)


Overview of the Authentication and Authorization Web Services



authorization and authentication web services are part of the

Access Gateway

installation. You can enable or disable them individually.

The following video gives an overview of the feature and how to use it:

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The web services configuration process presupposes configuration of the following



  • One or more agents to protect target applications against which callers authenticate

  • Realms, user directories, policies, and responses that are required for authentication and authorization

You can use the authentication and authorization web services to support an application that is not otherwise protected. A free-standing application on a mobile phone, for example, can authenticate a user when the appropriate


objects are available.

These web services support the SOAP 1.2 protocol and the HTTP-based RESTful architectureusing the POST method. The authentication and authorization web services provide the following functionality:

  • login -- Authenticates and returns a session token when the authentication is successful.

    If the Enable User Tracking option is enabled, the response contains an identity token additionally.

  • blogin -- Authenticates and verifies whether the login is successful; does not return a session token.

  • logout -- Logs out the user or group of users.

  • authorize -- Returns an authorization status message and a refreshed session token.

The response to a request of an operation is dependent on the corresponding


generated headers. If a resource is protected with the Anonymous authentication scheme, the response does not contain a session token but contains an identity token. The identity token can be used in the subsequent authorization request instead of a session token.

An authentication request includes the following parameters:

  • appId

  • resource string

  • action

  • user credentials

The appId references a user-defined logical name for the location of a hierarchy of resources, not a


Application object. Internally, the appId maps to an agent.


uses the agent name to determine the realm. The realm, the resource string, and user credentials are enough to authenticate the user.

An authorization request is simpler than an authentication request. The authorization request includes an appId, resource path, action, and session token, obtained from the login response. The web service validates the token and determines whether to grant access to the specified resource.

Configure the Web Services

By default, the web services feature is installed when you install or upgrade to

Access Gateway


To configure the web services, perform the following steps:

  1. Create anACOfor the web services through AdministrativeUI.

  2. Mitigate theDTD external entity injectionin the web services.

  3. Protect the web services.

  4. Enable the web services through Administrative UI.

  5. (Optional) Enable the web services logs.

Create an ACO for the Web Services

You can manage the web services through an ACO. To use the web services, you must enable the enableauth parameter or the enableaz parameter or both.

Follow these steps:

  1. Create an ACO that is based on the AuthAzServiceDefaultSettings template in Administrative UI.

  2. Configure the following parameters:

    • AgentName

      Defines the names of the web agent that protects a resource. You can define one or more web agents where each web agent protects an application. Enter a multi-value pair in the following format:




      • agent_name

        Defines the name of the web agent that protects a resource.

      • appID

        Defines the reference name of the web agent that was specified in agent_name or of the application that is protected by the web agent.


        uses this value in the web services requests, thus protecting the agent name from the users.

    • enableauth

      Specifies the status of the authentication web service. If you want to use the authentication web service, set the value to yes.

    • enableaz

      Specifies the status of the authorization web service. If you want to use the authorization web service, set the value to yes.

    • RequireAgentEnforcement

      Specifies whether the web services must be protected by a


      agent. Set this value to yes and protect the web services by a


      Agent. If you set the value to yes and the web services are not protected, the requests to web services fail.

  3. Save the changes.

Enable the Web Services

Use the ACO that you created in the previous procedure to enable the web services through Administrative UI.

If the values of enableauth and enableaz are set to no, the web services do not function even though you enable the support through

Access Gateway

Administrative UI.

Follow these steps:

  1. Navigate to Web Services, Auth and Az Web Services.

  2. Enable theAuth and Az Web Services option.

  3. Type the unique host name of the web services virtual host in Host Name.


    : Ensure that you specify a correct FQDN.

    Access Gateway

    creates avirtual host and enables the web services.
  4. Type the name of the ACO that is created for the web services in Agent Configuration Object.

  5. Click Save.

    The web services are enabled.

Mitigate DTD External Entity Injection in the Web Services

Configure the web.xml file to mitigate the DTD external entity injection in the web services.

Follow these steps

  1. Stop Access Gateway.

  2. Navigate to


    \Tomcat\webapps\CA_AuthAZ\WEB-INF and open the web.xml file.
  3. Verify whether the file contains the




    parameters, and ensure that


    isset to


    .If the parameters are not present in the file, add the following lines of code after the



    <context-param> <param-name>customjaxbparsingrequired</param-name> <param-value>true</param-value></context-param><context-param> <param-name>xmlvalidationrequired</param-name> <param-value>false</param-value></context-param>

  4. Save the change.

  5. Start Access Gateway.

Protect the Web Services

We recommend that you protect the web services. Protecting the web services lets


authenticate and authorize the web services client before a user request is processed. When you protect the web services in your production environment,

Access Gateway

includes the SMSESSION cookie into the user request. If the RequireAgentEnforcement ACO parameter is enabled, theuser request is verified for the SMSESSION cookie before processing the user request.

You can protect the root URL of the web services using the Basic authentication scheme or X.509 Client Certificate authentication scheme or JWT authentication scheme. We recommend that you use the X.509 Client Certificate authentication scheme.

To protect the authentication and authorization web service using a basic authentication scheme, perform the following steps:

  1. Create a basic authentcation scheme for the web service.

  2. Protect the authentication and authorization web service root URL with the basic authentication scheme created in Step 1.

For more information about using the basic authentication, see How to protect Auth/Az Web services with Basic Authentication.

To access the protected web service client request, perform the following steps:

  1. Combine the username and password into the username:password string format.

  2. Encode the string using Base64.

  3. Send the encoded string in the header in the following format:

    Authorization: Basic


To protect the authentication and authorization web service using an X.509 Client Certificate authentication scheme, perform the following steps:

  1. Create an X.509 Client Cert authentication scheme for the web service with the following Server Name:

    Server Name

    Defines the FQDN host name of the web service virtual host that you created in

    Access Gateway


  2. Protect the web service root URL with authentication scheme created in Step 1.

  3. Create a certificate mapping for the root certificate in


    Administrative UI.

To access the protected web service client request, you must sendthe X.509 client certificate along with the web service request. If a user accesses with a valid client certificate, the request is validated and the web service is accessed.

For more information about using theX.509 Certificate authentication scheme, see Access Gateway:Auth/AZ Web Service with Certificate Authentication and Access Gateway:X.509 Cert Authentication.

To protect the authentication and authorization web service using JWT authentication scheme, perform the following steps:

  1. Create a JWT authentication scheme for the web service.

  2. Protect the web service root URL with authentication scheme created in Step 1.

The authentication and authorization Web Service accepts JWT and generates an SMSESSION. When a client sends a valid JWT to authentication and authorization web service, Policy Server authenticates the user and web service generates an SMSESSION. If there is an invalid JWT, the authentication and authorization service does not generate an SMSESSION.

For more information about using the JWT authentication scheme, see JSON Web Token (JWT) Authentication Scheme (Release 12.8.03 and later).

Enable the Web Services Logs


Access Gateway

to enable the web services logging.


:If you customized the authaz-log4j.xml file in your current version, ensure that you take a back up of the file before you upgrade

Access Gateway

and customize it after the upgrade.

Follow these steps

  1. Navigate to



  2. Open the authaz-log4j.xml file.

  3. Uncomment the following appender in the



    <RollingFile name="AuthAZ_ROLLING" fileName="logs/authazws.log" filePattern="logs/authazws.log.%d{MM-dd-yy-HH-mm-ss}.%i"> <PatternLayout> <Pattern>%d{yyyy-MMM-dd HH:mm:ss,SSS} - %p - %c - %m%n</Pattern> </PatternLayout> <Policies> <SizeBasedTriggeringPolicy size="10 MB" /> <OnStartupTriggeringPolicy/> </Policies> <DefaultRolloverStrategy max="10"/> </RollingFile>

  4. Uncomment the following appender of the

    logger in the



    <AppenderRef ref="AuthAZ_ROLLING" />

  5. Uncomment the following appender of the

    logger in the



    <AppenderRef ref="AuthAZ_ROLLING" />

  6. Set the log level to


    in all the instances of the file.
  7. Save the changes.

  8. Restart the web services.

  9. Verify that authazws.log is generated at





Create the Client Program

Once the web services are configured by the SiteMinder administrator, the application programmer has to create the client program. The function of the client program is to issue authentication and authorization requests to the web service on behalf of another application. The client program requires code for a client stub. The stub manages, sends, and receives messages to communicate with the web service. The web service support a WSDL file (for the SOAP protocol) and a WADL file (for the REST architecture). You can access the WSDL or WADL file using a web browser, and then save it as an XML file.

Follow these steps:

  1. Write the business logic for your application, which gathers the required credentials.

  2. Create the client stub. Optionally, you can use the WSDL or WADL file with a third-party tool to generate the client stub.

    • To load the WSDL, use the following URL:






    • To load the WADL, use the following URL:






    To retrieve the metadata from these locations, be sure to set the DefaultAgentName parameter in the ACO to one of your agents.

  3. Import the client stub and instantiate the stub object to invoke the web service.

The sections that follow list simplified sample SOAP and REST messages for reference.

Authentication SOAP Interface

These simplified samples show how authentication works using the SOAP protocol. Most authentication schemes can be supported by an IdentityContext consisting of just three fields: username, password, and binaryCreds. The value of binaryCreds contains either certificate data or JWT depending on the authentication scheme that is used.Other authentication schemes that require more fields are supported by additional operations whose inputs are tailored to the credential type.

The following example is an authentication web service normal user login request:

<s:Envelope xmlns:s="" xmlns:aut=""> <s:Header/> <s:Body> <aut:login> <identityContext> <userName>user1</userName> <password>user1</password> <binaryCreds></binaryCreds> </identityContext> <appId>app1</appId> <resource>/*</resource> <action>GET</action> <sessionToken></sessionToken> </aut:login> </s:Body> </s:Envelope>

The blogin operation (Boolean Login) is similar to the login operation. However, blogin does not return a SMSESSION value in the response, as shown in the following example:

<s:Envelope xmlns:s="" xmlns:aut=""> <s:Header/> <s:Body> <aut:blogin> <identityContext> <binaryCreds> </binaryCreds> <password>user1</password> <userName>user1</userName> </identityContext> <appId>app1</appId> <action>GET</action> <resource>/*</resource> </aut:blogin> </s:Body> </s:Envelope>

The following example represents a successful login response:

<s:Header/> <s:Body> <aut:loginResponse xmlns:aut=""> <return> <message>Authentication Successful</message> <resultCode>LOGIN_SUCCESS</resultCode> <sessionToken>session</sessionToken> <authenticationResponses> <response/> <response/> </authenticationResponses> </return> </aut:loginResponse> </s:Body></s:Envelope>

The following example represents a failed login attempt:

<S:Envelope xmlns:S=""> <S:Body> <ns2:loginResponse xmlns:ns2=""> <return> <message>Authentication Failed</message> <resultCode>LOGIN_FAILED</resultCode> <authenticationResponses> <response> </response> </authenticationResponses> </return> </ns2:loginResponse> </S:Body></S:Envelope>

The following example represents an authentication web service user logout request:

Even though a user has successfully logged out, the agent can still use the SessionToken to authorize, because it is considered to be a valid user credential.

<s:Envelope xmlns:s="" xmlns:aut=""> <s:Header/> <s:Body> <aut:logout> <sessionToken>session</sessionToken> </aut:logout> </s:Body></s:Envelope>

The following example represents a successful authentication web service logout response:

<S:Envelope xmlns:S=""> <S:Body> <ns2:logoutResponse xmlns:ns2=""> <return> <message>Logout Successful</message> <resultCode>LOGOUT_SUCCESS</resultCode> </return> </ns2:logoutResponse> </S:Body></S:Envelope>

Authentication REST Interface

REST means REpresentational State Transfer. In REST, service requests transform the state of objects accessible by URIs. HTTP drives state change using actions such as create, read, update, and delete.

The URI mapping for authentication and authorization consists of the appId and resourcePath. The resource state is the collections of authenticated or authorized users associated with the Resource. The service names for authentication are login, blogin, and logout.

REST interface supports both JSON and XML request and response formats.Toget a response in JSON format for the REST based interfaces, add Accept Header with


as the value while sending the request.

A URI in this format, http://hostname:port/authazws/AuthRestService/login/




, posts the following request:

Release 12.8 and 12.8.01


<loginRequest> <username>user1</username> <password>user1</password> <action>GET</action> </loginRequest>

Release 12.8.02 and later


<loginRequest> <userName>user1</userName> <password>user1</password> <action>GET</action> </loginRequest>

JSON request format:

Release 12.8 and 12.8.01


{ "binaryCreds": "", "password": "user1", "username": "user1", "action": "POST"}

Release 12.8.02 and later


{"binaryCreds": "","password": "user1","userName": "user1","action": "POST"}

The login responses:

HTTP return code 200

<loginResponse><message>Authentication successful</message><resultCode>LOGIN_SUCCESS</resultCode><sessionToken>session</sessionToken><authenticationResponses> <response> <name>SM_SESSIONDRIFT</name> <value>0</value> </response></authenticationResponses></loginResponse>

JSON Response format:

{ "authenticationResponses":

{"response": [

{"name": "SM_USER","value": "uid=user1,ou=People,"},{"name": "SM_SESSIONDRIFT","value": "0"}

]}, "message": "Authentication Successful", "resultCode": "LOGIN_SUCCESS", "sessionToken": "session"}

HTTP return code 400


<message>Bad Request</message> <resultCode>LOGIN_ERROR</resultCode></loginResponse>

JSON Response Format

{ "message": "Bad Request", "resultCode": "LOGIN_ERROR"}

HTTP return code 200

<loginResponse><message>Authentication Failed</message><resultCode>LOGIN_FAILED</resultCode><authenticationResponses> <response><name>SM_AUTHREASON</name> <value>0</value> </response> </authenticationResponses></loginResponse>

JSON Response Format

{ "message": "Authentication Failed", "resultCode": "LOGIN_FAILED"}

HTTP return code 500

<loginResponse> <message>System</message> <resultCode>Server Error</resultCode></loginResponse>

JSON Response Format

{ "message": "System", "resultCode": "Server Error"}

The bLogin operation (Boolean Login) is similar to login. A URI in this form, http://host:port#/blogin/appId/resourcePath posts as shown in the login request. It returns yes or no in the response message.

A URI in this format, http://host:port#/authazws/AuthRestService/logout/, posts the following the logout request:


JSON logout request format:

{ "sessionToken": "session"}

The authentication web service logout responses:

<logoutResponse> <message>Logout Successful</message> <resultCode>LOGOUT_SUCCESS</resultCode></logoutResponse>

<logoutResponse> <message>Logout Failed</message> <resultCode>LOGOUT_FAILURE</resultCode></logoutResponse>

JSON logout response format:

{ "message": "Logout Successful", "resultCode": "LOGOUT_SUCCESS"}

{ "message": "Logout Failed", "resultCode": "LOGOUT_FAILURE"}

Authorization SOAP Service

The following XML approximates an authorization request to the web service:

<soapenv:Envelope xmlns:soapenv="" xmlns:aut=""> <soapenv:Header/> <soapenv:Body> <aut:authorize> <sessionToken>session</sessionToken> <appId></appId> <action>GET</action> <resource>/domainAdmin/a.jsp</resource> </aut:authorize> </soapenv:Body></soapenv:Envelope>

You can replace GET with POST in the action.

The following example represents an authorization web service AUTHORIZED response:

<S:Envelope xmlns:S=""> <S:Body> <ns2:authorizeResponse xmlns:ns2=""> <return> <message>Authorization successful</message> <resultCode>AUTHORIZED</resultCode> <sessionToken>sWNuJjptq1XhS</sessionToken> <authorizationResponses> <response> </response> </authorizationResponses> </return> </ns2:authorizeResponse> </S:Body></S:Envelope>

The following example represents an authorization web service UN AUTHORIZED response:

<S:Envelope xmlns:S=""> <S:Body> <ns2:authorizeResponse xmlns:ns2=""> <return> <message>Authorization Failed</message> <resultCode>NOTAUTHORIZED</resultCode> <authorizationResponses/> </return> </ns2:authorizeResponse> </S:Body></S:Envelope>

For an authorization web service request with a valid session token, the NOTAUTHORIZED authorization response has the following constraints:

  1. You can configure the response with only the following attributes in the Administrative UI:




  2. The response does not contain a session token.

Authorization REST Interface


JSON authorization request format:

{ "action": "POST","sessionToken": "session"}

HTTP return Code 200:

<authorizationResult> <message>Authorization successful</message> <resultCode>AUTHORIZED</resultCode> <sessionToken>session</sessionToken> <authorizationResponses> <response> <name>SM_USERDN</name> <value>uid=user3,ou=People,</value> </response> </authorizationResponses></authorizationResult>

JSON authorization response format:

{ "authorizationResponses": {"response": [

{"name": "SM_USER","value": "uid=user1,ou=People,"}

]}, "message": "Authorization successful", "resultCode": "AUTHORIZED", "sessionToken": "session"}


What is authentication and authorization in Web services? ›

Authentication and authorization are two vital information security processes that administrators use to protect systems and information. Authentication verifies the identity of a user or service, and authorization determines their access rights.

How to implement authentication in web service? ›

Implement the Web Service Access Key
  1. Create a user specifically for web services. For more information, see Manage Users and Permissions.
  2. Sign in as the new user, and generate a web service access key in the user account.
  3. Use the access key in the web service application. To. See.
Apr 27, 2022

How authentication and authorization works in web application? ›

The authentication and authorization mechanism in such a site is simple. After the user logs into the website, a single database holding user information verifies their identity. A session is created on the server, and all subsequent requests use the session to identify the user without another login required.

Which authentication is used in Web services? ›

The Web Services Security implementation for WebSphere® Application Server supports the following authentication methods: BasicAuth, Lightweight Third Party Authentication (LTPA), digital signature, and identity assertion.

What is authentication and authorization in API? ›

Authentication is the process of verifying who a user is, and authorization is the process of verifying what they have access to.

How authentication and authorization works in REST API? ›

Basic Authentication Flow

A REST request can have a special header called Authorization Header, this header can contain the credentials (username and password) in some form. Once a request with Authorization Header is received, the server can validate the credentials and can let you access the private resources.

What is required for authentication of API and Web services? ›

Most APIs require you to sign up for an API key in order to use the API. The API key is a long string that you usually include either in the request URL or request header. The API key mainly functions as a way to identify the person making the API call (authenticating you to use the API).

Which 2 methods of authentication does Web server authentication support? ›

You can use Active Directory single sign-on (SSO) or the captive portal to authenticate users.

How to do basic authentication in web API? ›

In IIS Manager, go to Features View, select Authentication, and enable Basic authentication. In your Web API project, add the [Authorize] attribute for any controller actions that need authentication. A client authenticates itself by setting the Authorization header in the request.

How do you implement authentication and authorization process? ›

A user requests access to an application. The application determines that the user is not authenticated yet and redirects the user to the identity server. The user authenticates with the identity server. The identity server sends on successful authentication an access token/ID token to the user.

What is authentication and authorization with example? ›

In simple terms, authentication is the process of verifying who a user is, while authorization is the process of verifying what they have access to. Comparing these processes to a real-world example, when you go through security in an airport, you show your ID to authenticate your identity.

What are the three types of authentication? ›

Authentication factors can be classified into three groups: something you know: a password or personal identification number (PIN); something you have: a token, such as bank card; something you are: biometrics, such as fingerprints and voice recognition.

How does a web server manage authentication? ›

How Web Server Authentication Works
  1. When a web browser first tries to access a URL within the protected section, the web server responds by requesting authentication.
  2. The web browser displays an authentication dialog to the user. ...
  3. The user types a user name and password, which the browser sends to the web server.

What is the authentication mechanism for Web services? ›

Web service clients can authenticate themselves either by using the authentication mechanisms provided by the HTTP protocol such as basic authentication, or by adding a security token to the WS Security header. Depending on the authentication mechanism, different authentication options are available.

What is an example of a web authentication? ›

For example, a website might implement a login process that requires a user to both 1) enter a predetermined username and password and 2) verify their account with a one time code sent via email or SMS.

Which comes first authentication or authorization? ›

Authentication is the first step of a good identity and access management process. Authorization always takes place after authentication.

How does authentication and authorization work? ›

Authentication confirms that users are who they say they are. Authorization gives those users permission to access a resource. While authentication and authorization might sound similar, they are distinct security processes in the world of identity and access management (IAM).

Is an API key authorization or authentication? ›

API keys provide project authorization

To decide which scheme is most appropriate, it's important to understand what API keys and authentication can provide. API keys aren't as secure as authentication tokens (see Security of API keys), but they identify the application or project that's calling an API.

What is the best authentication method for API? ›

OAuth 2.0 is a widely used standard for API authentication, since it provides a secure and convenient way for users to grant third-party applications access to their resources without sharing their passwords.

How do I provide authentication in REST API? ›

Authentication is typically done by requiring the client to provide some form of credentials – such as a user name and password, an OAuth token, or a JSON Web Token (JWT). As an API owner, you can implement authentication in Apigee using policies.

How would you handle API access and authentication? ›

Common API Authentication Methods

The simplest way to handle authentication is through the use of HTTP, where the username and password are sent alongside every API call. You can use an HTTP header and encode the username and password.

How many types of authentication are there in Web API? ›

There are four ways to authenticate when calling a web API: API key authentication. Basic authentication. OAuth 2.0 Client Credentials Grant.

What are the 5 factors of authentication? ›

The five main authentication factor categories are knowledge factors, possession factors, inherence factors, location factors, and behavior factors.

Which authentication is best for web application? ›

For web applications that leverage server-side templating, session-based auth via username and password is often the most appropriate. You can add OAuth and OpenID as well. For RESTful APIs, token-based authentication is the recommended approach since it's stateless.

Which three options must be defined for Web authentication? ›

Web Authentication relies on three major properties:
  • Strong. Authentication is ideally backed by a Hardware Security Module, which can safely store private keys and perform the cryptographic operations needed for WebAuthn.
  • Scoped. A keypair is only useful for a specific origin, like browser cookies. ...
  • Attested.

How to build API authentication? ›

Here's how:
  1. When a user signs up for access to your API, generate an API key: var token = crypto. ...
  2. Store this in your database, associated with your user.
  3. Carefully share this with your user, making sure to keep it as hidden as possible. ...
  4. To authenticate a user's API request, look up their API key in the database.
Oct 6, 2021

What are authentication techniques in API? ›

Basic and Bearer authentication schemes are widely used API authentication methods. They both use HTTP headers to authenticate API users, and they can be used in combination with API Keys for added security. HTTP Basic Authentication: API consumers send API requests with a username and password in an HTTP header.

What is the order of authorization and authentication? ›

Authentication is about identifying who is issuing the command, and making sure that the caller is really that person/system. Authorization occurs necessarily after, since it is about deciding whether the duly authenticated requester should be allowed to proceed or not.

What are the three methods used for step up authentication? ›

For step-up authentication, companies can choose to implement any form of additional authentication, such as using a one-time password via SMS, requiring a security key, or use of an authentication app, among others.

What are two examples of authentication? ›

Something you know, such as a password, passphrase or personal identification number (PIN) Something you have, such as a token or smartcard. Something you are, such as a biometric like a fingerprint.

Does authentication happen in frontend or backend? ›

When the frontend needs to authenticate the user, it calls an API endpoint ( /api/login ) on the backend to start the login handshake. The backend uses OpenID connect with Auth0 to authenticate the user and getting the id, access, and refresh tokens. The backend stores the user's tokens in a cache.

What is a simple example of authorization? ›

A good example is house ownership. The owner has full access rights to the property (the resource) but can grant other people the right to access it. You say that the owner authorizes people to access it.

What are the two most commonly used authentication factors? ›

Authentication using two or more factors to achieve authentication. Factors include: (i) something you know (e.g., password/personal identification number [PIN]); (ii) something you have (e.g., cryptographic identification device, token); or (iii) something you are (e.g., biometric).

What is the most commonly used form of authentication? ›

The most commonly used form of authentication is the password. Users set a password that only they know and link it to their username and account for an application or website.

How do I authenticate a user? ›

In authentication, the user or computer has to prove its identity to the server or client. Usually, authentication by a server entails the use of a user name and password. Other ways to authenticate can be through cards, retina scans, voice recognition, and fingerprints.

How do I set up server authentication? ›

In SQL Server Management Studio (SSMS) Object Explorer, right-click the server, and then select Properties. On the Security page, under Server authentication, select the new server authentication mode, and then select OK.

Which protocol is used for authentication services? ›

Kerberos is a type of protocol that is used to authenticate users. It validates the client and server during networking with the help of a cryptographic key. It is designed to strongly authenticate the users during the reporting of the application.

What is basic authentication in restful web services? ›

Basic authentication is an HTTP-based authentication approach and is the simplest way to secure REST APIs. It uses a Base64 format to encode usernames and passwords, both of which are stored in the HTTP header.

What are the three shared Web services authentication types? ›

If you start working with third-party APIs, you'll see different API authentication methods. The most common ones for authentication are Basic Authentication, API Key, and OAuth. Each one of them ensures the information security on your platform.

What is the basic authentication method? ›

Basic Authentication is a method for an HTTP user agent (e.g., a web browser) to provide a username and password when making a request. When employing Basic Authentication, users include an encoded string in the Authorization header of each request they make.

What is authorization in Web services? ›

Authorization (also known as access control) is granting access to specific resources based on an authenticated user's entitlements. Entitlements are defined by one or several attributes.

What is authentication vs authorization in AWS? ›

Authentication identifies and verifies who you are. Authorization determines what an identity can access within a system once it has been authenticated to it.

What is authentication in web server? ›

Authentication is used by a server when the server needs to know exactly who is accessing their information or site. Authentication is used by a client when the client needs to know that the server is system it claims to be. In authentication, the user or computer has to prove its identity to the server or client.

What are there are three main examples of authentication? ›

Authentication factors can be classified into three groups: something you know: a password or personal identification number (PIN); something you have: a token, such as bank card; something you are: biometrics, such as fingerprints and voice recognition.

What is Type 3 authentication examples? ›

Type 3 – Something You Are – includes any part of the human body that can be offered for verification, such as fingerprints, palm scanning, facial recognition, retina scans, iris scans, and voice verification.

How do you manage your authorization with Web API? ›

If you want authorization on all the actions of a controller then put Authorize above the controller class as in the following:
  1. [Authorize]
  2. public class ValuesController : ApiController.
  3. {
  4. private List<Employee> EmpList = new List<Employee>();
  5. // GET api/values.
  6. [HttpGet]
  7. [Authorize]
  8. public IEnumerable<Employee> Get()
Nov 25, 2020

How do I authenticate an API? ›

To authenticate API requests, you can use basic authentication with your email address and password, your email address and an API token, or an OAuth access token. All methods of authentication set the authorization header differently. Credentials sent in the payload or URL are not processed.

What are different types of authentication in API? ›

Common API authentication methods
  • HTTP basic authentication. If a simple form of HTTP authentication is all an app or service requires, HTTP basic authentication might be a good fit. ...
  • API access tokens. ...
  • OAuth with OpenID. ...
  • SAML federated identity.

Which AWS service control authentication and authorization? ›

AWS Identity and Access Management (IAM) provides fine-grained access control across the entire AWS platform. You can use IAM to specify who can access which services and resources, and under which conditions.

What are the authentication methods in AWS? ›

Determining the best approach
Authentication mechanismAWS front-end serviceAWS backend service
AWS Signature v4AllAWS Security Token Service (AWS STS)
Mutual TLSAWS IoT Core Amazon API GatewayAWS STS
OpenID ConnectAmazon Cognito Amazon API GatewayAWS STS
SAMLAmazon Cognito AWS Identity and Access Management (IAM)AWS STS
3 more rows
Dec 8, 2022

How does authentication work in AWS? ›

Authentication is provided by matching the sign-in credentials to a principal (an IAM user, federated user, IAM role, or application) trusted by the AWS account. Next, a request is made to grant the principal access to resources. Access is granted in response to an authorization request.

How do I set up an authentication server? ›

Configure Host
  1. Right-click the Host icon and select Settings for Host.
  2. Go to Authentication, turn on Custom server security and click Servers.
  3. Click Add.
  4. Enter your RU server name and address and click OK.
  5. Make sure the server is selected in the list and click OK.
  6. Click Users and access control.

What are the different types of web authorization? ›

There are four types of Authorization – API keys, Basic Auth, HMAC, and OAuth.


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