http

Since the HTTP protocol allows both request parameters and headers to be multi-valued, there is a pair of maps for each.

At this point, you are ready to invoke your Web service, pointing it to the HTTP server address.

The rest of this document speaks as though HTTP will be used for message transport.

At this point, you don't need to worry about putting any payload into the HTTP request, as you haven't yet included code to parse it.

The ODRs will route the incoming HTTP requests in an "application scoped" fashion to any target server capable of servicing the request.

BEEP is a peer-to-peer protocol, which means that it has no notion of client or server, unlike HTTP.

The connection time-out on the Web site that hosts the RPC over HTTP proxy networking component cannot be less than 30 seconds.

These steps walk you through all parts of your configuration to help troubleshoot an unsuccessful RPC over HTTP connection.

That means that if the URL needs to be rewritten, it will have done so by the time any of the built-in HTTP modules run.

Thefile format for a Web page is usually HTML (hyper-text markup language)and is identified in the HTTP protocol using a MIME content type.

In a drill-through definition, these parameters can be defined as part of the hyperlink (just as in HTTP GET requests).

As Roy points out, HTTP is our API, so maybe a bald statement would be to say that there should be no other standard api built using it.

HTTP is the first set of letters at the start of every Web address, followed by the domain name.

Method and passes it a number of useful objects, including the HTTP request and response objects.

These modifications will essentially trick the HTTP server plug-in into treating the WSGW servers as if they were in a cluster.

When SOAP sessions are running over an HTTP endpoint, changes to that endpoint can affect the state of current sessions for that endpoint.

This layer is also relatively easy to configure since, again, we're only dealing with a single protocol: HTTP(S).

If the total number of open HTTP connections reaches the connection limit on an HTTP server, you are likely to see timed-out connections.

HTTP authentication has been widely used, and does allow for a little bit of security, and possibly a little bit of state.

My primary complaint with existing MVC frameworks was that they magicked away too much, and tried to hide the HTTP layer.

It does not cache any content nor store any other information contained in the body of the HTTP data flow.

This HTTP header stores a string value and is often a list of values.

As you'll see in a moment, a bunch of temporary and dynamically created files are managed and monitored by the objects of the HTTP pipeline.

To see how HTTP handlers can be used to perform URL rewriting, consult the code available for download with this article.

Dojo makes it easy to transfer HTML form data into HTTP requests, and that is all you will need to do for these single-request actions.

The IHttpProtocolProvider interface is provided to make it easy to develop a custom HTTP-based delivery protocol.

The practice of sending all HTTP requests for a given session to a specific J2EE server is referred to as session affinity.

The web server code failed to handle the situation where it had an incoming HTTP socket and a slow client.

One, of course, is the fact that Web services are often implemented using unreliable, stateless transport protocols, specifically, HTTP.

In a cluster setting, this HTTP namespace reservation must be established by a local Windows administrator on each one of the nodes.

Anybody with an HTTP client and enough knowledge of our sync strategy should be able to synchronize with a data service.

Designed to be interoperable, they use XML as the transfer language, and (generally, but not always) HTTP as the transport protocol.

However, for other Web servers which do not implement HTTP compression, a commercial product might be needed.

However, for this code to work, the CherryPy server needs to be set up to associate a session cookie with each HTTP response.

A client would use a web browser to contact a web server and use HTTP to ask the web server for a specific HTML document.

To run this example you need the latest JDK and JSDK, some sort of servlet engine, and an HTTP server.

If the keyfile path does not exist, create the necessary directory structure in order for IBM HTTP Server to be able to find the file.

Since SOAP requests are always sent as XML documents, HTTP: POST is always used to send SOAP requests.

In these HTTP responses, only the body of the returned response is shown, in JSON format.

HTTP headers are just plain text, which makes it easy to use by the average Internet programmer.

The transport attribute specifies HTTP as the lower-level transport service that this binding will use.

If the server does not start, examine the HTTP server logs for further diagnosis and refer to the next subsections of this article.

HTTP is quite a universal protocol to use as the logical infrastructural element for your SOA.

Listeners must implement a basic subset of the HTTP protocol to be able to implement this part of the Pachube API.

The classic web application model works like this: Most user actions in the interface trigger an HTTP request back to a web server.

This applet visually illustrates HTTP delays for the retrieval of a Web page consisting of a base HTML page and a number of objects.

Your Web server is currently unable to handle the HTTP request due to a temporary overloading or maintenance of the server.

Restlet includes a client API that makes it easy to consume any remote HTTP-based services, not just JAX-RS services.

Well, you've got to understand HTTP ready states first.

Calls to the API take the form of an HTTP request to an established service entry-point URL, including details of the request as XML data.

If you use hidden fields and a page is processed in response to a link or an HTTP GET command , the hidden fields will not be available .

APP is nothing less than a RESTful, scalable, extensible, secure system for publishing content to HTTP servers.

The credentials sent as part of a digest authentication over HTTP must be mapped to a valid Windows domain account.

When overridden in a derived class, serializes Web method parameter values into a stream representing the outgoing HTTP request body.

OpenSSL is the cryptography library used for SSL communications, and is required by mod_ssl to encrypt HTTP traffic for Apache.

In the System Meta Variable (HTTP-EQUIV) dialog box, type REFRESH in the name box, and then type the number of seconds in the Value box.

The SSL certificate used by the HTTP server may be a self-signed certificate rather than one registered with a certificate authority.

You can implement SOA just as well by sending simple messages over Hypertext Transfer Protocol (HTTP).

Filtering on the input side is less effective because dynamic content can be entered into a Web site database via methods other than HTTP.

There are a number of other features which may help reduce the risks of trying to keep state for HTTP.

The Call Forwarding sample has both HTTP and SIP servlets, which is what makes it a converged application.

You can use data binding in a Web test to let a database serve as the source for the user inputs to the HTTP request in the Web test.

This method to support reliability is not standardized -- at least not beyond the level provided by HTTP.

A Persistent URL (PURL) is an ordinary HTTP URI in a domain backed by a strong persistence policy.

The HTTP REST interface provides a language-neutral and programming model-agnostic manner with which to interact with the appliance.

Gets a list of additional HTTP headers by which caching is varied for the Web page to which this derived page adapter is attached .

The format of an HTTP request is flexible enough that you can embed a SOAP request within the body.

At this point, the mediation module is capable of accepting binary data over HTTP.

Limited information available via HTTP: Testing from the outside means that the analysis does not know what happened inside.

Therefore, it makes sense to use a single script context during the processing of an HTTP request, as you'll see in the following section.

Even though any data can be encapsulated into a Java object, binary, text, audio, etc. , HTTP supports this directly.

When used in Ajax applications they involve additional HTTP requests and slow down the loading of your application.

Alternatively, the proxy server may be configured to disconnect HTTP connections that are kept open for a certain amount of time.

This can create situations in which some system stored procedures do not operate as expected when they are exposed on an HTTP endpoint.

And finally, the only port that must be opened on the inner firewall is the HTTP(S) port for the target application servers.

This can be implemented with a multi-protocol gateway with an HTTP front-side handler and IMS Connect backside URL.

As you can see from figure 7, we specify the location of our update site to be the location of our HTTP server.

A prime example is the Apache Web server, which can be configured to grant or deny an HTTP request for one of its resources.

Depending on which version of IBM HTTP Server you are installing, you may need a version of the Java runtime on your machine.

Every user action that normally would generate an HTTP request takes the form of a JavaScript call to the Ajax engine instead.

The name of the header should be converted to lower-case and any dashes replaced with underscores, as in "$http_user_agent" .

An HTTP module is called on every request, and lets you customize how the request or response is processed.

As you have seen, the Apache HTTP server contains extensive support for content negotiation; all other major Web server packages do as well.

It has no effect on the number of HTTP requests when a user visits your site for the first time and the browser's cache is empty.

XForms enables you to use HTTP's "PUT" method to save the instance data to a particular location.

However, one area of special consideration for such a topology is the generation of the HTTP plug-in configuration file.

Since the IBM HTTP Server is an Apache server clone, it was thought possible to use the freely available mod_gzip module.

HTTP are the verbs: GET, PUT and POST as well as a number of thoroughly tested solutions in the fields of authentication and encryption.

The proxy server running on a text of the agreement, you can only from the outside grid to be related to the HTTP data.

Finally, the documentation above did not include HTTP operations applicable for each URI.

By taking advantage of multithreading in the new VM the web container is able to dispatch multiple HTTP and HTTPS requests concurrently.

Messages can be sent to a destination using SOAP over HTTP, or MQ or RMI over IIOP, just to name some of the possibilities.

In the case of web applications, HTTP multiplexing can provide an enormous speed boost when used in conjunction with certain web servers.

When a client decides to communicate with a server it opens a TCP connection to send an HTTP request message to a server.

The network switch can then examine the incoming HTTP request header and determine to which cell it should route a request.

Property into a string array and writes each language name to a separate line of HTTP output.

Registering HTTP modules and HTTP handlers for an entire Web server requires only a simple addition to the machine.

Thanks to it, the stream gets fully consumed and its content is transformed to a string, using the encoding relevant to the HTTP exchange.

The Web service client then requests the service description in the form of a WSDL document using HTTP from a known URL.

Take the case of a request message flowing on a HTTP request flow whose wsa: ReplyTo is set to an addressable endpoint.

Basically, the HTTP header that goes to and from the server is in the form of a name-value pair.

The system allows command-line input via console or telnet, as well as a graphical Web-based user interface for HTTP and HTTPS.

It sounds like it's designed to either send XML over HTTP requests, or perhaps make HTTP requests in some sort of XML format.

The browser performs an HTTP POST method, which in ASP. NET is referred to as a postback.

Workaround: Ensure that HTTPS pages do not contain embedded references to resources addressed by the HTTP protocol.

Part 1 of this article introduces the "super cluster" technique as it applies to the HTTP plug-in and WebSphere Proxy Server.

Single object: If an object is placed into the HTTP session with a specific key, tie it to a particular owner.

The routing from a proxy server can be thought of as "application scoped, " as opposed to the "cluster scoped" routing of the HTTP plug-in.

At the bottom of the stack are communication protocols -- mostly HTTP and SMTP, though other protocols (such as HMS) could be used as well.

Similarly, the private key used to sign the receipt in the HTTP response should be the same as the one for the SSL server authentication.

Weighing the pros and cons, the company decides to use HTTP compression with the Web server for the Web application.

If the HTTP connection manager points to a WSDL file, the file can be downloaded from the Web site to a local file by the Web Service task.

The rate at which HTTP requests using the POST method are made. Post requests are generally used for forms or gateway requests.

HTTP (short for Hyper Text Transfer Protocol) is the Internet protocol used for transferring Web pages (described in the following section).

The calls move much more data than the average HTTP GET or POST call, and network performance is bound to be impacted.

This specification uses a number of terms to refer to the roles played by participants in, and objects of, the HTTP communication.

HTTP requests can involve more than a just a roundtrip to your server.

One thing to keep in mind is that it may be easier to set HTTP headers with your Web server rather than in the scripting language. Try both.

You can also see the InfoPath and HTTP parameters are included, though the syntax is a bit different, as the parameters are out of order.

The servlet converts the HTTP request into a MQSeries message and puts it in a queue.

Set a goal of transaction tracking for each HTTP or SOAP request submitted and its associated cost for your cloud-based application.

This object allows you to send HTTP response data to a client and contains information about that response.

These can be used for sender authentication, where the HTTP client is supposed to send a message.

Gets or sets the status code of the current HTTP response to which this property is attached.

ASP. NET caching allows you to use a number of techniques to store page output or application data across HTTP requests and reuse it.

The presence of a SOAP formatter and an HTTP channel begs the question: Can . NET Remoting be used to build Web services?

A more semantically elegant method is to take advantage of the HTTP headers to do content negotiation.

It was first introduced in 2000 in a Ph. D dissertation by Roy Fielding, one of the principal authors of the HTTP specification.

One, client-side data in Flash is never sent to the server, as it has nothing to do with HTTP.

This server can provide a very lightweight, complete, SOAP implementation without requiring an HTTP server to be installed on the computer.

Most users would be hard-pressed to clear their HTTP authentication credentials for a site by any means other than logging out.

Specifies whether the subscription can be synchronized over HTTP or not.

The method returns a string of content from the HTTP response and throws a custom exception in the case of a failure.

Class performs pattern matching using regular expressions to find Web method return values in text encoded in the body of an HTTP response.

Attribute and set its value to the name of the HTTP header that you want to vary the cache content by.

The method above is exemplary of a RESTful request: proper use of HTTP POST and inclusion of the payload in the body of the request.

Http. sys is now capable of caching responses directly within the kernel.

Acegi's filters automatically check the HTTP session object created in step 4 to see whether the requesting client is already authenticated.

Become familiar with Firebug and with the HTTP requests and responses for the transactions of interest.

HTTP: in full Hypertext Transfer Protocol, Standard application-level protocol used for exchanging files on the World Wide Web.

The only assumption I make of the reader is a basic understanding of Java programming and the hypertext transfer protocol (HTTP).

After your update site is created, you must copy the site to a remote HTTP server to which your clients can connect.

Prior to Seam, the only convenient way to have stateful data was to rely on the HTTP session.

In practice, you usually do not need to understand all of the specific HTTPresponse codes.

If you had previously selected HTTP instead of Download Director, then each file would have been presented with a separate download link.

Describes plug-ins, which consist of custom code that you can attach to a Web test or an individual HTTP request within a Web test.

If your client and server are separated by a firewall, you'll want to have your client communicate directly with a servlet through HTTP.

Class with plenty of "set" methods to set each HTTP parameter appropriately, and most of them can be set with simple strings.

The role of this script is to set the webserver-ihs-http-port variable with the value provided in the parameters. xml file.

Following are brief summaries of the results of these studies, offered to highlight the benefits of HTTP compression.

Each route starts with the HTTP method, followed by the URI patte rn. The last element of a route is the Java call definition.

This is one of the primary reasons that many wireless Internet clients do not speak HTTP directly.

Setting the status code causes a string describing the status of the HTTP output to be returned to the client.

It uses HTTP methods and headers, but it overrides the parts of the protocol that manage connections and data transfer formats.

Writes the specified part of a file directly to an HTTP response output stream without buffering it in memory.

We needed to implement a simple transport protocol to address issues that are usually addressed with HTTP or some other transport protocol.

Two-connection limit: Current HTTP client implementation recommends permitting only two connections between a client and a server.

Note also that this scenario leaves a single HTTP server as a single point of failure while the migration is occurring.

The Load Balancer can be used to transparently cluster content servers, including HTTP servers, application servers, and proxy servers.

HTTP, of course, is the basic protocol for getting around the Internet; it allows clients, like browsers, and servers to communicate.

IP aliasing lets you configure an agent so that it appears as though the load is coming from different IP addresses during an HTTP test run.

It creates a JMS bytes message and, if appropriate, inserts the HTTP payload into the body of the bytes message.

Using the REST-based HTTP GET method, the XML proxy will look to see if the request is cached in the simple data grid.

Strictly speaking, REST is a formalization of the basic rules of the HTTP protocol which can be applied to web services.

You are now ready to set up SSL using the IBM HTTP Administration Server.

If you get HTTP 401 errors, review the Microsoft Knowledge Base articles noted at the beginning of this topic.

Now assume that the current HTTP service is replaced with a more sophisticated implementation.

The following code example shows how the Socket class can be used to send data to an HTTP server and receive the response.

The majority of them provide only SOAP over HTTP support a , which is not always an optimal transport for SOA implementation.

The contents of the SSL certificate are returned in the HTTP response body sent back as a result of this GET request.

To see the HTTP headers, just click the arrow to the left of each request to expand it.

At this point the infrastructure needed to handle the SOAP over HTTP message has been established.

The connection string must be a URL that points to the Web service, Web-based application, or XML document available through HTTP.

Input and output files are distributed by data servers , which are HTTP servers able to handle CGI programs with POST commands.

Once it has its grips on the system, it proceeds to create an HTTP server and download malware onto the computer from hacker web sites.

The HTTP module appends a string to the beginning and end of the response.

Like the WWW Service, you register your application with http. sys and begin listening for incoming HTTP requests.

The updater block is a library that you add to your application to manage the download of the application pieces through HTTP.

This approach indicates whether or not the application server is properly listening for HTTP requests (usually on port 9080).

To call HTTP a stateless protocol (see Resources, below), as we conventionally do, means both more and less than is first apparent.

Header at all - in other words, the response must flow back in the HTTP response message.

Question: If I'm developing a Web Services client to talk to Web services through an HTTP server that has basic auth on, how do I do it?

To finish off the tour of the ASP. NET HTTP runtime, let's analyze what happens at the file system level when an ASP. NET page is requested.

Some argue that, because SOAP can take advantage of HTTP extensibility, it does not need to define its own extensibility mechanism.

The HTTP binding has its own handler chain and its own set of message context properties.

HTTP access error 403 (Forbidden) is returned to any browser that attempts to request a configuration file directly.

Like cookies, HTTP authentication credentials can be used to identify a user, with actual state management occurring elsewhere.

For such restrictions can easily break through with an ordinary agent can be a HTTP or SOCKS proxy is also possible.

To avoid writing more sophisticated HTTP support into the engine, we decided to use an SOA approach.

The Receive Request activity expects an HTTP request with a timestamp in the body.

For a number of years, IBM has been shipping the IBM HTTP Server Web server as part of the WebSphere Application Server package.

HTTP cookies are sent back and forth between the client and server on every request, so any data in them could be intercepted.

The bottom line is that our JSON representation is as complete as we need it to be given that we now have an HTTP-oriented solution.

As you might expect, you can plug ERb (or the C-based eruby equivalent), right into the Apache HTTP server and invoke Web pages.

As with all REST-based services, things get rolling with an HTTP request to a designated resource.

The company also has a pay-ware module written in Perl, designed for HTTP compression with both the IIS and Apache Web servers.

For a cluster, the HTTP router will send the client requests to all of the Server elements embedded within the ServerCluster element.

This use of HTTP requests for a publishing and editing protocol is in the spirit of the REST approach to web service interfaces.

All HTTP method invocations are filtered through a customizable handler chain that enables easy manipulation of HTTP requests and responses.

Object that permits downloaded code to connect back to its origin server using the HTTP protocol and the same port it was downloaded on.

Ping the HTTP router URL to see if the Web service is active after the server and the application are started.

With my last few posts on website optimization, one of the larger areas of focus was reducing HTTP requests.

Asynchronous requests for data from the client (one of the neat things about Ajax) to the server require the HTTP protocol.

If you want your flow to make a simple HTTP call, you can use a GET, PUT, or POST activity available in the flow activity palette.

For that, we check the user agent string the browser sends as part of the HTTP request.

The vulnerability is caused due to an error in handling certain malformed HTTP requests and can be exploited to crash the server .

Note that this HTTP request can be sent over SSL.

The secure proxy can only support routing HTTP protocol for a super cluster.

Compile the code for configuring the HTTP module (Example Configuration Code for an HTTP Module) as a console application.

You can create a client-side stub that looks like the business interface and have the stub provide an HTTP layer to the server side.

As Web services are more broadly applied, HTTP level security will need to be replaced by the WS-Security related mechanisms.

Still, Astoria will support other non-database, like LINQ-enabled data sources to be exposed through the HTTP interface.

An example of such a service would be one that sends OTA XML messages over HTTP.

HTTP protection - detecting violations of the HTTP protocol and a locally defined usage policy.

The repository can be a plain HTTP server, an Apache Maven repository, or a Subversion repository, and is referenced via a URL.

I don't want to break backwards-compatibility with HTTP, and there is no better protocol available for the business of doing REST.

As with all REST-based services, things begin with an HTTP request to a designated resource.

As with all REST-based services, things start with an HTTP request to a designated resource.

If intermediate proxy servers are detected, then a highly optimized encrypted streaming connection is used for the downstream HTTP traffic.

Although SOAP is not tied to a specific transport protocol, HTTP has become the early favorite among SOAP adopters.

This section describes HTTP errors that can occur when you attempt to connect to a report server or Report Manager .

HTTP is not the only solution for binding SOAP messages.

At the bottom level, the interface is based on HTTP and tries hard to be RESTful.

This is an example of a case where the message flowing on the HTTP response flow is not the response message the client was waiting for.

Of course, a remote WebSphere eXtreme Scale grid can also be used for HTTP session management, if desired.

To use the APIs, your programming language only has to be able to send and receive XML over HTTP.

This section describes the steps to help you troubleshoot connection problems when you configure an RPC over HTTP connection.

The API calls are organized by passing an API request in the form of XML data sent over HTTP(S) to an advertised single entry point URL.

Set up the company's HTTP protocol for transferring documents.

For servers of types other than HTTP, you could also use other names in place of Web: dns, conch, news, telnet, im, manhole, and others.

This article is targeted to audiences with a basic understanding of protocols over Internet Protocol (IP), particularly HTTP and SIP.

Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and "fiddle" with incoming or outgoing data.

Function to direct HTTP transactions to be performed through a proxy server.

The APIs tell you if active content, such as JavaScript, is included in HTTP request parameters based upon a set of filter rules.

The request handler parses the HTTP_ACCEPT_LANGUAGES request header to get a prioritized list of languages supported by the client.

If the HTTP connection manager points to a Web site, the WSDL file must be copied manually to a local computer.

Check with the administrator of your site to determine the correct HTTP URL for the site.

The response object lets you set HTTP response headers and provides a writer identified with out in the JSP code.

Displays the cookie data available when CHttpRequest: : GetServerVariable is called for the HTTP_COOKIE server variable.

The name of the input fields will be the HTTP parameters of the POST action invoked upon submission of the form.

Encodes the path portion of a URL string for reliable HTTP transmission from the Web server to a client.

The first page load will be significantly slower, as the external file requires an additional HTTP request to be sent to the server.

An even more subtle attack is that any page returned over HTTP can be potentially altered by an intruder -- even URLs embedded in the page.

Storing your HTTP module code in the App_Code directory allows you to easily test the module without pre-compiling the code.

Next, check if the request made includes raw HTTP post data; if it does, return a JSON-encoded response.

As described in the second part of this article, HTTP and SIP sessions are tied together and failover together in a converged application.

Combining inline images into your (cached) stylesheets is a way to reduce HTTP requests and avoid increasing the size of your pages.

Optionally, the type of adapter can be specified if it is something other than the default (TCPIP HTTP).

It may use HTTP as a transport, but it could also use SMTP or other means.

They are often REST-based and therefore require only a simple HTTP access to retrieve the data and parse it using the preceding techniques.