Proxie 2 4 1 – Http Debugging Proxy Browser

This chapter describes the plug-ins provided by Oracle for use with WebLogic Server:

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What are Oracle WebLogic Server Proxy Plug-Ins?

Web server plug-ins allow requests to be proxied from Oracle HTTP Server, Apache HTTP Server, or Microsoft Internet Information Server (IIS) to Oracle WebLogic Server. In this way, plug-ins enable the HTTP server to communicate with applications deployed on the WebLogic Server.

The plug-in enhances an HTTP server installation by allowing Oracle WebLogic Server to handle requests that require dynamic functionality. In other words, you typically use a plug-in where the HTTP server serves static pages such as HTML pages, while Oracle WebLogic Server serves dynamic pages such as HTTP Servlets and Java Server Pages (JSPs).

Oracle WebLogic Server may be operating in a different process, possibly on a different host. To the end user—the browser—the HTTP requests delegated to Oracle WebLogic Server still appear to be coming from the HTTP server. Postico 1 3 – a modern postgresql clients.

In addition, the HTTP-tunneling facility of the WebLogic client/server protocol also operates through the plug-in, providing access to all Oracle WebLogic Server services.

Connection Pooling and Keep-Alive

The plug-ins improve performance using a pool of connections from the plug-in to Oracle WebLogic Server. The plug-in implements HTTP 1.1 keep-alive connections between the plug-in and Oracle WebLogic Server by reusing the same connection for subsequent requests from the same plug-ins. If the connection is inactive for more than 20 seconds, (or a user-defined amount of time), the connection is closed. See KeepAliveEnabled.

Proxying Requests

The plug-in proxies requests to Oracle WebLogic Server based on a configuration that you specify.

• You can proxy requests based on the URL of the request or a portion of the URL. This is called proxying by path.

• You can also proxy a request based on the MIME type of the requested file, which is called proxying by file extension.

You can also enable both methods. If you enable both methods and a request matches both criteria, the request is proxied by path.

You can also specify additional parameters for each of these types of requests that define additional behavior of the plug-in.

Availability of Oracle WebLogic Server Proxy Plug-In

Oracle WebLogic Server proxy plug-ins are available for the following web servers:

Table 1-1 Availability of Version 12c (12.2.1.4.0) Plug-Ins

Upgrading from 1.0 Plug-Ins

The version 1.0 plug-ins have been deprecated, and were only supported with old Apache HTTP Server versions that are no longer supported by Apache. Therefore, the version 1.0 plug-ins are not supported with Oracle WebLogic Server 12.2.1.4.0. The version 12.2.1.4.0 plug-ins are the recommended replacement.

Proxying Requests

The plug-in proxies requests to Oracle WebLogic Server based on a configuration that you specify.

• You can proxy requests based on the URL of the request or a portion of the URL. This is called proxying by path.

• You can also proxy a request based on the MIME type of the requested file, which is called proxying by file extension.

You can also enable both methods. If you enable both methods and a request matches both criteria, the request is proxied by path.

You can also specify additional parameters for each of these types of requests that define additional behavior of the plug-in.

Availability of Oracle WebLogic Server Proxy Plug-In

Oracle WebLogic Server proxy plug-ins are available for the following web servers:

Table 1-1 Availability of Version 12c (12.2.1.4.0) Plug-Ins

Upgrading from 1.0 Plug-Ins

The version 1.0 plug-ins have been deprecated, and were only supported with old Apache HTTP Server versions that are no longer supported by Apache. Therefore, the version 1.0 plug-ins are not supported with Oracle WebLogic Server 12.2.1.4.0. The version 12.2.1.4.0 plug-ins are the recommended replacement.

This section contains the following information:

Upgrade Instructions

For upgrading from 11g plug-ins to the Oracle WebLogic Server Proxy Plug-Ins 12c (12.2.1.4.0), use installation instructions included in the specific chapter for your web server, as listed in Table 1-2.

Table 1-2 Upgrade Instructions by Plug-In

Considerations for Upgrading From Oracle WebLogic Server Proxy Plug-Ins Version 1.0 to 12.2.1.4.0

The version 12c (12.2.1.4.0) plug-ins are a superset of the version 1.0 plug-ins and support the existing features. However, when you upgrade, keep the following considerations in mind:

• The list of supported platforms has changed. See Oracle Fusion Middleware Supported System Configurations at:

• Because the version 1.0 plug-ins supported both 40 and 128-bit encryption standards, the plug-in file names needed to identify which standard was supported. For example, mod_wl_22.so indicated 40-bit encryption and mod_wl128_22.so indicated 128-bit encryption. However, the version 12.2.1.4.0 plug-ins support only 128-bit encryption, and the plug-in names are now simplified. To use the 12.2.1.4.0 plug-in, mod_wl_24.so is the only filename required.

  Note:

  If you upgrade from the 1.0 plug-ins and had been using 128-bit encryption, you must change your configuration file to reflect the new naming convention. For example, you must change mod_wl128_22.so to mod_wl_24.so.

Features of the Version 12.2.1.4.0 Plug-Ins

This section describes the additional features of the version 12c (12.2.1.4.0) plug-ins.

Oracle WebLogic Server Proxy Monitoring

The current release adds support for monitoring the performance of the Oracle HTTP Server. The performance metrics are specific to the Oracle WebLogic Server Proxy Plug-In where a request is proxied to the backend WebLogic server. See Understanding Oracle WebLogic Server Proxy Plug-In Performance Metrics.

Support for Multitenancy and Partitions

Oracle WebLogic Server Proxy Plug-Ins can be made partition-aware. This plays a role in support of Oracle WebLogic Server MT (multitenancy). See Working with Partitions.

Note:

Documentation for Using the Plug-In with Microsoft Internet Information Server

Instructions have been added to use Oracle WebLogic Server Proxy Plug-Ins with Microsoft Internet Information Server on Windows client OS and Windows server OS. See Installing and Configuring the Plug-In for Microsoft Internet Information Server.

Deprecated Support for Certificates Signed Using the MD5 Algorithm

Support for certificates signed with MD5 is deprecated. See Replacing Certificates Signed Using the MD5 Algorithm.

Oracle WebLogic Server Proxy Plug-In Not Supported for Oracle iPlanet Web Server

From 12.2.1.4.0 onwards, Oracle WebLogic Server proxy plug-in is not supported for Oracle iPlanet Web Server.

Support and Patching

When you encounter issues with a plug-in, always report the version of the plug-in you are using. You can find this information in the Apache log or the plug-in debug log (if configured). The version information looks like the following snippet:

WebLogic Server Plug-in version 12.2.1.4.0

Note:

On the Apache Web Server for Linux, you can also obtain the plug-in version by issuing the following command:

A patch for a plug-in typically will contain one or more shared objects to be replaced. Ensure to backup your original files as you replace them with those in the patch. Validate that the patch has been correctly updated by checking the version string in the logs.

Connect to a proxy server to run the current macro. The iMacros Browser then connects to the Internet through a proxy server by using the settings you specify. You can define a specific proxy server for each macro. Each running instance of the iMacros Browser can have its own proxy server. The proxy setting remains in effect until you specify a different proxy or restart the browser.

If you have proxy server settings defined in the Internet Explorer settings then you will not need to use a PROXY command since iMacros automatically applies the Internet Explorer settings.

Syntax

Parameters

• ADDRESS

  The URL and port of the proxy server. You can define separate proxy servers for http and https connections (see the example below).

• BYPASS

  The URLs for which the Proxy server is not to be used. If you want to connect to a computer on your intranet make sure you include its address here (see the example below). If no BYPASS is specified then the default setting is used, which means no proxy server is used for local addresses inside your network. In Internet Explorer, you may use the wildcard *.

• Firefox: There are three differences compared to the iMacros/IE syntax:
  • The setting is profile-wide, so if you have two macros running on one Firefox profile simultaneously then both of them will be affected by PROXY command in one macro. If you need to run Firefox instances with a different proxy server for each one, use the iimInit ('-fx -fxProfile ') method to launch each instance with its own profile.
  • Double 'http=. https=.' parameter in ADDRESS is not possible, however it is possible to use two subsequent PROXY commands. One for http and one https.
  • In Firefox, the wildcard is not supported and required for the bypass settings. Example: In IE you use *.imacros.net and in Firefox simply '.imacros.net',

Notes

1. This command is also available in legacy iMacros for Firefox (9.0.3 and older)

Examples

The following command uses a local proxy server for both http and https at the address 192.1.8.1 and the port number 8080. Since no bypass is specified the default settings are used.

This command specifies two different proxy server for the http and https protocol. Defines no bypass so iMacros uses these proxy servers even for local addresses.

To use a proxy server at address 66.98.229.110, but not for URLs including the word 'imacros' use

Proxy 2 4 1 – Http Debugging Proxy Browser Chrome

You can also use the same command, but with URL instead of IP address.

To enter a list of addresses to bypass, enter one after each other separated by a blank space.

Test Proxy

Do you need a local proxy to test iMacros? Or want to use iMacros with a local proxy to debug your website? We recommend the Fiddler tool. It is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet - and it can be set to work as local proxy (port 8888 is default).

=> Redirects all traffic to flow through Fiddler. The PROXY command is not a global setting, so only the macro with the PROXY command is affected.

See Also

Proxy 2 4 1 – Http Debugging Proxy Browser Google Chrome