Secure Web Gateway
Terminal Service Plus - Documentation
Prices and offers may vary in store. A Web Portal is a special web site designed to act as a gateway giving convenient access to other related sites. This book investigates the various types of portals and describes how they can be used in business applications. After considering the nature.
Select Parent Grandparent Teacher Kid at heart. Disable password encryption by manually adding the following directive to the CSP. Passwords are stored in CSP. Access to the configuration file should be protected by setting the file owner to be the account from which the Gateway or hosting web server operates. The access mode should be set to In Kerberos-based Authentication and Data Protection, three levels of authentication and data protection are provided through the Connection Security Level parameter. Kerberos with Packet Integrity. This option provides initial authentication and guarantees data packet integrity.
Kerberos with Encryption. This is the highest level of security and provides initial authentication, guaranteed data packet integrity, and, finally, encryption for all transmitted messages.
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To use any of the Kerberos-based modes, the Gateway must be able to load the InterSystems Kerberos client library:. Windows DLL: cconnect. Install the appropriate library in a location specified in the PATH environment variable for the Operating System or at one of the following locations relative to the Gateway installation.
The Gateway attempts to load the library at the time it is first required. If the Gateway is unable to locate or link to the cconnect library, a suitable statement of failure and error message is written to the Event Log. By default, the Gateway expects dependent security libraries shared objects to be installed in its home directory that is, the directory with the Gateway binaries.
Restart the hosting web server after modifying this parameter. Kerberos key tables are not implemented for Windows. Windows domain accounts use a permanent key derived from a password to acquire a Kerberos Ticket Granting Ticket TGT and service ticket for the local machine. The local machine must also have a permanent Kerberos key, shared with the Key Distribution Centre KDC component of the domain controller.
For practical purposes the Gateway, operating within the context of a Windows-based web server is operating through either the Network Service logon session or the System logon session. The account used must have Log on as a batch job rights assigned. The built-in Network Service logon session has access to the machine's credentials and is designed for services that need network credentials to authenticate to other machines.
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However, the Network Service logon session is not always present. For IIS installations, and ISAPI extensions in particular, using the Network Service login session is the preferred means through which both databases local and remote and remote computers should be accessed.
Leave the Username , Password , and Key Table fields empty. The client principal name or client username is that of the Gateway host. This is the Kerberos name representing the Gateway hosts' network service session:. The Gateway configuration is conceptually more straightforward for this system.
Enter the name of the key table file including the full path in the Key Table field. Set the Username field to the name of the appropriate key in the key table file. Leave the Password field empty. This is the name used to identify the key in the Kerberos Key Table. If extra environment variables are required by the application, they must be explicitly requested in the CSP Gateway configuration via the Extra CGI Environment Variables setting in the Application Access section of the configuration. Select Application Access. The list of environment variables transmitted is shown in the table below together with a brief description of each.
Further documentation can be obtained from standard web text books. This variable is available only if Basic authentication is used. Note that the URL is the one that the user typed into the browser address bar, which may not include the name of a default document. The value is a URI identifying the intent.
Otherwise, it is set to 0.
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For performance reasons the Gateway traditionally streams the response headers, together with the following content, directly to the client via the web server. This mode of operation is known as the non-parsed header NPH approach. The Gateway does not grant the hosting web server any control over the response headers by passing them back through the dedicated API functions provided by the server.
- Create an application gateway?
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It is assumed that it is the client that needs to read and interpret the response header directives rather than the web server. However, this assumption breaks down in cases where it necessary for the web server to interpret the response headers in order to invoke further web server-based functionality implied in the header directives generated by CSP.
For example, by invoking output filters to further process the response compression and encryption utilities etc. Such output filters are usually found not to work for CSP content returned according to the nonparsed header mode of operation. A facility exists to instruct the Gateway to explicitly pass the response headers through the hosting web server instead of streaming them directly to the client. When set to false , the default setting for the Gateway is true , the CSP-nph directive ensures that the hosting web server is properly notified as to the nature of the response through the response headers returned from the CSP engine.
As a result, any further processing can be performed as necessary. This is parsed header mode. When the CSP Gateway is operating in parsed header mode, the hosting web server interprets the response headers and perhaps add header directives of its own. At the very least it adds a Server header to the response. Note that this facility only applies to the use of Gateway implementations that work directly to web server APIs. In other words: everything other than CGI.
The nph- prefix used in the name of a CGI module is the standard way of informing the web server that it is not required to read and interpret the response headers returned by the module: in other words operate in non parsed header mode. The essential difference between the parsed and non-parsed versions of these modules lies in the way the HTTP response status line is formulated. This is the first line in the header block. The CGI modules supplied with the Gateway automatically handle these differences internally.
If relative URLs are used for embedded hyperlinks, the browser interprets these as relative to the documentation root directory and not the CSP root. For example, taking our samples menu as the home page, the URL to, say, the inspector option should be:. Select the Documents tab.
Ensure that the Enable Default Document check box is selected. Select Apply and OK to save and activate all changes. It is only necessary to create an empty file. The procedure described in this section is only available with Gateway build The following directive specifies the home page for a Sun server in the default section of obj. This directive, however, does not result in the CSP form menu.
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The reason for this is that the server does not update the environment variables relating to the page requested before transferring control to the CSP Gateway. Netscape-based servers expect NSAPI extensions to accept the responsibility for recognizing this scenario and update the variables identifying the page requested and its path accordingly.
You can work around this behavior as follows:. Define the CSP home page in the default section of obj. The section that describes the mapping between CSP files and the Gateway modules must be modified to include the home-page-path directive as follows:. Find the DirectoryIndex directive in the Apache configuration file.
http://shrineofthemartyrs.com/how-to-install-gps-locate-devices-in-cellphone-iphone-xs.php Compressing the response generated by the CSP engine before dispatching it to the client is advantageous because it can dramatically reduce the network bandwidth required to transport the response to the client. This is particularly true for clients accessing the application through mobile devices over slower telecommunications networks. The advantage of serving compressed response data is particularly marked for CSP pages for which large volumes of response data are generated. Most web servers offer add-on facilities for compressing data.
There are a number of third-party GZIP products available as add-ons for most web servers. The advantages of implementing a compression solution directly in the CSP Gateway are as follows:. The Gateway makes use of the freely available GZIP or zlib library for implementing data compression. The library is freely available for all platforms on which the Gateway is supported.
It is implemented as a DLL for Windows zlib.
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