how to generate barcode in asp.net c# Lesson 1 in Visual C#.NET

Print Denso QR Bar Code in Visual C#.NET Lesson 1

Lesson 1
QR Code JIS X 0510 Encoder In Visual C#.NET
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QR Code Reader In Visual C#.NET
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Designing IIS Security Baselines
Creating Bar Code In C#.NET
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Decoding Barcode In C#.NET
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13-9
Encoding QR Code JIS X 0510 In Visual Studio .NET
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Quick Response Code Drawer In Visual Studio .NET
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World Wide Web Service Provides basic Web services, such as static and dynamic Web pages. This feature must be enabled or all components will be disabled.
Quick Response Code Creator In Visual Basic .NET
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Draw GTIN - 13 In C#.NET
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After installation, you might need to perform additional configuration that can further restrict the use or functioning of the services. Enable Only Necessary Components The business needs of the organization will dic tate the Web applications that will run on the server. In an ideal world, the security designer will be called upon to assist in the application design to ensure that the best choices are made at that time to support security. If this is not the case, the designer s job is to minimize exposure while supporting the applications. Enable Essential Web Service Extensions By default, only static Web pages can be used. To provide support for dynamic Web pages and other Web services, additional services and extensions must be added, such as Active Server Pages, ASP.NET, FrontPage Server Extension, WebDAV, Internet Server API (ISAPI) Extensions, and so forth. Do not change the status of All Unknown ISAPI Extensions to Allowed. (See Figure 13-1.) This creates a security risk because many ISAPI extensions are created to extend Web services and are not reviewed for security vulnerabilities. Requiring review and approval for the use of an ISAPI extension is a sound security practice and assists in the effort to reduce the attack surface. This is an issue over which people primarily con cerned with business needs can butt heads with those primarily concerned with secu rity. It is relatively easy to write or locate an ISAPI extension that provides some extra service or function. It is a lot harder to write or review for security the ISAPI extension. Providing a review process can help ensure that the business needs and the security requirements are both considered.
UPCA Generation In C#.NET
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Draw QR In Visual C#.NET
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Figure 13-1 Keeping the All Unknown ISAPI Extensions as Prohibited
Code 128 Code Set A Creation In Visual C#
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Make USS Codabar In C#
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13-10
EAN13 Encoder In None
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Code39 Maker In .NET Framework
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13
GS1 DataBar Drawer In Java
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EAN 128 Creation In VS .NET
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Designing Security for IIS
GS1 - 13 Encoder In .NET
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Making EAN-13 Supplement 5 In VS .NET
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Enable Only Essential MIME Types A number of MIME types commonly in use on Web servers are approved for use by default. Approval of these MIME types simply allows well-known data formats to be used in Web page and application development. Should additional MIME types be necessary, you can add them. But do not add types that are unnecessary. Removal of MIME types to restrict usage to those approved on the Web site is also easy to do using the interface (as shown in Figure 13-2).
Generating GS1-128 In VB.NET
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Bar Code Generation In Objective-C
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Figure 13-2 Adding and removing MIME types as required
Use Web-Specific User Roles Appropriately Web sites and applications support spe cial user roles. Understanding these roles and limiting them to only the access and permissions that they require is important to the security of the Web server, Web sites, and applications. These roles include the following:
Anonymous access account In a default installation, the IUSR_computername account (where computername is the name of the server on which the Web server is installed) is created. Its purpose is to provide and control anonymous access to the Web site. When a visitor accesses a Web page, the anonymous account is used and the visitor does not have to log in. You can control the visitor s access to the Web server, site, and application by setting NTFS permissions. If an organization provides a public Web site, anonymous access is usually required. However, that does not mean sensitive folders and files on the Web server must be available to anonymous access. Protect files via Web permissions and NTFS permissions, and require authentication to access them. IWAM_computername This is an account provided for compatibility with IIS 5.0. It is possible to run the Web server in IIS isolation mode instead of the worker process isolation mode provided in IIS 6.0. When applications are run in IIS isola tion mode, they are run in the context of the highly privileged local system
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