Windows Server
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After installing security update MS11-100, ASP.NET forms with more than 1000 fields fail. Increase aspnet:MaxHttpCollectionKeys to fix it.
Windows Server
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Learn how to use .htaccess in Windows Server IIS. Before IIS 7 and the URL Rewrite module, you had to rely on third party extensions to IIS for URL rewriting with .htaccess files.
Windows Server
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Learn how to start all stopped application pools with VBScript and ADSI in IIS 6.0, by querying the Metabase for AppPool objects and their state.
Windows Server
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How to fix the WCF error "This collection already contains an address with scheme http" for services on multiple IIS bindings, in .NET 3.5 and 4.x.
Web applications
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By using the Cache.php class of the Zend Framework, you can relatively easily cache MySQL query results to disk for faster consecutive results.
Windows Server
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Learn how to resolve the Failed Request Tracing (FREB) error LOG_FILE_MAX_SIZE_TRUNCATE in IIS by increasing the maximum log file size with AppCmd.
GNU/Linux
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Here is a Linux Bash shell script to check whether an IP address is listed in a DNSBL blacklist, or RBL. Using this script in Bash you can quickly test if an IP address is blacklisted.
Windows Server
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When you host your PHP website on Windows Server IIS, you may receive an "No input file specified" error message, when a HTTP request is made to non-existing .php files. When this happens you probably have no Request Restrictions configured in IIS PHP handler settings. Here is how to fix the "no input file specified error" with PHP and IIS.
Web applications
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.htaccess to secure your website: 7 snippets to secure your website using .htaccess files as a kind of Web Application Firewall (WAF).
Web applications
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It's possible to restrict System.Net.SocketPermission, for example, for an external MySQL connection. Here is your "Granting limited SocketPermission in ASP.NET 2.0 medium trust" how-to.
Windows Server
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Adsutil.vbs is a versatile and useful tool to administer IIS 6.0 servers. But did you know there is a remote server command-line parameter? With this you can use Adsutil.vbs remotely.
Windows Server
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"The filename, directory name, or volume label syntax is incorrect"? Here's how to delete such files using the \\?\ prefix in Windows.
Windows Server
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The "SendUsing" configuration value is invalid is an error message indicating an issue with IIS SMTP Service configuration. Here is how to resolve this issue.
Windows Server
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"The run-time environment has detected an inconsistency in its internal state" COM+ errors in IIS 6.0 may be caused by desktop heap exhaustion.
Windows Server
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If "The tracking (workstation) service is not running" error is displayed after an iisreset, here is how to fix that.