Here is the translation of your text into English:
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1. **How to make an ASP script run with System privileges?**
Modify the virtual directory corresponding to your ASP script and change "Application Protection" to "Low"...
2. **How to prevent ASP Trojans?**
- **ASP Trojan based on FileSystemObject component**
```bash
cacls %systemroot%\system32\scrrun.dll /e /d guests // Prohibit guests from using
regsvr32 scrrun.dll /u /s // Unregister (delete)
```
- **ASP Trojan based on Shell.Application component**
```bash
cacls %systemroot%\system32\shell32.dll /e /d guests // Prohibit guests from using
regsvr32 shell32.dll /u /s // Unregister (delete)
```
3. **How to encrypt ASP files?**
Download `sce10chs.exe` for free from Microsoft, run it directly to complete the installation process.
After installation, the `screnc.exe` file will be generated. This is a command-line tool that runs in the DOS PROMAPT.
Run the following command:
```bash
screnc -l vbscript source.asp destination.asp
```
A new file `destination.asp` containing encrypted ASP scripts will be generated. When opened in Notepad, everything within quotes (`""`) will be transformed into unreadable ciphertext, regardless of whether it is commented or not.
However, Chinese characters cannot be encrypted.
4. **How to extract UrlScan from IISLockdown?**
Run the following command:
```bash
iislockd.exe /q /c /t:c:\urlscan
```
5. **How to prevent the Content-Location header from exposing the internal IP address of the web server?**
Execute the following command:
```bash
cscript c:\inetpub\adminscripts\adsutil.vbs set w3svc/UseHostName True
```
Finally, restart IIS.
6. **How to resolve HTTP 500 Internal Server Error?**
Most causes of IIS HTTP 500 internal errors are due to...
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(Note: The last part about the cause of HTTP 500 errors seems incomplete in the original text, so it remains as-is.)