Are there other bypass methods?

Yes, there are several methods that can be used to bypass server restrictions on file uploads. Some common techniques include:

1. Double Extensions: Using file names like file.php.jpg can sometimes trick the server into accepting the file as an image while still allowing it to be executed as a PHP script.

2. MIME Type Spoofing: Changing the MIME type of the file during upload to match an allowed type (e.g., image/jpeg for a PHP file) can sometimes bypass restrictions.

3. Encoding: Encoding the payload in formats like Base64 and then decoding it on the server side can help bypass certain filters.

4. Null Byte Injection: In some cases, appending a null byte (%00) to the filename can confuse the server into treating the file differently.

5. Using Allowed File Types: Uploading a file with an allowed extension (like .png or .gif) that contains malicious code can also be a method of bypassing restrictions.

Always remember that these methods can be illegal and unethical if used for malicious purposes. Always conduct security testing within legal and ethical boundaries.