AOL client preferences/settings file
application/octet-stream
Magic Bytes
Offset: 0
41 4F 4C 49 4E 44 45 58
The AOL Client Preferences file is a proprietary data format developed by America Online for use within its legacy desktop internet access software. It functions primarily to store user-specific configuration settings, indexing information, and organizing data for the Personal Filing Cabinet (PFC) feature. Because the associated client software is now obsolete, this file type is considered a legacy format and presents no significant security threats to contemporary systems.
Validation Code
How to validate .ind files in Python
Python
def is_ind(file_path: str) -> bool:
"""Check if file is a valid IND by magic bytes."""
signature = bytes([0x41, 0x4F, 0x4C, 0x49, 0x4E, 0x44, 0x45, 0x58])
with open(file_path, "rb") as f:
return f.read(8) == signatureHow to validate .ind files in Node.js
Node.js
function isIND(buffer: Buffer): boolean {
const signature = Buffer.from([0x41, 0x4F, 0x4C, 0x49, 0x4E, 0x44, 0x45, 0x58]);
return buffer.subarray(0, 8).equals(signature);
}
Go
func IsIND(data []byte) bool {
signature := []byte{0x41, 0x4F, 0x4C, 0x49, 0x4E, 0x44, 0x45, 0x58}
if len(data) < 8 {
return false
}
return bytes.Equal(data[:8], signature)
}API Endpoint
GET
/api/v1/ind
curl https://filesignature.org/api/v1/ind