Synology router configuration backup file (.dss)

.dss file signature | application/octet-stream

Digital Speech Standard (Olympus, Grundig, & Phillips), v2

Safe

Magic Bytes

Offset 0


              02 64 73 73

Sources: Wikipedia, Gary Kessler

All Known Signatures

3 signature variants are documented for .dss files across multiple sources.

Hex Signature	Offset	Sources
02 64 73 73	0	Wikipedia, Gary Kessler
03 64 73 73	0	Wikipedia, Gary Kessler
1F 8B 08 00	0	Gary Kessler

Extension

.dss

MIME Type

application/octet-stream

Byte Offset

Risk Level

Safe

Validation Code

How to validate .dss files in Python

Python

def is_dss(file_path: str) -> bool:
    """Check if file is a valid DSS by magic bytes."""
    signature = bytes([0x02, 0x64, 0x73, 0x73])
    with open(file_path, "rb") as f:
        return f.read(4) == signature

How to validate .dss files in Node.js

Node.js

function isDSS(buffer: Buffer): boolean {
  const signature = Buffer.from([0x02, 0x64, 0x73, 0x73]);
  return buffer.subarray(0, 4).equals(signature);
}

How to validate .dss files in Go

func IsDSS(data []byte) bool {
    signature := []byte{0x02, 0x64, 0x73, 0x73}
    if len(data) < 4 {
        return false
    }
    return bytes.Equal(data[:4], signature)
}

API Endpoint

GET /api/v1/dss


              curl https://filesignature.org/api/v1/dss

See the full API documentation for all endpoints and parameters.

Frequently Asked Questions

What is a .dss file?

A .dss file is a Synology router configuration backup file file. Digital Speech Standard (Olympus, Grundig, & Phillips), v2

What are the magic bytes for .dss files?

The magic bytes for Synology router configuration backup file files are 02 64 73 73 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.

How do I validate a .dss file?

To validate a .dss file, read the first bytes of the file and compare them against the known magic bytes (02 64 73 73) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.

What is the MIME type for .dss files?

There is no officially registered MIME type for .dss files. Systems typically use application/octet-stream as a generic fallback when handling this format.

Is it safe to open .dss files?

Synology router configuration backup file (.dss) files are generally safe to open. They are classified as low risk because they primarily contain data rather than executable code. However, always ensure files come from a trusted source.