ERROR_IPSEC_DOSP_INVALID_PACKET - 13927 (0x3667)

IPsec DoS Protection received an incorrectly formatted packet.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_IPSEC_DOSP_INVALID_PACKET error indicates that the IPsec DoS (Denial of Service) Protection subsystem encountered a packet that did not conform to expected formatting or structure. This error is typically generated by the IPsec stack when it detects an issue with incoming packets.

Error Details

This specific error code, 13927 (0x3667 in hexadecimal), signifies that the IPsec DoS Protection mechanism has identified a packet as invalid due to improper formatting. This could be caused by various factors such as malformed headers, incorrect protocol usage, or other anomalies.

Usage Context

This error is relevant within the context of network security and specifically pertains to the IPsec stack's operation in protecting against DoS attacks. It can occur when packets are received that do not adhere to the expected standards set by the IPsec protocols.

Developer Interpretation

Developers should interpret this error as an indication that a packet has failed validation checks performed by the IPsec stack. This could be due to issues with the packet's structure, content, or adherence to the defined security policies. Developers may need to review and adjust their network traffic handling logic to ensure compliance with expected standards.

Related Errors

  • ERROR_IPSEC_KEY_USAGE_MISMATCH (0x80245013): Indicates a mismatch in key usage between packets.
  • ERROR_IPSEC_PROCESSING_FAILURE (0x80245017): General error indicating failure during IPsec processing.

FAQ

Q: What does the ERROR_IPSEC_DOSP_INVALID_PACKET mean?

A: It indicates that an incorrectly formatted packet was detected by the IPsec DoS Protection subsystem. This could be due to malformed headers, incorrect protocol usage, or other anomalies.

Q: How can I troubleshoot this error?

A: Review network traffic and ensure packets are correctly formatted according to the expected standards. Check for any misconfigurations in security policies and validate that all components of your network infrastructure are functioning as intended.

Summary

The ERROR_IPSEC_DOSP_INVALID_PACKET is a specific error code indicating an issue with packet validation by the IPsec DoS Protection subsystem. Developers should focus on ensuring compliance with expected standards to avoid this error and maintain robust network security.