Bulk Data Transfer Protocol

This page provides IP protocol information on the Bulk Data Transfer Protocol (NETBLT) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

NETBLT is the Bulk Data Transfer Protocol, designed to move large volumes of data efficiently across networks with high bandwidth-delay products.

IP Protocol Details

Name
Bulk Data Transfer Protocol
Abbreviation
NETBLT
Status
Inactive
IANA Number
30
IANA Keyword
NETBLT
Network Policy
Drop

IP Protocol Status - Inactive

NETBLT was standardized in RFC 998/969 in the late 1980s as a TCP alternative for bulk transfer, and was experimental and never widely deployed.

IP Protocol Network Policy

IP protocol #30 - Bulk Data Transfer Protocol - is typically dropped by edge routers and firewalls. Advanced threat actors and malware families can use these non-standard IP protocol numbers for lateral movement (east-west communication) inside internal networks.