Cross Net Debugger - IP Protocol
This page provides IP protocol information on the Cross Net Debugger IP protocol (XNET) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
XNET is Cross Net Debugger, a protocol used in the early ARPANET/Internet to remotely debug and control programs running on other network hosts.
IP Protocol Details
- Name
- Cross Net Debugger
- Abbreviation
- XNET
- Status
- Inactive
- IANA Number
- 15
- IANA Keyword
- XNET
- Network Policy
- Drop
- Reference
- Cross Net Debugger
IP Protocol Status - Inactive
XNET was documented in IEN 158 (1980), and is a historical debugging tool from the pre-TCP/IP-standardization era, no longer in use.
IP Protocol Network Policy
IP protocol #15 - Cross Net Debugger - 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.