RFC 863 defines the Discard Protocol for the ARPA Internet community, which serves as a debugging and measurement tool by discarding any data received without responding. It specifies both a TCP-based discard service on port 9 and a UDP-based service, where data is simply thrown away upon receipt.

The Traffic Light Protocol (TLP) is a standardized framework developed by FIRST for the sharing of sensitive information, utilizing four distinct labels (RED, AMBER, GREEN, CLEAR) to indicate sharing boundaries among recipients. It aims to facilitate effective collaboration while ensuring that the information is handled appropriately according to the designated TLP label. The protocol emphasizes ease of use, clarity in communication, and the responsibility of the source to enforce sharing guidelines.