ralabel(1) on Linux
The text e56e8da5b515, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
inserts fixed form or free form metadata labels into argus(8). ralabel supports a number of strategies for labeling including 1) address based, providing free form metadata, country code, geo data and fully qualified domain name (FQDN) labeling; 2)port based, providing free form labels using IANA port definitions, and 3) flow filter, providing free form labels based on argus filter specicfications.