suricata-update add-source <name> <url>The add-source adds a source to the set of enabled sources by URL. It is useful to add a source that is not provided in the index.
--http-header "Header: Value"
Add an additional HTTP header to requests for this rule source such as a custom API key. Example:
add-source --http-header "X-API-Key: 1234"--no-checksum
Skips downloading the checksum URL for the rule source.