Saves a bit of bandwidth.
If you are running Suricata, you can use the SSLBL's Suricata JA3 FingerprintRuleset to detect and/or block malicious SSL connections in your network based on the JA3 fingerprint. Please note that your need Suricata 4.1.0 or newer in order to use the JA3 fingerprint ruleset.
vendor: Abuse.ch
license: CC0-1.0
- url: https://sslbl.abuse.ch/blacklist/ja3_fingerprints.rules
+ url: https://sslbl.abuse.ch/blacklist/ja3_fingerprints.tar.gz
min-version: 4.1.0
checksum: false