Tag Archives: sinkhole

DNS Sinkhole with Sourcefire

There is this nice feature with Cisco Firepower called DNS Intelligence. This feature allows us ┬áto have a huge database containing known bad domain names and utilize that database to drop connections to IPs represented by those names. We can … Continue reading

Posted in Cisco, FirePOWER, FireSight, IPS, Security, Sourcefire | Tagged , , , , , , | 2 Comments