‘::ffff’ only…Tips for identifying unusual network activity
Every now and then, a security team uncovers something only the Internet Engineering Task Force (IETF) can fully explain. During a review of network activity, our team noted unusual outbound web traffic from our network. Our investigation took us from checking a simple IPv6 address to researching the IETF’s Request for Comments. What we found along the way demonstrates why monitoring for anomalous IP addresses is important for every organization.