'Heartbeat message' presentation slideshows

INSIGHT: Internet-Sensor Integration for Habitat Monitoring

INSIGHT: Internet-Sensor Integration for Habitat Monitoring. Murat Demirbas Ken Yian Chow Chieh Shyan Wan University at Buffalo, SUNY. WSN for monitoring. A sensor node (Tmote) CC2420 Radio compliant with IEEE 802.15.4 and is Zigbee ready

328 views • 22 slides

Design of a Fault-Tolerant Link Establishment Protocol

Design of a Fault-Tolerant Link Establishment Protocol. Stephen Horan and Giriprassad Deivasigamani Telemetering Center Klipsch School of Electrical and Computer Engineering New Mexico State University Las Cruces, NM 88003-8001.

277 views • 18 slides

Metadata: Tracking and Encryption

214 views • 13 slides

Open SSL Heartbleed bug

RFC6520 defines SSL Heartbeats - What are they? 1. SSL Heartbeats are used to keep a connection alive without the need to constantly renegotiate the SSL session. 2. Used in MTU path discovery Why is this a problem? Heartbeat requests can be sent WITHOUT authentication to the server.

328 views • 12 slides