VPN establishment between Hirschmann Eagle20 and Cisco router (2811)

The purpose of VPN is to secure the confidentiality of the communication between two sites by using encryption. Two tunnels are set up, the first tunnel is for Diffie Hellman key exchange, the second tunnel is for data transmission either in transport or tunnel mode. Transport mode in addition to what tunnel mode is doing … Continue reading VPN establishment between Hirschmann Eagle20 and Cisco router (2811)

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An introduction to Hirschmann Eagle20 Firewall

Hirschmann Hirschmann is a Germany brand that specialized in manufacturing layer2/layer3 switches, access points and firewall for industrial network. It is merged with Belden and becomes a Belden brand. Industrial ethernet is robust and has to be certified to be operable under harsh environment. Ruggedized not in appearance but with certification that proves the credibility. … Continue reading An introduction to Hirschmann Eagle20 Firewall