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• Admin's Little Helpers

  Smartphones and tablets have lost their gadget status and become part of the system administrator's tool kit. We look at the most important apps for admins.

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• Introduction

  The move from IPv4 to IPv6 must be gradual rather than abrupt. After just two minutes of configuration work, Charly leans back and watches his first IPv6 packets pass through a Miredo tunnel.

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• Mesh Networking

  Mesh networking comes to with the IEEE802.11s draft standard. We'll show you how to mix a mesh.

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• OpenVPN

  Firewalls sometimes prohibit everything but everyday surfing, leaving users with no hope of running IRC or streaming servers through the firewall, unless they use a virtual private networking tool like OpenVPN.

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• Peer-to-Peer VPNs

  People wanting to encrypt the network traffic sent over public lines usually use either IPsec, SSL via port 443, or OpenVPN. We look at four alternative tunnel builders that promise VPN using the peer-to-peer method.

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