Moxa Technologies MC-4510-C23 Instrukcja Użytkownika Pobierz pdf (Strona 7)

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Industrial Computing >

Rugged Computers

Industrial Computing

18-7

Middleware

VPN Middleware

Operating Systems

Moxa’s x86 and RISC-based embedded computers offer a powerful computing

environment and stable system for a variety of industrial applications. These

computers use either a Linux or Windows (CE and XPe) embedded operating system

to provide programmers around the world with a user-friendly environment for

application development, and help reduce the effort required for system integration.

Moxa is continually on the lookout for real-time operating systems that are suitable

for mission critical applications.

Moxa offers a variety of middleware to help you easily integrate these application modules into

your system. This is essential for leveraging the key features of these modules and reducing the

effort required for application development.

VPN

The VPN (OpenVPN, L2TP, and IPSec) middleware makes it easy for user applications to create

secure tunnels between communication parties.

Firewall

The firewall (iptable) middleware protects enterprise information from un-friendly access.

Database

The database system (MySQL and MSSQL) middleware can be used to manage eld-data

acquisition, with web services (Web, PHP, ASP) included to give programmers an integration

framework for building Internet accessible eld applications, such as WebSCADA.

Virtual Private Network (VPN)

A Virtual Private Network (VPN) allows the provisioning of private

network services for an organization or organizations over a public

infrastructure, such as the Internet, instead of with physical wires. The

network is said to be “virtual” because it links two “physical” networks

(local area networks) using an unreliable connection (the Internet),

and “private” because only computers that belong to a local area

network on either end of the VPN can “see” the data. The technologies

introduced today are applied to IP-based VPNs rather than frame relay

or ATM networks.

OpenVPN

OpenVPN is one of the virtual private network (VPN) solutions that

establish secure tunnels between host computers. Two networking

techniques are supported by OpenVPN: Ethernet bridging and IP

routing. Moxa provides a ready-to-run OpenVPN middleware to enable

Moxa embedded computers to be used as OpenVPN gateways with IP

routing capability.

IPsec Protocol

Internet Protocol Security (IPsec) is a suite of protocols for securing

Internet Protocol (IP) communications by authenticating and/or

encrypting each IP packet in a data stream. IPsec protocols provide

a set of security services to create secure channels between a pair of

security gateways, such as a router or a rewall. Since IPsec provides

reliable encryption, integrity, authentication, and replay protection,

adding IPsec to Moxa’s embedded computers helps prevent threats

from intruders.

Openswan

Openswan is an implementation of Internet Protocol Security (IPsec)

for Linux platforms. Moxa provides Openswan conguration examples

for integrators who want to use RSA (Asymmetric key cryptography)

and PSK (Symmetric key cryptography) authentication algorithms

to create host-to-host, subnet-to-subnet, or host-to-subnet IPsec

connections.

Unbeatable middleware for integrating application modules into proprietary systems

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