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{{Dokumentationsübersicht}}

{{Dokumentationsübersicht}}

===Your Internet Service Provider (ISP)===

===Ihr Internet Service Provider (ISP)===

Your Internet Service Provider or ISP is your connection to the Internet - it routes Internet data packets to and from your server. It also provides other essential services. This section of the user's guide reviews what ISPs offer and what the implications are in choosing among the various options available to you. While your ISP can also assist you in selecting and arranging the right Internet services for your organization, it's important to know the general range of services available, since not all ISPs offer all services.

Ihr Internet Service Provider oder ISP ist Ihre Verbindung in das Internet - er routet Datenpakete von Ihrem Server in das Internet und umgekehrt und stellt auch weitere grundlegende Dienste bereit. Diese Kapitel des Handbuchs beschreibt die verschiedenen Leistungen der ISP's und wie sich die Wahl unterschiedlicher Optionen auswirken. Wenn auch viele ISP's bei der Einrichtung der Internetdienste für Ihre Organisation behilflich sind, es ist ganz sicher wichtig, grundlegende Kenntnisse über die möglichen Dienste zu haben, denn nicht alle ISP's bieten auch alle Dienste an.

{{DrawBoxWarning|content=If you are operating the product in "server-only" mode, you will need to review your gateway/firewall documentation and perhaps consult with your ISP regarding your configuration. For example, depending on your plans for the server, your ISP may need to publish DNS records associating your mail and/or web servers with your firewall IP address. You may also need to configure your firewall for port forwarding of services.<br />

{{DrawBoxWarning|content=Falls Sie Ihren SME Server im Nur Server-Modus betreiben, benötigen Sie die Dokumentation Ihres Geateway/Firewall-Systems und sollten vielleicht die Konfiguration mit Ihrem ISP abstimmen. Beispielsweise müßte Ihr ISP DNS Einträge für Ihren Mail- bzw. Webserver mit Ihrer Firewall-IP-Adresse veröffentlichen. Außerdem müßten Sie dann Ihre Firewall mit Portweiterleitungen für die benötigten Dienste konfigurieren.<br />

In server-only mode, the single Ethernet connection to the local network is "trusted" as being secure and packet filtering is disabled. For that reason, a server-only server must always be behind a local firewall. You should not directly connect such a system to the Internet via an Internet Service Provider.}}

Der Nur Server-Modus benötigt nur eine einzelne "vertrauliche" Ethernetverbindung innerhalb des lokalen abgesicherten Netzwerks, wobei die Firewallfunktionen ausgeschaltet sind. Deshalb muss ein Server, der im Nur Server-Modus betrieben wird, immer hinter einer lokalen Firewall stehen. Solch ein System darf niemals direkt mit dem Internet verbunden werden.}}

 

 

If you have dialup connectivity, your server is not permanently connected to the Internet. Rather, it connects to your ISP over a phone line using a modem or ISDN adapter . Because your connection to the Internet is not permanent, some of the services on your server cannot be provided to the outside world. For example, having your server host your external company web site would create a problem because whenever your server was not connected to the Internet, the web site would not be available. (However, it could certainly host an intranet web site because the local network would always be connected.)

If you have dialup connectivity, your server is not permanently connected to the Internet. Rather, it connects to your ISP over a phone line using a modem or ISDN adapter . Because your connection to the Internet is not permanent, some of the services on your server cannot be provided to the outside world. For example, having your server host your external company web site would create a problem because whenever your server was not connected to the Internet, the web site would not be available. (However, it could certainly host an intranet web site because the local network would always be connected.)