User manual

KVM over IP Module
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4. Usage
4.1 Prerequisites
The IP-KVM features an embedded operating system and applications offering a variety of
standardized interfaces. This chapter will describe both these interfaces, and the way to use them in
a more detailed manner. The interfaces are accessed using the TCP/IP protocol family, thus they
can be accessed using the LAN port of the device.
The following interfaces are supported:
■ HTTP/HTTPS
Full access is provided by the embedded web server. The IP-KVM environment can be
entirely managed using a standard web browser. You can access the IP-KVM using the
insecure HTTP protocol, or using the encrypted HTTPS protocol. Whenever possible, use
HTTPS.
■ Telnet
A standard Telnet client can be used to access an arbitrary device connected to the
IP-KVM's serial port via a terminal mode.
The primary interface of the IP-KVM is the HTTP interface. This is covered extensively in this
chapter. Other interfaces are addressed in subtopics.
In order to use the Remote Console window of your managed host system, the browser has to
come with a Java Runtime Environment version 1.4.2 or above. If the browser has no Java support
(such as on a small handheld device), you are still able to maintain your IP-KVM using the
administration forms displayed by the browser itself.
For secure connection to the IP-KVM, we recommend the following browsers versions:
■ Microsoft Internet Explorer version 6.0 or higher
■ Netscape Navigator 7.0 or Mozilla 1.6 or higher
In order to access the remote host system using a securely encrypted connection, you need a
browser that supports the HTTPS protocol. Strong security is only assured by using a key length of
128 Bit. Some of the old browsers do not have a strong 128 Bit encryption algorithm.
Using the Internet Explorer, open the menu entry “?” and “Info” to read about the key length that is
currently activated. The dialog box contains a link that leads you to information on how to upgrade
your browser to a state of the art encryption scheme. Figure below shows the dialog box presented
by the Internet Explorer 6.0.