ActiveViewer-UserGuide.pdf

http://www.simeda.com/activeviewer/

INTRODUCTION

ActiveViewer is the first application that allows users to control

their home and office computers remotely using a Java-enabled

cellular phone or PDA.

With ActiveViewer , any software application becomes available for

mobile phone users, no matter if they run Windows, UNIX or

Macintosh environments. ActiveViewer is the first port of a VNC

client for devices supporting Java MIDP platform. While WAP and

other mobile Internet browsing systems are limited, ActiveViewer

brings major advantages to its users, allowing them to take

advantage of all the resources available on the host systems

(network connections, processing power, storage space, etc.).

The viewer allows control over desktops of any size, making sure

that only the area actually displayed on the screen is requested

from the server. It accepts a variety of input methods, such as the

phone's numeric keyboard, software keyboard or touchscreen.

ActiveViewer uses the popular VNC protocol

( http://www.uk.research.att.com/vnc ).

Computers located behind firewalls can easily be controlled using a

proxy running as a standalone Java application. For additional

security, all traffic going through the proxy is encrypted (using

DES).

Supported terminals: Any MIDP device. Tested on Nokia 6310i,

Nokia 7650, Motorola Accompli 008, Motorola i85s, Siemens SL45i,

Palm PDA. Proxy application requires a Java Runtime Environment.

Supports both TCP/IP socket capable and HTTP-only devices.

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STARTING THE APPLICATION

Before you start ActiveViewer, make sure you have installed and

started your VNC server. You can download the latest version from

http://www.uk.research.att.com/vnc/ . Follow the instructions on

their website in order to properly configure the server for your

specific operating system.

You will need to know if your VNC server is behind a firewall that

does not allow incoming connections on ports 5900 and over (used

by VNC) and if your MIDP device (phone or PDA) supports only the

HTTP protocol. If the answer to any of these questions is YES, follow

the instructions for the "proxied" version, described below.

Otherwise use the "normal" version.

NORMAL STARTUP (non-proxied)

Immediately after starting the application, you will see the

connection information form. Enter the IP or hostname of the

machine you want to connect to, the display number (usually 0) and

the password.

Since you're using the non-proxied version, choose "NO" from the

"Use proxy" dropdown and select "Connect". This will initiate a

direct TCP connection from your device to the VNC server.

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PROXIED STARTUP

To use this version, you need to obtain two proxy accounts from us:

one for your MIDP phone and another one for the server. You can

apply for these accounts by sending an email to

proxy_request@simeda.com .

We will create the accounts for you and send you the usernames

and the passwords.

The usernames look like this: you@yourcompany.com-client for

your device and you@yourcompany.com-server for your server (at

this time we will not issue more than 2 accounts/email address).

In order to use the proxied version, some changes need to be made

to the Windows registry in order to allow loopback connections. To

do this, download and execute ActiveViewer.reg

( http://www.simeda.com/downloads/ActiveViewer.reg ).

On your phone, in the "Hostname" field enter the IP address of your

VNC server (as seen from the proxy machine). If the VNC server

resides on the same machine as the proxy component, use

"localhost" (127.0.0.1).

Note: if your VNC server is behind a firewall and uses private IP

space (like 192.168.x.y, or 10.x.y.z) you need to enter that IP

address in the "Hostname" field. You should not enter the IP

address of your router or proxy server.

In the "Display" field, enter the display used by your VNC server

(normally 0).

In the "Connect to username (via proxy)" field, enter the username

assigned for your server (i.e. you@yourcompany.com-server).

In the "Proxy username" field, enter the username assigned for

your client (i.e. you@yourcompany.com-client) . In the "Proxy

password" field, enter the password assigned to the client username

(the password assigned to you@yourcompany.com-client).

Choose "YES" from the "Use proxy" dropdown. Pressing "Connect"

will initiate an HTTP connection to our proxy server and from there

to your server. As an additional feature, all communication between

your device and our proxy server is encrypted using DES in CBC

mode.

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On the machine that runs the proxy component (normally the same

machine as the VNC server), you need to do the following in order

to enable communication with our proxy server:

1. Download and install a Java Runtime Environment (JRE) version

1.3 or newer ( http://java.sun.com/j2se/1.3/download.html )

2. Download the JAR file containing the proxy component from

http://www.simeda.com/downloads/AVProxy.jar

3.Run the following command from the command prompt:

java -jar AVProxy.jar proxy_account proxy_password vnc_host

vnc_port

where

proxy_account is the account assigned to your server

(e.g. you@yourcompany.com-server),

proxy_password is the password assigned to your server

vnc_host is the IP address of your VNC server (e.g.

127.0.0.1)

vnc_port is the TCP port used by your VNC server

(normally 5900)

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The proxy should display the message "looking for clients" and

inform you of any incoming connections.

Note: Starting with version 1.5.7, ActiveViewer no longer supports

starting the proxy component via a web browser. Due to various

incompatibilities with the virtual machines inside the web browsers,

we now only support the Java Runtime Environment .

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