18VVVVVW NCSA Mosaic for Microsoft Windows
Installation and Configuration Guide



Introduction

NCSA Mosaic is a network navigational tool that will allow you to easily access networked information with the click of a button. Mosaic is capable of accessing data via protocols such
as HTTP, Gopher, FTP and NNTP (Usenet News) natively, and other data services such as Archie, WAIS, and Veronica through gateways. NCSA Mosaic was designed to provide its user transparent and seamless access to these information sources and services. With our latest compile we have created a native version of Mosaic capable of running under the following operating systems and processor architectures.

Below are the naming schemes we used for this release.

mos20a8.exe ...............................Win3.1, WWG & NT (iX86 processor)
axp.mosaic.2.0.0a8.exe...................NT for the DEC aXP
mips.mosaic.2.0.0a8.exe.................NT for the MipsPC
ppc.Mosaic.2.0.0a8.exe..................NT for the Power PC


Before we get started we must assume your system meets one or more of the following Operating System criteria:

- Microsoft Windows NT

- Windows v3.1, with a winsock.dll and the win32s (version 1.20 with OLE) software properly installed and configured.

- Windows for Workgroups, with a winsock.dll and the win32s (version 1.20 with OLE) software properly installed and configured.

- You have an Internet access provider. NOTE: NCSA doesn't provide Internet access to the general public.


Acquiring Software from NCSA

Since you are reading this file, you probably have the latest version of Mosaic. If your running Win3.1 or WfW you need the latest version of Win32s with the OLE library extensions and a winsock.dll. If you have Mosaic, Win32s with OLE and a winsock, you can skip this section. However, if you don't have a winsock.dll or the Win32s software you will find the information in this section useful, especially if you've never downloaded files from NCSA's anonymous ftp server.

To obtain software from NCSA's anonymous ftp server:

Envoke your local ftp client and log into NCSA's Anonymous FTP server. The address for our anonymous server is ftp.ncsa.uiuc.edu.

At the login prompt enter the name anonymous.

anonymous

At the password prompt enter your email address as the password. For example:

[email protected]

Change directories to /Mosaic/Windows directory.

cd /Mosaic/Windows

List the contents of the directory, using the command:

ls

Tell the ftp server you want to transfer a binary file by giving the command:

bin

Get the Mosaic and the Win32s software using the command:

get mos20a8.exe

If you need the Win32s then:

get w32sOLE.exe (v 1.20 with OLE)

If you need the Trumpet winsock, continue with the following commands:

cd sockets
get winsock.zip

You may also be interested in downloading some of the viewer applications we've made available on the server. If you are interested in downloading these files at this time, give the command

cd /Mosaic/Windows/viewers

Viewers are not necessary for installing Mosaic therefore you can postpone these downloads. If you interested in more information about these applications, I suggest you check out the information we have online. You can get to it by entering the following URL (Universal Resource Locator) in Open URL dialog box or the Mosaic command line.

http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/viewers.html


When you are finished downloading the files from our ftp server just give the command:

bye

and the server will log you out.



Compressed Files

Files extended with .zip indicate that the file is in a compressed archived format. The extension .exe can also indicate a self-extracting compressed archived file. In the case of the .zip files you
must have the latest version of the PKWare software. Within the software you will find an executable called pkunzip.exe. This program will decompress .zip files. Just execute the following command to retrieve the files from the compressed archive:

pkunzip lview31.zip

In the case of the .exe (self-extracting) files you should create a directory and simply type the name of the file to decompress its contents. For example with mos20a8.exe, just type mos20a8 and the file will decompress.

If you need a copy of the SHAREWARE utility PKWare (zip and unzip), you can find it on our ftp server in the /PC/Windows/Contrib directory. The file, pkz204g.exe, is a self extracting executable file. We recommend you put it in it's own directory and just type pkz204g. The software will unzip itself. After you extract the software you will need to add this directory to the PATH= statement of your autoexec.bat file and reboot your machine


Mosaic is a 32-bit Application

Mosaic is a 32-bit application. This means that Mosaic is compatable with Windows 3.1,

Windows for Workgroups, Windows NT and Win95. The Windows NT operating system is

available for the following processors:



iX86 - Intels 386, 486, and Pentium Processors

aXP - Digital Equipment Corporation (DEC) aXP 64-bit processor

MIPS - Mips Technology processor

PPC- Motorola,IBM,Apple Power PC processor





Windows 3.1 and Windows for Workgroups Users


Before you begin, ensure you are using Win32s v1.20 with OLE support. You have a 16-bit operating system and you must have the Win32s software . This software will allow you to run 32-bit applications in
Windows 3.1, 3.11 or WfW 3.1, 3.11. Mosaic is an OLE compatible application and
Mosaic users must use
Win32s 1.20 with the
OLE library extensions. This version of the Win32s software is available at
NCSA's ftp site, ftp.ncsa.uiuc.edu, in the /Mosaic/Windows directory. The file w32sOLE.exe is a self extracting executable. Just put this file in a temporary
directory like c:\install, type w32sOLE and the file will decompress.

WIN32S v1.20 with OLE must be installed BEFORE you use Alpha 8.



Windows NT users and Win95 beta-testers

Windows NT and Win95 are true a 32-bit operating systems and OLE support is built-in.






Checking the WinSock DLL

NCSA Mosaic is a WinSock 1.1-compliant program and you must have a WinSock 1.1-compliant sockets Dynamic Link Library (winsock.dll). The winsock.dll provides the necessary TCP/IP networking environment under windows. Check your WinSock documentation to see whether it is WinSock 1.1-compliant. NOTE: The Chameleon Sampler package that can be found in many books does not contains a 1.0 compliant winsock. Chameleon Sampler users must upgrade to a 1.1 compliant winsock.

If you are using a commercial TCP/IP stack such as PC-NFS, or running on a local area network such as Novell in addition to the TCP/IP, you must obtain the winsock.dll directly from your respective vendor.

If you need a 1.1-compliant winsock or you do not have commercial TCP/IP stack software, you are welcome to try the shareware winsock.dll from Trumpet Software. You can find the latest version of the Trumpet WinSock at the anonymous FTP server ftp.utas.edu.au in the directory /pc/trumpet/winsock. We also keep a copy of this software on our anonymous site,
ftp.ncsa.uiuc.edu. You can find winsock.zip in the /PC/Mosaic/sockets directory. For more information about winsock.dll's I suggest you refer to the FAQs (Frequently Asked Questions) at the end of this file.


Installing NCSA Mosaic

We're trying to simplify the installation of Mosaic as much as we can. However, we do not promote any particular Winsock.dll or network access provider. Thus, these decisions are left up you. For more information about the available winsocks and Internet access providers see the FAQ #7 & #14 at the end of this file. With this in mind, we must assume you already have your Internet access and your winsock is installed. Since the winsock and OLE extensions are built-in to the NT platform we have tried to address the needs of both NT and Win3.1, WfW users.

Windows NT

1. Decompress or Unzip the respective binary file into a temporary directory.

mos20a8.exe ..............................Win3.1, WWG & NT (iX86 processor)
axp.mosaic.2.0.0a8.exe...................NT for the DEC aXP
mips.mosaic.2.0.0a8.exe.................NT for the MipsPC
ppc.Mosaic.2.0.0a8.exe..................NT for the Power PC

2. Run Setup.exe
3. Delete the temporary directory.
3. Read the relnotes.htm file "File, Open Local" They can be found in the same
directory as your Mosaic executable.
4. Download and setup the associated viewer applications. See the following URL
for details. http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/viewers.html
5. Have fun, Enjoy!

Windows 3.1 or Windows for Workgroups

1. Install your winsock software
2. Decompress w32sOLE.exe into a temporary directory.
3. Run setup.exe
4. Delete the temporary files.
5. Decompress mos20a8.exe into a temporary directory.
6. Run setup.exe
7. Delete the temporary files.
8. Read the relnotes.htm file "File, Open Local" They can be found in the same
directory as your Mosaic executable.
9. Download and setup the associated viewer applications. See the following URL
for details. http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/viewers.html
10. Have fun, Enjoy!


The installation program will copy a mosaic.ini file into your windows directory unless one already exists. If you want the mosaic.ini to be in another directory, you will have to remove the mosaic.ini file from the c:\windows directory and put the file in the desired directory. Now define the environment variable MOSAIC.INI in your autoexec.bat so Windows will be able to find mosaic.ini. The environment variable is defined as:

set MOSAIC.INI=c:\complete\directory\path\mosaic.ini


At this point we recommend you envoke Mosaic and open the local file relnotes.htm. You will find this file in the same directory as the mosaic.exe. The release notes will cover specific information about this release and in particular the Options, Preferences menu. We've created an interface that will allow you to configure Mosaic with minimal direct editing of your mosaic.ini file. Unfortunately, we haven't been able to include all of the settings in the Preferences dialog box in this Alpha release. With this in mind, the mosaic.ini sections listed below do not have an nice GUI (Graphical User Interface) in A8. However, we plan on adding this functionality in a future Alpha release of Mosaic. You will have to edit and configure the items listed in the below Sections by hand. This can be easily achieved by finding the mosaic.ini file using the File Manager and double click on the file name. Windows will then open up the Notepad with the mosaic.ini file in it and you can do your editing. Word of advice when installing viewers. Create a directory called c:\winapps and then create sub directories for each of you viewers. By creating these directories
and following the naming scheme we use in the mosaic.ini, you will have minimal difficulties setting up the external viewers.



[Viewers]

This [Viewers] section of the mosaic.ini contains two subsections. The first subsection contains a list of the MIME (Multipurpose Internet Mail Extensions) types for the files you frequently download from the net. The second subsection associates an application (a viewer) to each of the listed MIME types. This information is used to determine whether Mosaic needs to launch an external viewer to show you the file and, if so, which viewer to launch.

If necessary, edit the */* entries in the second Viewers subsection to point to your viewers. If you do not have a viewer for a file type, you can leave the line alone. You may add arbitrary spawning of external viewers by defining a new TYPE#, specifying a viewer, and optionally providing a suffix list. See FAQ #12 for an example of installing a viewer.

NCSA Mosaic must use telnet to connect to some information servers. To do so, NCSA Mosaic needs to know where to find the telnet application on your system. Specify the full pathname for your telnet application at the END of the Viewers section. For example:
.
telnet="c:\trumpet\telw.exe"



[Suffixes]

This section lists the filename suffixes used to identify the file types of files retrieved via FTP or from HTTP version 0.9 servers. In such situations, NCSA Mosaic uses the information in this section and in the Viewers to determine whether an external viewer must be launched to view a file and, if so, which viewer to launch. Files that reside on HTTP version 1.0 servers are typed by the server and only the information in the Viewers section is used.

NOTE: If you are retrieving information from an HTTP/1.0 server (most World Wide Web servers are), the server automatically types data for you. The extensions you set up in the Suffixes section will not have any effect on what MIME type the document is assumed to be, because the data is already being typed by the server.

You may list any number of filename extensions for a given file type; simply separate them by commas. The last suffix listed will be used when writing a file of that type to the local hard drive. If your external viewer requires a particular extension, make sure that it is listed last.

Consider the example of the JPEG file type. The line

image/jpeg=.jpeg,.jpe,.jpg

indicates that any file with the suffix .jpeg, .jpe, or .jpg is a JPEG image.




[Settings]

Anchor Color=0,0,255


[proxy information]

http_proxy=http://Your.proxies.name:portNumber/
ftp_proxy=http://Your.proxies.name:portNumber/
wais_proxy=http://Your.proxies.name:portNumber/
gopher_proxy=http://Your.proxies.name:portNumber/

For more information about using Mosaic through a firewall I suggest you read the information that is available in FAQ #15 and/or the information that is available on-line at the following URL:

http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/ProxyInfo.html


-------------- End mosaic.ini Information ---------------



Finding Viewers

NCSA Mosaic for Microsoft Windows uses external viewers and players to display certain types of files, such as JPEG images or MPEG movies. These viewers and players are separate applications and they are neither maintained nor formally distributed by NCSA.

However, NCSA is always watching for particularly suitable viewers and players. When one is located that NCSA can legally distribute, a copy is placed on NCSA's FTP server in the directory /Mosaic/Windows/viewers. If you do not have a viewer or an application for a particular file type, check this directory. If you find a viewer an application that is not listed online or one that is significantly better than the one on our server, please let me know about it. ([email protected])

For information about the viewers that we have online, see the following URL:

http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/viewers.html




Executing and Testing NCSA Mosaic

Ensure you have installed your winsock.dll and win32s software properly and execute NCSA Mosaic. If everything is properly configured and your network's domain name server is up, NCSA Mosaic will be able to load network documents successfully. Test this by clicking on the house icon in the toolbar. This is the quick link to a home page and by default this link is the Mosaic for Microsoft Windows Home Page. If all is well, I suggest you take a look at the "Starting Points" menu and the Mosaic home page.

If you are able to execute NCSA Mosaic but selecting the Windows Mosaic Home Page did not work, ensure you have the proper network configuration. Call your network service provider and verify that the IP numbers you were given are correct and you have the latest SLIP or PPP software they provide. NOTE: IF you have more than one winsock.dll available to windows at any given time, you will have conflict problems! Ensure you are only using one winsock and do NOT mix and match proprietary software. ie.. I have DEC Pathworks and I'm trying to install the Trumpet winsock. IT WON'T WORK!

If you have elimated the above causes as a source to the problem, try the following exercises and include the results in your query to NCSA. The results will help NCSA technical support determine the nature of your problem: See FAQ #19 for details.

1. Select Open Local File on the File menu and try to open a file on your system.

2. Select Open URL on the File menu and try to open an HTTP file on remote Web server.

http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/StartingPoints/NetworkStartingPoints.html

3. Select Open URL on the File menu and try to open an FTP file on a remote Web server.

file://ftp.ncsa.uiuc.edu/PC/Mosaic/faq.txt will provide a good test.




The NCSA Mosaic FAQ


Frequently Asked Questions:

- Common questions our users have about Mosaic
- Common installation and initial execution problems and solutions
- Information about Winsock.dlls
- Information about viewers and the mosaic.ini
- Running Mosaic over a phone line via SLIP or PPP
- Finding an Internet SLIP/PPP provider
- Using Mosaic with from behind a firewall
- Registration and Licensing information
- Misc. Information

After Mosaic is installed, I strongly recommend you read the information that is online at the Mosaic for Microsoft Windows Home Page. The URL is:

http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/HomePage.html



1. What version of the compression utility PKunzip do I need to unzip Mosaic?

Mosaic is now a self extracting executable which means you don't need the PKunzip software to decompress the files. However, you will find it useful to have the PK software for the other softwares you will find on the network. If you would like to obtain a copy of the latest PK software you can find this shareware product at the anonymous ftp site oak.oakland.edu. The file pkz204g.exe is in the pub/msdos/zip directory. You can find a copy of this software on our anonymous ftp site in the /PC/Windows/Contrib directory.



2. Do I need to change any of the settings in the mosaic.ini file?

Not with Alpha 8. We are in the process of creating a graphical user interface so you will never have to hand edit the mosaic.ini file.



3. Are OS/2, Windows NT or Win95 supported?

OS/2

Unfortunately not, we do not have the resources to port Mosaic to the OS/2 environment. However, version 3.0 of OS/2 will allow you to run Win32 applications.


Windows NT and Win95

Yes, The current version of Mosaic is a Win32 application and will operate in both Windows NT and Win95.



4. Can I run Mosaic without an Internet connection?

Yes. If Mosaic doesn't find a winsock.dll on your system, it will operate in stand-alone mode.




5. What does the error message "Cannot find winsock.dll" mean?

This is the most common error message users see during the installation. However, when NCSA Mosaic v2.0Alpha8 receives this error message from Windows, it will envoke under Windows in stand-alone mode. If you do not want to run under your local environment and connect to the Internet then consider the following. The error is caused when Windows can not find the winsock.dll. To correct this problem, ensure the winsock.dll is in either the c:\windows\system directory or its directory is defined in the PATH= statement of the autoexec.bat. One of the common misconceptions is that this is a Mosaic error, when in fact it is a Windows system error telling you it can't find a file.


6. What does the error message "Unable to load TCP" mean?

This is another Winsock.dll error message. It can be caused when the winsock is dependent on other .dll files and the files can not be found or you your system doesn't have enough system resources to launch the program. A solution to the first possible cause is to ensure you have installed your winsock properly (re-install the winsock). A solution to the second possible cause is to close other applications or create a larger swap file. See your windows documentation for details on Enhanced386 and virtual memory.


7. Where do I get a winsock.dll?

There are a number of companies that have created these winsock.dlls and you must ensure you have a "1.1 compliant" winsock. If you don't have a 1.1 compliant winsock then you will get an error message like "unable to load TCP/IP" or "Winsock is not 1.1 compliant" and Mosaic will not run.

Note: Information about various winsocks is provided for the convenience of our users and we do not endorse any particular product. Since we did not develop this software, we can not provide support. If you are having problems with any of these products, then please contact the respective author.


The Common Commercial winsock.dll providers:

- DEC Pathworks

- FTP Inc.

- Microsoft's TCP/IP-32 for Windows for Workgroups

- NetManage Inc.

- Novell

- PC/NFS

- Spry Inc.


A Shareware winsock.dll provider:

- Trumpet Software International Winsock was successfully tested during the development of Mosaic. If you are interested in obtaining a copy of this software you can find it at the anonymous ftp site ftp.utas.edu.au in the /pc/trumpet/winsock directory. We also maintain a currrent copy of this winsock on our ftp server, ftp.ncsa.uiuc.edu, in the /Mosaic/Windows/sockets directory. The file is winsock.zip.



8. I have a winsock.dll and Mosaic is not working?

Are you using a 1.1 compliant winsock? If your winsock is 1.1 compliant then it will be documented as such. When in doubt upgrade to the latest version of your network software. A common error message is "Winsock is not 1.1 compliant". The Chameleon Sampler that can be found in the back of many books is a 1.0 compliant winsock and you will have to upgrade to the 1.1 compliant version of the winsock.dll



9. What does the error code "Failed DNS Lookup" mean?

This error could be caused by a few things. First, the IP number you typed in to the Name server field or DNS field is wrong. Second, the machine name you type in the URL is wrong or is not associated with an IP number. Third, this error message occurs when the Name Server is down.



10. When I invoked Mosaic I didn't find the Starting Points menu.

This occurs when the mosaic.ini file is NOT in your windows directory or the enviroment variable is wrong. To correct this problem either copy the mosaic.ini file to your windows directory or ensure you've defined the environment variable properly. The environmental variable is defined in your autoexec.bat file. ie.

set MOSAIC.INI=c:\complete\directory\path\mosaic.ini



11. Viewers and the mosaic.ini file.

The real beauty of Mosaic is it's ability to use other already existing products for viewing image files, movie files, post script files, sound files, etc. If you already have some product that you would like to use as a viewer, you can simply define it in the mosaic.ini file. (See #12 Installing viewers) If you need to obtain a viewer I suggest you check our on-line information. See the following URL for more information.

http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/viewers.html

This URL will point you to a number of viewers that have been tested with Mosaic. After you have selected a viewer you can transfer it to your machine by selecting Options, Load to Disk... or just hold Shift and click on the link. If you want to download these viewers without using Mosaic you can find them on our anonymous ftp server in the /Mosaic/Windows/viewers directory.



12. Installing viewers

The selected application or viewers must be able to accept command line arguments.

This is a general example for defining a new viewer to Mosaic. Mosaic needs to know which application to call when it reads a file type that it can't handle. For example, Configuring Mosaic to read .wav files.

Edit your mosaic.ini file to reflect this information.

I. In the [Viewers] section of the mosaic.ini file add or edit this information.

TYPEn="audio/wav"

Where "n" is a next integer in the list. The "audio/wave" is a specific MIME(Multipurpose Internet Mail Extensions) type. When a file is sent over the network it is associated with a MIME so the receiving application knows what type of file it is. In the default mosaic.ini we distribute, we have defined some common MIME types. All you have to do is ensure the MIME associations to applications are properly defined. You need to type the directory path and executable name to names point to the proper viewer. There are two ways to define the path to your executable. Note: XXXX represents the name of the executable without the .exe extension.

1. audio/wav="c:\path_to_your_viewer\XXXX %ls" (explicitly)

or

2. audio/wav="XXXX %ls"

(This definition implies that the executable is in either the windows directory or it's directory is defined in the path statement of your autoexec.bat. ie. mplayer.exe would
become "mplayer %ls")


II. In the [Suffixes] section define the extensions that this new type will recognize. For example:

audio/wav=.wa,.wav

Note: - The last extension listed in this definition will be used when writing a file of that MIME type to your local hard drive.

IMPORTANT: Since we did not develop the viewers we do not support them.



13. How do I run Mosaic from home?

- Mosaic will run over a Serial Line Internet Protocol (SLIP) or Point to Point Protocol (PPP) connection. The most difficult aspect is establishing the SLIP/PPP connection. The first thing you must do is find an Internet access provider. NCSA does not provide these services. If you don't have an Internet access provider, stop here and see FAQ #14. This FAQ contains a list of some nationwide Internet access providers.

- If you have an Internet access provider and you are using a commercial winsock product, you will have to contact that vendor if you are having problems with their SLIP or PPP product.

- Below is a brief description about establishing a SLIP connection using the Shareware product called Trumpet Software International Winsock version 2.0b. This particular product has an internal modem dialer, a SLIP driver, a PPP driver and a convenient login script that will prompt you for the phone number of the provider, your name and your password. If you need to obtain a copy of this shareware product you can find it at the anonymous ftp site, ftp.utas.edu.au. The file is located in the /pc/trumpet/winsock directory. For the convenience of our users we also keep a copy of this Shareware product on our anonymous ftp server, ftp.ncsa.uiuc.edu. The file, winsock.zip, is in the /Mosaic/Windows/sockets directory.

After you have installed the Trumpet Winsock according to it's instructions, envoke tcpman.exe and select "Setup". Trumpet will prompt you for the following information about your network connection. You can get this information from the company or the system administrator that provided you with the SLIP connection.

IP address 0.0.0.0
Name server 0.0.0.0 (0.0.0.0 = IP number)
Gateway0.0.0.0
Time sever 0.0.0.0
Domain Suffix the.name.of.your.domain
ie. "ncsa.uiuc.edu" is our domain.

Check "Internal SLIP" or "Internal PPP" , enter in the port number your modem uses, the baud rate of your modem and any other option you would like to take advantage of. Save the information, click OK, and exit the program. Now, your system should be configured properly. Next, envoke Trumpet and select the "Dialler, Login" option. The Trumpet winsock will prompt you for the phone number of your Internet access provider. Next it will prompt you for your login name and you password. Once the data is entered, the Trumpet winsock make the call to your Internet access provider and log you in.

NOTE: There are two ways to gain access to the Internet via SLIP:

A) If you have a static slip account, that is, your IP number doesn't change.

- login to the server using "Dialler" "Login"
- iconify the Trumpet windows to get it out of the way.
- Double click on the Mosaic icon

B) You log into a server that assigns you a random IP number. If you are randomly assigned an IP number when you login in, it will display on the screen and you will have to enter this new number in the "File, Setup" dialog box and select OK. At this point Trumpet will prompt you with a dialog box that basically says you need to restart Trumpet for this IP number change to take effect. Go ahead an acknowledge the box. Let Trumpet finish logging in; you'll see "SLIP Enabled" at the bottom of the screen when Trumpet is finished. At this point you will need to re-start the Trumpet application so the IP number effect. NOTE: You will NOT loose you phone connection to your service provider when you close Trumpet.

- login to the server using "Dialler" "Login"
- Take note of the IP number
- Select the "Setup" from the "File" pull down menu
- Enter the assigned IP number in the "IP address" field
Note: After you enter the new IP number you will get a message that
states you will have to close the application in order for this number
to take affect. Closing Trumpet will not cause you to loose your connection.
- Select OK and acknowledge the dialog box.
- Allow Trumpet to finish logging in. You'll see "SLIP Enables" at the bottom of
the screen.
- Restart Trumpet
- Iconify the window
- Double click on the Mosaic icon

A couple of notes:

1. The Trumpet winsock saves the phone number, login name and password information. If you need to change any of these parameters you will need to run the "Dialler, Other, setup.cmd" and Trumpet will prompt you with the phone number, login name and password dialog boxes.

2. When you are finished with the Trumpet winsock and the network, ensure you use the "Dialler, Bye" command. A problem I have noticed with the Trumpet software is that if you don't use the Bye command your modem will remain online until you either power down your system, you open Trumpet and select "Dialler, Bye" or you send the modem the disconnect string.




14. How do I gain access to the Internet?

Here is a list of some of the companies that can provide nationwide SLIP and PPP access to the Internet. These companies are listed in alphabetical order and we do NOT endorse any particular provider.

Colorado Supernet ([email protected])
Colorado School of Mines
1500 Illinois Street
Golden, CO 80401
(800)748-0800

Institute for Global Communications ([email protected])
PeaceNet/EcoNet/ConflictNet/LaborNet ** International Provider **
18 deBoom St.
San Francisco, CA 94107
tel: +1-415-442-0220
fax: +1-415-546-1794

JVNCnet ([email protected]) ** SLIP only **
Global Enterprise Services
3 Independence Way
Princeton, NJ 08540

NetCom On-Line Communication Services ([email protected])
4000 Moorpark Avenue
Suite 209
San Jose, CA 95117
(408)554-8649

Performance Systems International ([email protected]) ** World Wide Provider **
11800 Sunrise Valley Drive
Suite 1100
Reston, VA 22019
(703)620-6651

UUNET ([email protected]) ** World Wide Provider **
3110 Fairview Park DR
Suite 570
Falls Church, VA 22042


(If you know of any other Nationwide or International SLIP or PPP service providers let me know and I'll be happy to add their information to this list. [email protected]) :^)


15. How do I set up Proxy Gateway Support in NCSA Mosaic for Microsoft Windows

The proxy gateway services allow Mosaic to pass on a network request (in the form of a URL) to an outside agent which will perform the request for Mosaic, and return the results to Mosaic. The intended effect of this is to allow Mosaic clients that are behind firewalls to pass their network requests off to a machine that can access the internet for Mosaic. A Mosaic client using a proxy gateway should feel as if they were directly connected to the internet.

Proxy gateways in Mosaic are expected to talk the HTTP/1.0 protocol. The URL that Mosaic wants to access is passed to the proxy in the form of an HTTP/1.0 GET request. The proxy then accesses the URL, and returns its results back to Mosaic.

Proxy gateways are currently implemented on a per access method basis. This means each URL access method can send its requests to a different proxy. The current access methods are ftp, gopher, wais, news, and http.

To get Mosaic to use the proxy gateway support, you must add this section to your mosaic.ini file of the format:

[proxy information]
http_proxy=http://your.firewall.machine:portnumber/
ftp_proxy=http://your.firewall.machine:portnumber/
wais_proxy=http://your.firewall.machine:portnumber/
gopher_proxy=http://your.firewall.machine:portnumber/

Where "your.firewall.machine.portnumber" is unique to your environment. for example "aixtest.cc.ukans.edu:911".


Since proxy gateways are expected to be used to pass through firewalls, you need to trust your proxy gateway, the best way to get a gateway you trust is to write it yourself. For information about obtaining an web server that supports proxy services, see:

http://info.cern.ch/hypertext/WWW/Daemon/Overview.html



16. Do I need to register NCSA Mosaic? What is the copyright?

You do not need to register NCSA Mosaic however, Mosaic is copyrighted by the University of Illinois. Mosaic is available at no cost to individual users, Academic organizations, Government organizations and for internal business use. If you plan to redistribute Mosaic or profit from the use of Mosaic, you are subject to licensing. If you are interested in licensing Mosaic for commercial use then please refer to the next question.



17. Can I get the Source Code?

The source code is available by licensing agreement only. In order to obtain a copy of it you must fill out a licensing agreement and mail it to us via some postal service. We will not accept electronic versions of the agreement! Just download the agreement and print it out. You can obtain a copy of this agreement in either of the following ways:

a. Download it from our ftp server (ftp.ncsa.uiuc.edu or 141.142.3.135) from the /Web/Mosaic/Licensing directory. There are various formats of this agreement for your convenience.

b. Use NCSA Mosaic and enter the following URL:

http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/source.html

Just select Options... Load to Disk or hold the Shift key and click on one of the available formats.



18. Is NCSA Mosaic available on other platforms?

Yes, besides the Microsoft Windows version, NCSA Mosaic is available for the Macintosh and X-Windows platforms. If you interested in obtaining either of these versions you can find more information about them on our ftp server. Mosaic for the X platform can be found in the /Mosaic/Unix directory and Mosaic for the Mac platform can be found in /Mosaic/Mac directory. Please download the respective files and read them before you contact us for technical support. If you can not find an answer to your question then send email to the appropriate address:

[email protected]: For X-specific help.
[email protected]: For Mac-specific help.


19. Is NCSA Mosaic supported?

Yes, we provide as much information as we can about our browser online. Please see the following URL if you have a question about Mosaic.

http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/HomePage.html


Feedback to NCSA

Your comments on NCSA Mosaic are important; user feedback is an integral part of the Software Development Group's (SDG's) planning activities. Bug reports are particularly valuable because SDG's tests cannot duplicate all user environments and equipment configurations. Bug reports should include enough information to enable SDG developers to reproduce the problem. Please specify any information given by Mosaic, and give us a URL so we can successfully reproduce the problem. However, before you send any bug reports, comments, or suggestions, please check our on line information to ensure your information hasn't already been reported. This will be very helpful to us because we are swamped with email! You can find on-line information about known bugs, enhancement requests, FAQ's, viewers, etc. from our home page.

http://www.ncsa.uiuc.edu/SDG/Software/WinMosaic/HomePage.html

If the answer to your question is not included in the above source of information, we will attempt to reply as quickly as possible. Please remember we are supporting NCSA Mosaic and we can not provide information about the location of specific resources on the net. The easiest way to mail us is to click on Help, Mail Technical Support... and write your message. When you are finished just select Send and we will receive your message.

Thank you,


Mosaic for Windows Technical Support
[email protected]

The NCSA Software Development Group
The University of Illinois Urbana-Champaign (USA)

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