..HPð€ÿÜÿìô”(üHPð€P € €'€,<€f€H€H€Z€Z€ ý€33 of ‰Ö‰Ö(a{HH, Helvetica HelveticaTimes Times-RomanP0d(dG0d10d0d 0d`dHd%àÿÿÿÿ ÿÿÿÿ. ÿÿÿÿ. ÿÿÿÿ. ÿÿÿÿ. ÿÿÿÿ. ÿÿÿÿ. ÿÿÿÿ. ÿÿÿÿ. ÿÿÿÿFGOPHER SURFER Gopher Surfer is an application that allows you to set up a Gopher+ Server on a Macintosh. The resulting server is a full implementation of the Gopher+ protocol. This document covers the following topics: Setting Up a Server with Gopher Surfer Setting Up Permissions Setting Up Information Another NameFile Item TypesSystem 7 AliasesCreating LinksAlternate ViewsElectronic Forms File Management Licensing Information If you would like to learn more about the technical design of the Internet Gopher before setting up a server, you should read the following documents, which are available from the Mother Gopher Server: gopher.tc.umn.edu, port 70. 1) Overview of Gopher: DRAFT_Gopher_FYI_RFC.txt Located in: Home Gopher Server Information About Gopher Gopher Protocol Information 2) Internet Gopher protocol: protocol.txt or protocol.MacWriteII.hqx Located in: Home Gopher Server Information About Gopher Gopher Protocol Information 3) Gopher+ protocol: Gopher+.txt, Gopher+.MacWriteII.hqx Located in: Home Gopher Server Information About Gopher Gopher Protocol Information Gopher+ Requirements In order to set up a Gopher+ Server using the Gopher Surfer application, you need to have a Macintosh running System 7.0. You will need to complete three tasks before installing the Gopher Surfer application. First, you will need to install and to configure MacTCP on your Macintosh. MacTCP needs to be configured with a static IP address. If you need assistance with configuring MacTCP, ask your network administrator. Second, you need to register a name for the Macintosh you will be using as a Gopher Server with your local domain name system (nameserver) administrator. Third, you need to install the Thread Manager in your System Folder. Setting Up a Server with Gopher Surfer Before starting Gopher Surfer for the first time, drag the Thread Manager to your System folder; it ends up in the Extensions folder. Then, restart your machine. GOPHER SURFER WILL NOT WORK UNLESS THE THREAD MANAGER IS INSTALLED AND LOADED. If the Thread Manager is not loaded, you will get an alert box. You can continue to use Gopher Surfer in the Browse mode to organize files and to define item types and links, but it will not run as a gopher server. Setting Up the Server Follow these steps to set up a Gopher+ Server using Gopher Surfer: 1. Double-click on the icon for the Gopher Surfer application. 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While running as a server, your Mac will make everything in the folder that you designated with "Publish Directory" available to Gopher Clients. This includes files as well as subfolders and items that are pointed at by System 7 aliases. Access Denied You've set up the server according to the instructions above, but when you try accessing it through a gopher client, you get the message "Access denied." If this happens, you probably have the System 7 File Sharing option turned on for your machine. In this case, you'll have to set up sharing permissions for the folder designated as the published directory, before you're on-line as a gopher server. Read the section SETTING UP PERMISSIONS, for instructions on how to proceed. Setting Up Permissions You can limit the access to your server or portions of your server using the Sharing Setup and the Users & Groups control panels in System 7. If you are unfamiliar with these features in System 7, read the File Sharing section in the System 7 manual before doing anything. Basic Concepts Using the System 7 access privileges, involves three steps. 1. Turning on File Sharing. 2. Defining users. There are three levels of users: the owner, a specific user or gro up, and everyone. For the specific user/group you can select only one "user" from a list of registered users who have access. However, that one "registered user" also can be a group, which is actually a collection of registered users. 3. Setting access for folders. You cannot set access for a file. In Gopher Surfer, a "user" can be defined using several formats (example uses a type B adddress format): An IP address 123.456.789.1Permits access by a single machine A subnet of the domain, 123.456.789Permits access by IP addresses 123.456.789.1-255 An entire domain, 123.456.1-255.1-255 (example assumes a type B address). Permits access by IP addresses 123.456.1-255.1-255 To deny access to a User, type an exclamation point (!) before the name. So, if you wish to exclude access from a machine with an IP address of 123.123.123.123, create a User with the name of "!123.123.123.123". In authenticating an IP address, Gopher Surfer first checks for a match to a User/Group with denied access. If the address is not specifically excluded, then Gopher Surfer checks to see if access is allowed. So, if User "123.456" is given permission to access the server and a client is on a machine with an IP address of 123.456.612.101, it will be allowed to connect. However, clients from 123.234.612.101 or 123.123.123.123 will be denied access. The first, because it doesn't match "123.456" and the second because it matches "!123.123.123.123", the user that is excluded. After setting sharing permissions for one folder, you cannot set up sharing for the hard drive where the folder is located. You can, however, set up different permissions for a subfolder inside the gopher server Published Directory folder. Everyone Has Access Follow these steps if you wish to have all internet users access your server. 1. Turn on the File Sharing feature in System 7. From the Apple menu, choose Control Panels. Double-click on the Sharing Setup control panel. Set up your network identity. Click on the Start button, and close the control panel. 2. Select the folder you've designated as the "Published Directory" of Gopher Surfer. 3. From the File menu, choose Sharing. The dialog box you'll see should have everything grayed out. This is to prevent people from inadvertently sharing items. 4. Click in the check box next to "Share this item and its contents." 5. To share every item in the folder, including subfolders, click in the check box next to "Make all currently enclosed folders like this one." 6. To give permission to anyone who connects to your gopher server, make sure the following boxes are checked for "Everyone" See Folders (if this isn't checked, folders inside of the designated folder will not be seen by gopher clients.) See Files (if this isn't checked, gopher clients will see folders, but the files stored in folders will not be seen.) 7. 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Click on the close box for the Sharing window. An alert box will appear. Click on the Save button. If another alert box appears asking if you want all enclosed folders to have the same permissions, click on OK. Only an IP Address Range Has Access Follow these steps if you want to restrict access to a certain range of IP addresses. 1. Turn on the File Sharing feature in System 7. From the Apple menu, choose Control Panels. Double-click on the Sharing Setup control panel. Set up your network identity. Click on the Start button, and close the control panel. 2. Define the IP range. From the Apple menu, choose Control Panels. Double-click on Users & Groups. From the File menu, choo se New User. Name this User the same as the domain you wish to allow access to your server. For instance, if your domain is 123.456.1-255.1-255, you would name the User "123.456." If you want to include more than one domain, create a User for each one. Then, from the File menu, choose New Group and name it. Drag the Users you wish to give permission to access to the Group icon. 3. Select the folder you've designated as the "Published directory" of Gopher Surfer. 4. From the File menu, choose Sharing. 5. Click in the check box next to "Share this item and its contents." 6. To share every item in the folder, click in the check box next to "Make all currently enclosed folders like this one." See Folders (if this isn't checked, folders inside of the designated folder will not be seen by gopher clients.) See Files (if this isn't checked, gopher clients will see folders, but the files stored in folders will not be seen.) 7. To give permission to a specific IP range, uncheck all the boxes for "Everyone." 8. For User/Group, select the User or Group you've set up in step 2. Check the following boxes for User/Group. 9. Even though Gopher Server doesn't allow clients to make changes, you might want to uncheck the box for "Make Changes," especially if the server is connected to an AppleShare network. 10. Click on the close box for the Sharing window. An alert box will appear. Click on the Save button. If another alert box appears asking if you want all enclosed folders to have the same permissions, click on OK. Setting Up Information An important step in getting your server up and running is organizing the information that you wish to make available to others. At the simplest level, all you have to do is drag plain text files into the folder that you designated with the Publish Directory button. Any folder inside that folder will appear as a subfolder or a subdirectory to Gopher Clients. The list of files and subfolders on your server will appear as a list to all gopher clients. The files and subfolders are arranged in alphabetical order by the server. If you wish to use more sophisticated Gopher+ Server features, you have a number of options, such as giving a file a different name that is displayed to clients; posting files consisting of graphics, sounds, or movies/videos; linking to other Gopher Servers, CSO directories, or Telnet and TN 3270 sessions; making a file available in several different formats or languages (alternate views); searching for keywords; or gathering information via an electronic form (ASK file). Another Name Sometimes you may wish to have more control over what file names are displayed to gopher clients. Gopher Surfer offers a feature that allows you to create a different name for display to gopher clients. This feature creates a file called a "gopher alias," which is different from the System 7 alias. A gopher alias allows a more descriptive name to be displayed or