Annotation of loncom/html/adm/loginproblems.html, revision 1.7

1.1       www         1: <html>
                      2: <head>
                      3: <title>LON-CAPA Login Problems</title>
1.3       www         4: <script>
                      5: function openwin() {
                      6:    var testwin=window.open('/adm/rat/empty.html','test','menubar=0,width=200,height=100');
                      7:    testwin.document.clear();
                      8:    testwin.document.writeln('PASSED TEST');
                      9:    testwin.document.close();
                     10:    testwin.focus();
                     11: }
                     12: </script>
1.1       www        13: </head>
                     14: <body bgcolor="#FFFFFF">
                     15: <h1>Login Problems with LON-CAPA</h1>
                     16: <h2>Which browsers can I use with LON-CAPA?</h2>
                     17: LON-CAPA is designed to work with the following browsers
                     18: <ul>
                     19: <li>Mozilla version 1.0 and higher</li>
1.7     ! www        20: <li>Mozilla Firebird</li>
        !            21: <li>Camino</li>
1.1       www        22: <li>Netscape version 4.7 and higher</li>
1.7     ! www        23: <li>Safari version 1.1.1 and higher</li>
1.4       www        24: <li>Galeon version 1.2 and higher</li>
1.7     ! www        25: <li>Internet Explorer version 5.1 and higher (found to be slow on MacOS)</li>
1.1       www        26: </ul>
                     27: on the following operating systems
                     28: <ul>
                     29: <li>Linux</li>
                     30: <li>UNIX</li>
                     31: <li>MacOS</li>
1.3       www        32: <li>Windows 98, NT, 2000, ME, and XP</li>
1.1       www        33: </ul>
                     34: If you have problems logging in with any browser or any operating system not
                     35: listed above, please <b>use another browser or computer.</b>
1.3       www        36: <h2>I have accessibility needs</h2>
                     37: Please use the 
                     38: <a href="/adm/login?interface=textual">alternative text-based login mode</a>. 
                     39: Please let the system administrator know if you have any problems.
                     40: <h2>I would like to use my Pocket Computer or PDA to access LON-CAPA</h2>
                     41: While we can make no guarantees that LON-CAPA will work with your particular
                     42: Pocket Computer or PDA, you might want to try the
1.6       www        43: <a href="/adm/login?interface=textual">alternative text-based login mode</a>. 
                     44: We have had success with a Sharp Zaurus and Thunderhawk on PocketPCs 
                     45: (e.g., Dell Axim).
1.1       www        46: <h2>I get "Username and/or password could not be authenticated"</h2>
                     47: <ul>
                     48: <li>
                     49: The most common problem here is that the Caps-Lock button is pressed. Usernames
                     50: and passwords are case sensitive, so it does matter if something is typed with
                     51: lowercase or with uppercase letters.
                     52: </li><li>
                     53: The second most common problems is that users accidentally go to the wrong 
                     54: server. LON-CAPA is running at many universities, colleges, and schools.
                     55: Especially if you hit upon this page by looking for "LON-CAPA" in Google or
                     56: some other search engine, you might have hit a server at another place. Please
                     57: make sure to use the URL provided to you. 
                     58: </li></ul>
1.3       www        59: <h2>I get a list of computers ...</h2>
                     60: This means that the server you attempted to login to is currently not 
                     61: available. For example, it might be undergoing maintenance. Please click on
                     62: any of the other server, giving preference to the ones that say "preferred."
1.5       www        63: <h2>I get "Information needed to verify your login information is missing, inaccessible or expired"</h2>
                     64: LON-CAPA does internal encryption of password information submitted from the 
                     65: login screen, but only keeps the decryption information for a day. Simply pull
                     66: up the login screen again. 
                     67: If that does not solve the problem, please wait for 20 minutes, reload 
1.1       www        68: the login page, and try again. If after 20 minutes LON-CAPA still gives you 
                     69: the same message, please email the Server Administrator listed on the login 
                     70: page. The Server Administrator can verify your situation and re-enable logins.
1.3       www        71: <h2>I hit "Log In," but nothing happens, or I get error messages and 
                     72: warnings</h2>
                     73: <ul>
                     74: <li>The most common problem is that your browser is not one of the browsers
                     75: listed above.</li>
                     76: <li>You might have modified the preferences in your browser. In particular, the
                     77: following preferences can be a problem:
                     78: <ul>
                     79: <li>Scripting languages, in particular JavaScript, is disabled. 
                     80: <i>Test: as you <a href="javascript:alert('PASSED TEST');">click here</a>, 
                     81: a small window should appear. If no window appears, scripting is disabled.</i>
                     82: </li>
                     83: <li>The security settings are cranked up to a higher level. In particular, this
                     84: might prevent unencrypted submission of passwords (LON-CAPA actually does its
                     85: own encryption), or cross-server submission of forms.
                     86: </ul></li>
                     87: <li>If all else fails, please <b>try from another computer.</b></li>
                     88: </ul>
1.1       www        89: <h2>After logging in, I get the message "Welcome," but then nothing happens
                     90: </h2>
1.6       www        91: Actually, something <i>will</i> happen if you wait around a little bit: 
                     92: after trying 
                     93: to launch its Remote Control for a while, LON-CAPA will default into its
                     94: text-based interface mode. That mode 
                     95: is just fine for most operations, but has certain limits. 
1.1       www        96: <ul>
                     97: <li>The most common problem is that your browser is not one of the browsers
                     98: listed above.</li>
1.3       www        99: <li>If you have a supported browser, it might be hung. 
                    100: <b>Please completely quit
                    101: your browser, and start it again.</b></li>
1.2       www       102: <li>You might have installed a filter against so-called "pop-up ads" (those
1.1       www       103: obnoxious windows that come up into your face trying to sell you something
1.6       www       104: while you are surfing).
                    105: 
                    106: We recommend to disable the filter for your school's domain, for example
1.3       www       107: "<tt>xyzu.edu</tt>." 
                    108: <i>Test: as you <a href="javascript:openwin();">click here</a>, 
                    109: a small window should appear. 
                    110: If no window appears there, but 
                    111: <a href="javascript:alert('THIS COMES UP');">this window</a> does come up,
                    112: pop-up filters are active.</i></li>
1.2       www       113: <li>You might be getting your internet access from a free service provider 
                    114: which adds banner ads to your pages. These ads conflict with LON-CAPA, you 
                    115: will need to use another provider.</li>
1.3       www       116: <li>If you do not want to re-adjust the preferences of your browser, you might
                    117: want to use the 
1.6       www       118: <a href="/adm/login?interface=textual">text-based login mode</a>. 
1.1       www       119: <li>If all else fails, please <b>try from another computer.</b></li>
                    120: </ul>
                    121: </body>
                    122: </html>

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