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Centre Green Hosting Network Operations Centre Contact Web Wiz Legal Community Knowledgebase Support Forums Web Wiz Blog You http 500 internal server error internet explorer how to fix are here: Home > Knowledgebase > Classic ASP > HTTP Error Messages Categories Knowledgebase Home Hosting Support Domain Support Control Panel Support Video Tutorials Cloud Server Support Network Tools Classic ASP SEO Website Planning Design a Website Search Related KB's Web Wiz Forums Web Wiz NewsPad Web Wiz CAPTCHA Web Wiz RTE Search Advanced Search Turn Off Friendly HTTP Error Messages in IE (Internet Explorer) A Frequent problem when trying to run Classic ASP applications on your own web space or web server is how do you debug the application if it is not running correctly and only showing a generic error message. All to often in Internet Explorer if the application crashes all you see is a page saying - 'The page cannot be displayed.' then further down the screen you have the generic error 'HTTP 500 - Internal server error'. Well you'll be glad to know there is something you can do to help debug the application and find out what exactly is coursing the application not to run correctly. To do this you need to turn of Internet Explorers, Friendly HTTP Error Messages function, by following the steps below. There instructions work in IE5, IE6, IE7 and IE8. First you need to select 'Tools' from the menu at the top of Internet Explorer. Then from the drop down menu choose 'Internet Options'. Once the 'Internet Options' Dialog box opens you want to choose the 'Advanced' tab. You will then see a list of Advanced functions of Internet Explorer that can be turned on or off by checking the tick boxes. Look down the list for 'Show friendly HTTP error messag
'14 Friendly HTTP Error Pages ★★★★★★★★★★★★★★★ EricLaw [ex-MSFT]August 18, 20100 0 0 0 Internet Explorer 5 and later will show a “Friendly” HTTP Error page if the server returns certain HTTP Error status codes with a short message body. The intent is to replace a terse server message like this one: …with a page which may be slightly more helpful to the average user, like this one: Unfortunately, IE's logic isn't smart enough to detect that, say, the response was a tiny HTML page with a META Refresh pointed at a different page, meaning that the META Refresh won't work until you pad the HTML response with enough text to be deemed "non-terse." A common https://www.webwiz.co.uk/kb/asp-tutorials/friendly-HTTP-error-messages.htm question from web developers is: What makes IE decide to show a friendly error page? The answer is that the server’s response must meet two criteria: The HTTP Status code must be [400, 403, 404, 405, 406, 408, 409, 410, 500, 501, 505] The HTTP Response body’s byte length must be shorter than a threshold value If the server’s response meets both criteria, then IE will show its own Friendly HTTP Error page instead of the server’s terse https://blogs.msdn.microsoft.com/ieinternals/2010/08/18/friendly-http-error-pages/ response. The byte length thresholds are stored in the registry in HKEY_LOCAL_MACHINE under the subkey \SOFTWARE\Microsoft\Internet Explorer\Main\ErrorThresholds. The default threshold is 256 bytes for the response codes [403, 405, 410] and 512 bytes for response codes [400, 404, 406, 408, 409, 500, 501, 505]. If the registry entry is missing for one of the status codes, its threshold defaults to 512 bytes. I wrote a simple script which allows you to test IE’s Friendly HTTP Error pages using Meddler. The next most common question is: How do I prevent IE from showing the friendly error page? If a user wants to prevent display of all Friendly HTTP Error pages, they can untick an option in the Internet Control Panel's Advanced tab, then restart IE. Of course, only the Friendly HTTP Error pages can be disabled in this way; other Friendly Error pages (like the DNS Lookup error or TCP/IP Connection failure page) cannot be disabled because IE has no other content from the server to display instead. Of course, it is impractical (and not necessarily desirable) to reconfigure IE on all client machines, so most servers that wish to ensure that users will see a given HTTP error message will pad the response with spaces or other characters until the response body length exceeds 512 bytes. For instance, Fiddler’s FailSession method contains the following code: if (iStatusCode >= 400) { if
Appearance Show Friendly HTTP Error Messages (All Windows)By default Internet http://www.pctools.com/guides/registry/detail/519/ Explorer will show a friendly version of any HTTP errors it receives, for example Error 404 Page Moved. This tweak controls that functionality allowing http://www.thinklemon.com/weblog/2005/06/22/turning-off-the-friendly-http-error-messages-in-firefox/ it to be enabled or disabled. This tweak can be easily applied using WinGuides Tweak Manager.Download a free trial now! Open your registry error messages and find the key mentioned below. Create a new string value, or modify the existing value, named 'Friendly http errors'. Modify the value to equal 'YES' to enable friendly errors or 'NO' to disable them. Exit your registry and restart IE for the changes to take show friendly http effect. (Default)REG_SZ(value not set) Friendly http errorsREG_SZ"Yes" HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main Registry Settings User Key: [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main] Value Name: Friendly http errors Data Type: REG_SZ (String Value) Value Data: Yes or No >> Recommended Download - check, repair and optimize your registry now with Registry Mechanic << Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk. Last modified: April 4, 2002 More Guides » Security Guide Support Forums Software Guide Scripting Guide Search PC Tools AntiVirus PC Software & Windows Tools | Copyright © 1998-2016 PC Tools. All rights reserved. Symantec | Norton | Verisign | Mobile Security News | Privacy Policy | Cookies | Legal Notices English日本語 English日本語
should have this turned off by default. How else will you know what the problem is? So here's how to do it: Open up a new tab (CTRL+T) or window (CTRL+N). Type in de addressbar: about:config. In the filterbar type: error and press enter. Now set the value of the ‘browser.xul.error_pages.enabled‘ to ‘true‘. Double clicking will do. Restart Firefox. Now you'll get extended warnings instead of the simple warning dialogs when, for example, you accidentaly link to a non-existant domain. Or, like me, the dreaded ‘The document contains no data'. If you don't know where to find this in IE: ‘Tools' > ‘Internet Options…' > ‘Advanced'-tab > Near the end of the ‘Browsing'-section. > Uncheck. Author CasparPosted on June 22, 2005June 22, 2005Categories Browsers, Design, Development, Firefox, General, Internet, Internet Explorer, Intranet, Webdesign, WebDev 9 thoughts on “Turning off the ‘friendly HTTP error messages' in Firefox” Pingback: The Code Couch - urning off friendly HTTP error messages in Firefox Pingback: Code Couch » Turning off friendly HTTP error messages in Firefox s says: August 24, 2006 at 5:35 pm I tried this in Firefox and it has always been set to true, which is the default. However, I still get the friendly error messages. On another note, if I enter a URL (i.e spike), (which runs off to my localhost spike proxy), and the proxy is down, instaed it looks up on Google and sends the request to spiketv.com (or net), which is rather sad. Anyone know how to solve this one as well? Cheers,s Caspar says: August 24, 2006 at 11:26 pm This setting was only valid in the Fx1.0 days. When all you got was an alert box stating Firefox couldn't do something, instead of telling exactly what went wrong. Since 1.5 it's the other way around. Now you'll get an error page instead of a dialog box. (Setting it to false still reverts back to the dialog.) If Firefox cannot resolve the address (spike) it'll do an ‘Im feeling lucky' on Google. That's why you'll end up on ‘spiketv'. To tell Firefox to look on your localhost no matter what, you'll need to do some rerouting on your system (I assume). On Windows you'll need to alter the HOSTS-file and tell the OS ‘spike' is ‘127.0.0.1:(port)'. But look that up as it's too long a story to post here. Caspar says: August 24, 2006 at 11:45 pm On a sidenote: Roachfiend.com has a post on hacking Firefox' e