Re: How to set content-type header for ASP/HTML pages only ?
From: David Wang [Msft] (someone_at_online.microsoft.com)
Date: 02/20/04
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Date: Fri, 20 Feb 2004 08:27:56 -0800
MIME Type can be set on a per-URL basis all the way to global.
Global MIME Type changes require IIS Web Server restart (about a 5-10 second
process) to take effect. Other per-URL settings take effect immediately.
Reason I want a restart of IIS is because when you change IIS configuration
while running, it is *possible* that it is NEVER saved -- so if your server
crashes, upon restart, you will find all your prior settings just missing
(it's like making changes in Word, never saving, and then Word crashes --
you lose all the non-saved changes).
Restarting IIS forces a flush of the in-memory configuration changes to disk
(in effect, a "save"), and if anything crashes... you'll know sooner rather
than later who the culprit is. You can trigger the flush without restarting
IIS by writing a script on the commandline which uses IIS's administration
API, but usually, it's easier for people to understand restarting IIS
instead of telling them how to write scripts.
-- //David IIS This posting is provided "AS IS" with no warranties, and confers no rights. // "Alan Silver" <alan-silver@nospam.thanx> wrote in message news:Yg39tWDoANNAFwCs@nospamthankyou.spam... In article <eiCANjm9DHA.632@TK2MSFTNGP12.phx.gbl>, "David Wang [Msft]" <someone@online.microsoft.com> writes >Character encoding, per the HTTP 1.1 spec on W3C, is a part of Content-Type >(what is transmitted over the wire is >Content-Encoding(Content-Type(data)) ). IIS supports this feature via MIME >Map, which sets Content-Type on a per-extension basis (including "all" >extensions). > >Thus, you should configuration the MIME Map setting on IIS (it's right below >where you set Custom HTTP response headers). It can be set to take effect >globally unless you override it with another MIME Map setting. You will >have to restart IIS for the changes to take effect (you don't have to, but >I'm having you to it to be safe for other reasons). > >If you do not wish to use built in functionality exposed via the UI, feel >free to write your own custom ISAPI Filter to implement your desired >functionality. > >BTW: I just set the MIME Map for .html to "text/html; charset=ISO-8859-1" at >the per website level, and instantly, only requests to .html on that website >returned "Content-Type: text/html; charset=ISO-8859-1". It seems like it's >what you were looking for. David, Thanx very much, that explains it fine. I just tried it on a test server here and it seems to be OK. I didn't realise that you could add the encoding in with the content type. Just out of interest, why do you say the server should be restarted "for other reasons" ? I don't really want to restart the production server more than I have to as it is accessed 24x7. Thanx again >-- >//David >IIS >This posting is provided "AS IS" with no warranties, and confers no rights. >// >"Alan Silver" <alan-silver@nospam.thanx> wrote in message >news:sZ+gzgEJJlMAFwvV@nospamthankyou.spam... >In article <ebV#DPO9DHA.2404@TK2MSFTNGP11.phx.gbl>, "David Wang [Msft]" ><someone@online.microsoft.com> writes >>The right way to do this association is with a MIME-Type (IIS can configure >>this on a per-URL level, meaning you can even make SOME ASP pages return >>custom values but not others, depending on URL scope), which allows you to >>set the value of the Content-Type header on a per-extension basis. This >>requires restarting IIS for it to take effect. >> >>What you were doing was setting headers that IIS sends on all requests, >>which is valid for other uses, just not for Content-Type. > >Thanx for the reply. > >I thought that MIME types were only for setting the content type. I want >to set the character encoding. I was doing it via a Content-Type header >as that was a) the way suggested by the W3C and b) 'cos I didn't know >any other way to do it for the whole server. > >Do you know how to set the character encoding for all ASP/HTML pages >served ? TIA > >>"Alan Silver" <alan-silver@nospam.thanx> wrote in message >>news:TwL$pdLdJPMAFwLh@nospamthankyou.spam... >>Hello, >> >>I would like to set the content-type HTTP header for Content-Type. I >>tried adding the header :- >> >>Content-Type: text/html; charset=ISO-8859-1 >> >>as recommended by the W3C, but this sends this header for *all* files >>served, not just ASP and HTML. For example, it sends the header for CSS >>files, which causes the validators to choke. >> >>Is there any way to set the Content-Type specific to file type ? I >>searched Google, but didn't find anything on this. It seems strange to >>be able to set a global Content-Type, but not be able to associate it >>with a file type. >> >>TIA >> >>P.S. I am using IIS4 on NT4 Server if it makes any difference. >> > -- Alan Silver
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