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  • In Nginx, can I handle both a location:url or a content-type: text/html response from memcached?

    - by Sean Foo
    I'm setting up an nginx - apache reverse proxy where nginx handles the static files and apache the dynamic. I have a search engine and depending on search parameter I either directly forward the user to the page they are looking for or provide a set of search results. I cache these results in memcached as key:/search.cgi?q=foo value: LOCATION:http://www.example.com/foo.html and key:/search.cgi?q=bar value: CONTENT-TYPE: text/html <html> .... .... </html> I can pull the "Content-type...." values out of memcached using nginx and send them to the user, but I can't quite figure out how to handle a returned value like "Location..." Can I?

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  • nginx howto correct the path from a back-end server redirect response under a virtual directory

    - by noname
    The following was my deployed servers: client ------ nginx proxy(example.com) ------ back-end server(192.168.1.20) The nginx proxy's external URL was configured under a virtual directory http://example.com/demo/ The back-end server was configure to http://192.168.1.20:8080/ the following was part of the nginx configure file: location /demo { proxy_pass http://192.168.1.20:8080/; proxy_redirect default; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } When the back-end server send a redirect response (HTTP CODE 302) with LOCATION head field "http://192.168.1.20/subdir/", the nginx map this LOCATION header field to "http://example.com/subdir/", not the disired "http://example.com/demo/subdir/"

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  • Hiding a HTTP Auth-Realm by sending 404 to non-known IPs?

    - by zhenech
    I have an Apache (2.2) serving a web-app on example.com. That web-app has a debug-page reachable via example.com/debug. /debug is currently protected with a HTTP basic auth. As there is only a very small user-base who has access to the debug-page, I would like to hide it based on IP address and return 404 to clients not accessing from our VPN. Serving a 404 based on IP-address only is easy and is described in http://serverfault.com/a/13071. But as soon I add authentication, the users see a 401 instead of a 404. Basically, what I need is: if ($REMOTE_ADDR ~ 10.11.12.*): do_basic_auth (aka return 401) else: return 404

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  • What happens when a HTTP request is terminated prematurely?

    - by Gowtham
    Suppose, I enter a URL in my browser and browser submits the HTTP request. The remote HTTP server accepts the request and initiates a long task to serve the request. If I terminate the request before it is complete (for example, press Esc or in Firefox), how is the request closed? Will the browser communicate this abort request to the server (I think it doesn't)? Presuming no, upon completion of the long task, what will the server do with the result? Does it send it back anyway? If it does, what will happen? Does it reach till my PC? Or gets lost on the way? This is just for my curiosity. Thanks for your time :)

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  • Are there other application layer firewalls like Microfot TMG (ISA) that do advanced http rules?

    - by Bret Fisher
    Since the old days ISA and now TMG have had several great features that I often want to deploy to my customers because of the enhanced functionality and security, but often the cost of an additinal server HW, Windows Server, and TMG license is too much to justify when compaired to a $300-500 appliance. Are there other gateway firewalls that can perform one or more of these application layer features: pre-auth incoming http traffic against AD/LDAP before sending packets to internal server (forms auth or basic creds popup)? read host headers of incoming http traffic (even on https) to a single public IP and route packets to different internal servers based on that host header?

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  • SharePoint MOSS - Serve HTTP content on an HTTPS page without Mixed Content Warning?

    - by kcb263
    Our "portal-like" SharePoint site is served using HTTPS/SSL. So a user goes to https://web.company.com and sees content and different Web Parts. So far, no problem. The desire now is to have new Web Parts added that either frame HTTP content (such as Weather Bug) or HTTP RSS feeds. The issue that arises is that by doing this, results in a "Mixed Content" warning in the browser. Has anybody successfully been able to implement such a scenario, or one similar to it? The options we have looked at, unsuccessfully, have been: using Apache Reverse Proxy Server mirror an external site Custom Web Parts

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  • Simple HTTP server that will send the same file for all requests?

    - by Rory McCann
    I need to debug a XML-RPC application, which sends XML replies over HTTP. I have a sample XML reply (i.e. data from the server, sent to the client that isn't working), I'd like to debug my application. Ideally I'd like a simple HTTP server that will serve one file in reply to all requests. Someone requests /? Send them this file. Someone makes a post to /server/page.php with a certain cookie? Just send them this file. I don't care about multithreading, or security. I will only need to use this for a few hours to debug. I have root on the machine. i.e. I'm hoping there's something as easy to use as this: simple_http_server -p 12445 -f my_test_file I'm aware of python's SimpleHTTPServer module, but I'm not sure how to make it work in this case.

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  • Do not expose enum in WCF response

    - by Michael Freidgeim
    We had a backward compatibility problem in WCF client, when in Service application a new value was added to one of enums. We discussed different ways to avoid this backward compatibility issues, and I found recommendation do not expose enum in wcf response in http://stackoverflow.com/a/788281/52277.It is still required to create new versions of our service interfaces to replace each enum fields with string field, that expects only documented values, and describe, what should be default behavior, if field has an unexpected value.

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  • How do I capture and playback http web requests against multiple web servers?

    - by KevM
    My overall goal is to not interrupt a production system while capturing HTTP Posts to a web application so that I can reverse engineer the telemetry coming from a closed application. I have control over the transmitter of the HTTP Posts but not the receiving web application. It seems like I need a request "forking" proxy. Sort of a reverse proxy that pushes the request to 2 endpoints, a master and slave, only relaying the response from the master endpoint back to the requester. I am not a server geek so something like this may exist but I don't know the term of art for what I am looking for. Another possibility could be a simple logging proxy. Capture a log of the web requests. Rewrite the log to target my "slave" web application. Playback the log with curl or something. Thank you for your assistance.

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  • Serving WordPress menu links in only HTTPS or HTTP depending on how it's accessed

    - by Gelatin
    I have a WordPress site which uses WordPress HTTPS to enable SSL when users access it via that protocol. However, currently the menu links point back to the HTTP version. I want users to be linked to HTTPS pages while accessing the site over HTTPS, but not when accessing it over HTTP. Is this possible? Note: I have tried changing the menu options to use // and / for the links, but in both cases they are just rendered as HTTP links.

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  • How do I get the size of a response from a Spring 2.5 HTTP remoting call?

    - by aarestad
    I've been poking around the org.springframework.remoting.httpinvoker package in Spring 2.5 trying to find a way to get visibility into the size of the response, but I keep going around in circles. Via another question I saw here, I think what I want to do is get a handle on the InputStream that represents the response from the server, and then wrap it with an Apache commons-io CountingInputStream. What's the best way to go about doing this? For the moment, I'd be happy with just printing the size of the response to stdout, but eventually I want to store it in a well-known location in my app for optional display.

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  • Opening response stream in silverlight

    - by John Maloney
    Hello, I am attempting to return a image from a server using Silverlight 3. The server returns the Response stream like this: context.Response.ContentType = imageFactory.ContentType imgStream.WriteTo(context.Response.OutputStream) imgStream.Close() context.Response.End() On the Silverlight client I am handling the stream like: Dim request As HttpWebRequest = result.AsyncState Dim response As HttpWebResponse = request.EndGetResponse(result) Dim responseStream As IO.Stream = response.GetResponseStream() I want to take that stream and open the browsers save dialog, one option I have explored is using the Html.Window.Navigate(New Uri("image url")) and this opened the correct browser default dialog but it is not an option because I need to send extended information(e.g. XML) to the server through the HttpRequest.Headers.Item and the Navigate doesn't allow this. How can I take a Response Stream and force the default browser Save dialog to appear from the Silverlight Application without using the Html.Window.Navigate(New Uri("image url"))?

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  • Help with IE bugs when writing JSON via an ASPX response

    - by Jereme
    I have an ASPX page that I am using to write JSON. It works great in Firefox and Chrome, but when I try and use it in IE 8 it gives me an "The XML page cannot be displayed" error instead of allowing jQuery to load the JSON being written by the response. Any ideas? Here is what my code looks like: protected override void OnLoad(EventArgs e) { Response.Clear(); Response.ClearHeaders(); Response.ContentType = "application/json"; Response.Cache.SetCacheability(HttpCacheability.NoCache); Response.Write(string.Format("[ {{ \"Foo\": \"{0}\", \"bar\": \"{1}\" }} ]", "Foo Content", "Bar Content")); Response.End(); }

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  • RESTful issue with data access when using HTTP DELETE method ...

    - by Wilhelm Murdoch
    I'm having an issue accessing raw request information from PHP when accessing a script using the HTTP DELETE directive. I'm using a JS front end which is accessing a script using Ajax. This script is actually part of a RESTful API which I am developing. The endpoint in this example is: http://api.site.com/session This endpoint is used to generate an authentication token which can be used for subsequent API requests. Using the GET method on this URL along with a modified version of HTTP Basic Authentication will provide an access token for the client. This token must then be included in all other interactions with the service until it expires. Once a token is generated, it is passed back to the client in a format specified by an 'Accept' header which the client sends the service; in this case 'application/json'. Upon success it responds with an HTTP 200 Ok status code. Upon failure, it throws an exception using the HTTP 401 Authorization Required code. Now, when you want to delete a session, or 'log out', you hit the same URL, but with the HTTP DELETE directive. To verify access to this endpoint, the client must prove they were previously authenticated by providing the token they want to terminate. If they are 'logged in', the token and session are terminated and the service should respond with the HTTP 204 No Content status code, otherwise, they are greeted with the 401 exception again. Now, the problem I'm having is with removing sessions. With the DELETE directive, using Ajax, I can't seem to access any parameters I've set once the request hits the service. In this case, I'm looking for the parameter entitled 'token'. I look at the raw request headers using Firebug and I notice the 'Content-Length' header changes with the size of the token being sent. This is telling me that this data is indeed being sent to the server. The question is, using PHP, how the hell to I access parameter information? It's not a POST or GET request, so I can't access it as you normally would in PHP. The parameters are within the content portion of the request. I've tried looking in $_SERVER, but that shows me limited amount of headers. I tried 'apache_request_headers()', which gives me more detailed information, but still, only for headers. I even tried 'file_get_contents('php://stdin');' and I get nothing. How can I access the content portion of a raw HTTP request? Sorry for the lengthy post, but I figured too much information is better than too little. :)

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  • Trouble determining proper decoding of a REST response from an ArcGIS REST service using IHttpModule

    - by Ryan Taylor
    First a little background on what I am trying to achieve. I have an application that is utilizing REST services served by ArcGIS Server and IIS7. The REST services return data in one of several different formats. I am requesting a JSON response. I want to be able to modify the response (remove or add parameters) before the response is sent to the client. However, I am having difficulty converting the stream to a string that I can modify. To that end, I have implemented the following code in order to try to inspect the stream. SecureModule.cs using System; using System.Web; namespace SecureModuleTest { public class SecureModule : IHttpModule { public void Init(HttpApplication context) { context.BeginRequest += new EventHandler(OnBeginRequest); } public void Dispose() { } public void OnBeginRequest(object sender, EventArgs e) { HttpApplication application = (HttpApplication) sender; HttpContext context = application.Context; HttpRequest request = context.Request; HttpResponse response = context.Response; response.Filter = new ServicesFilter(response.Filter); } } } ServicesFilter.cs using System; using System.IO; using System.Text; namespace SecureModuleTest { class ServicesFilter : MemoryStream { private readonly Stream _outputStream; private StringBuilder _content; public ServicesFilter(Stream output) { _outputStream = output; _content = new StringBuilder(); } public override void Write(byte[] buffer, int offset, int count) { _content.Append(Encoding.UTF8.GetString(buffer, offset, count)); using (TextWriter textWriter = new StreamWriter(@"C:\temp\content.txt", true)) { textWriter.WriteLine(String.Format("Buffer: {0}", _content.ToString())); textWriter.WriteLine(String.Format("Length: {0}", buffer.Length)); textWriter.WriteLine(String.Format("Offset: {0}", offset)); textWriter.WriteLine(String.Format("Count: {0}", count)); textWriter.WriteLine(""); textWriter.Close(); } // Modify response _outputStream.Write(buffer, offset, count); } } } The module is installed in the /ArcGIS/rest/ virtual directory and is executed via the following GET request. http://localhost/ArcGIS/rest/services/?f=json&pretty=true The web page displays the expected response, however, the text file tells a very different (encoded?) story. Expect Response {"currentVersion" : "10.0", "folders" : [], "services" : [ ] } Text File Contents Buffer: ? ?`I?%&/m?{J?J??t??`$?@??????iG#)?*??eVe]f@????{???{???;?N'????\fdl??J??!????~|?"~?G?u]???'?)??G?????G??7N????W??{?????,??|?OR????q? Length: 4096 Offset: 0 Count: 168 Buffer: ? ?`I?%&/m?{J?J??t??`$?@??????iG#)?*??eVe]f@????{???{???;?N'????\fdl??J??!????~|?"~?G?u]???'?)??G?????G??7N????W??{?????,??|?OR????q?K???!P Length: 4096 Offset: 0 Count: 11 Interestingly, Fiddler depicts a similar picture. Fiddler Request GET http://localhost/ArcGIS/rest/services/?f=json&pretty=true HTTP/1.1 Host: localhost Connection: keep-alive User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.70 Safari/533.4 Referer: http://localhost/ArcGIS/rest/services Cache-Control: no-cache Pragma: no-cache Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 Cookie: a=mWz_JFOusuGPnS3w5xx1BSUuyKGB3YZo92Dy2SUntP2MFWa8MaVq6a4I_IYBLKuefXDZANQMeqvxdGBgQoqTKz__V5EQLHwxmKlUNsaK7do. Fiddler Response - Before Clicking Decode HTTP/1.1 200 OK Content-Type: text/plain;charset=utf-8 Content-Encoding: gzip ETag: 719143506 Server: Microsoft-IIS/7.5 X-Powered-By: ASP.NET Date: Thu, 10 Jun 2010 01:08:43 GMT Content-Length: 179 ????????`I?%&/m?{J?J??t??`$?@??????iG#)?*??eVe]f@????{???{???;?N'????\fdl??J??!????~|?"~?G?u]???'?)??G?????G??7N????W??{?????,??|?OR????q?K???! P??? Fiddler Response - After Clicking Decode HTTP/1.1 200 OK Content-Type: text/plain;charset=utf-8 ETag: 719143506 Server: Microsoft-IIS/7.5 X-Powered-By: ASP.NET Date: Thu, 10 Jun 2010 01:08:43 GMT Content-Length: 80 {"currentVersion" : "10.0", "folders" : [], "services" : [ ] } I think that the problem may be a result of compression and/or chunking of data (this might be why I am receiving two calls to ServicesFilter.Write(...), however, I have not yet been able to solve the issue. How might I decode, unzip, and otherwise convert the byte stream into the string I know it should be for modification by my filter?

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  • GNU Screen: using VT100 ASCII codes

    - by Heoa
    I try to move with the VT100 keys here in GNU Screen: $ screen $ hello <left><left> ESC C ESC D but "ESC D" deletes until the end of line and ESC C does nothing. Perhaps, I am not using right VT100 emulation. How can I test it and how can I get the ASCII codes working from commandline with Screen?

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  • Windows 2008 IIS 7.0 HTTP to HTTPS Redirect -- Versus IIS 6.0 Mechanism

    - by Dan7el
    This topic, creating a mechanism for redirection from HTTP to HTTPS on a Windows 2008 server running IIS 7.0 is a much written-about topic on the Internet. How this is done is really not so much my issue. My issue is more of explaining why this can't be done with the standard HTTP Redirect module that ships with Windows 2008 IIS 7.0. Instead, there are other methods needed that are more arduous. First, the IIS 6.0 method requires no externally available modules nor does it require any additional modifications to the web.config or any type of other development effort. It's outlined here: http://blogs.microsoft.co.il/blogs/dorr/archive/2009/01/13/how-to-force-redirection-from-http-to-https-on-iis-6-0.aspx And, you can see the basic steps are to run the snap-in, get the properties on the site, and do some modifications. Presto, you have the HTTP -- HTTP redirect setup. Now, on the IIS 7.0 platform, it doesn't seem this simple. An initial search found the following site: http://www.sslshopper.com/iis7-redirect-http-to-https.html Which has two separate approcates: 1. Involves installing a separately available Microsoft module -- URL Rewrite Module, and then adding XML to the web.config. 2. Custom Error Page. ...there might be other methods, but these are the basic ones and the first is listed as the primary method. But wait...There exists on the IIS 7.0 an HTTP Redirect Module. So...why can't I use the HTTP Redirect Module to do this very thing? This is really my big question. I need to know this because my management is going to insist I use the HTTP Redirect Module and set up the HTTP to HTTPS redirect in a similar fashion to how we do in IIS 6.0. Can someone please explain to me, in clean, simple, easy to understand, terms that both I and my management can understand as to why I need to go get the URL Rewrite Module and install that on the server and make the web.config changes suggested by the article instead of simply using the HTTP Redirect module that's already installed on the site? Thanks a bunch.

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  • Is there a simple LDAP-to-HTTP gateway out there?

    - by larsks
    We have a local LDAP directory that provides basic contact information about our user community. We would like to integrate this into some third-party hosted services that allow us to implement widgets that run arbitrary Javascript. In order to connect Javascript to our LDAP directory, I would like to set up a simple LDAP-to-HTTP proxy that would accept HTTP GET requests, translate them into an appropriate LDAP query, and respond with directory information as JSON-encoded data. In an ideal world, something like this: GET /[email protected] Would get me something like this: { "cn": "Bob Person", "title": "System Administrator", "sn": "Person", "mail": "[email protected]", "telepehoneNumber": "617-555-1212", "givenName": "Bob" } (And this obviously assumes that the web application has locally configured information about what base DN to use, how to authenticate, etc). I guess I could write one...but surely something like this already exists? UPDATE The consensus seems to be that there isn't a pre-existing solution out there and that I should just get off my lazy derriere and write one. So I did, and it's here. It's not especially pretty, but it works for my prototyping and I figure maybe someone else will find it useful someday.

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  • Simple Linux program that takes any HTTP/HTTPS request and returns a single page?

    - by ultrasawblade
    I have a Linux box operating as router. There's a NIC that's connected to the internet (WAN), a NIC connected to an 8-port GbE switch (LAN), and a NIC connected to a Linksys wireless N-router (WLAN). Routing between everything is working perfectly. I have security completely disabled on the wireless router, but the WLAN NIC is firewalled such that it will only accept DNS queries and PPTP VPN connections. Currently HTTP/HTTPS traffic and everything else is blocked. I would like to run something that listens on port 80/443 of the WLAN NIC, and, for non VPN'ed connections, given any HTTP/HTTPS request it will return a single webpage saying "Unauthenticated" and explain how to sign into the VPN. A transparent proxy seems to be what I need, but my searches all seem to direct me to Squid, which is already running on my server and seems overkill for this simple task. Is there a simpler, lightweight program out there that does just this or should I just suck it up and run two instances of Squid (or figure out how to configure it)? Or, is this entire VPN thing I'm doing complete nonsense and I should just enable encryption on the wireless router?

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  • Referer is passed from HTTPS to HTTP in some cases... How?

    - by ravisorg
    In theory browsers do not pass on referer information from HTTPS to HTTP sites. And in my experience this has always been true. But I just found an exception, and I want to understand why it works so I can use it as well. Search for "what is my referer" on https://www.google.ca/ eg: https://www.google.ca/search?q=what+is+my+referer There are a few sites that will show referer. They all seem to "work" when they shouldn't. For example, click the www.whatismyreferer.com one. I get: Your referer: https://www.google.ca/ Note that sometimes, rarely, I get "no referer" as the result. Go back and click the link again and it'll "work" the next time. This should not happen. www.whatismyreferer.com is a non-HTTPS site. The referer header should not be being passed, but it is. What's going on here, and how can I do the same from my HTTPS site to the HTTP sites I'm linking to?

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  • Mirth: Transforming a response message in a separate Channel and returning it to original channel

    - by Ryan H
    I have a channel that takes HL7v2 message and converts it to HL7v3. It invokes a SOAP web service and receives a response in HL7v3. I need to convert that response back to HL7v2. Currently: I "Send Response to:" my second channel. That can convert it fine back to HL7v2, but it doesn't seem to return a response message. I want that second transformation to be the response to the initiator which is an LLP Listener.

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  • Some questions about writing on ASP.NET response stream

    - by vtortola
    Hi, I'm making tests with ASP.NET HttpHandler for download a file writting directly on the response stream, and I'm not pretty sure about the way I'm doing it. This is a example method, in the future the file could be stored in a BLOB in the database: public void GetFile(HttpResponse response) { String fileName = "example.iso"; response.ClearHeaders(); response.ClearContent(); response.ContentType = "application/octet-stream"; response.AppendHeader("Content-Disposition", "attachment; filename=" + fileName); using (FileStream fs = new FileStream(Path.Combine(HttpContext.Current.Server.MapPath("~/App_Data"), fileName), FileMode.Open)) { Byte[] buffer = new Byte[4096]; Int32 readed = 0; while ((readed = fs.Read(buffer, 0, buffer.Length)) > 0) { response.OutputStream.Write(buffer, 0, readed); response.Flush(); } } } But, I'm not sure if this is correct or there is a better way to do it. My questions are: When I open the url with the browser, appears the "Save File" dialog... but it seems like the server has started already to push data into the stream before I click "Save", is that normal? If I remove the line"response.Flush()", when I open the url with the browser, ... I see how the web server is pushing data but the "Save File" dialog doesn't come up, (or at least not in a reasonable time fashion) why? When I open the url with a WebRequest object, I see that the HttpResponse.ContentLength is "-1", although I can read the stream and get the file. What is the meaning of -1? When is HttpResponse.ContentLength going to show the length of the response? For example, I have a method that retrieves a big xml compresed with deflate as a binary stream, but in that case... when I access it with a WebRequest, in the HttpResponse I can actually see the ContentLength with the length of the stream, why? What is the optimal length for the Byte[] array that I use as buffer for optimal performance in a web server? I've read that is between 4K and 8K... but which factors should I consider to make the correct decision. Does this method bloat the IIS or client memory usage? or is it actually buffering the transference correctly? Sorry for so many questions, I'm pretty new in web development :P Cheers.

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  • Help create a unit test for test response header, specifically Cache-Control, in determining if cach

    - by VajNyiaj
    Scenario: I have a base controller which disables caching within the OnActionExecuting override. protected override void OnActionExecuting(ActionExecutingContext filterContext) { filterContext.HttpContext.Response.Cache.SetExpires(DateTime.UtcNow.AddDays(-1)); filterContext.HttpContext.Response.Cache.SetValidUntilExpires(false); filterContext.HttpContext.Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches); filterContext.HttpContext.Response.Cache.SetCacheability(HttpCacheability.NoCache); //IE filterContext.HttpContext.Response.Cache.SetNoStore(); //FireFox } How can I create a Unit Test to test this behavior?

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