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  • Chrome not sending POST requests on localhost, Firefox works fine

    - by AP257
    I have copied the simple Django forms example exactly, running on localhost. The basic contact form example should submit a POST request when you click the Submit button. I'm running Chrome on Mac Snow Leopard, and whenever I submit the form, the page simply reloads with an empty form: I can see from the runserver output that it's not sending a POST - instead it's sending a GET request. If I open the same page in Firefox on Mac Snow Leopard, and submit the form, I can see it's sending a POST request (as it should be). Looking at the source in Chrome, the form definitely says method="post". <form action="/contact/" method="post"> <p><label for="id_subject">Subject:</label> <input id="id_subject" type="text" name="subject" maxlength="100" /></p> <p><label for="id_message">Message:</label> <input type="text" name="message" id="id_message" /></p> <p><label for="id_sender">Sender:</label> <input type="text" name="sender" id="id_sender" /></p> <p><label for="id_cc_myself">Cc myself:</label> <input type="checkbox" name="cc_myself" id="id_cc_myself" /></p> <input type="submit" value="Submit" /> </form> External sites with POST forms seem to work OK in Chrome. In addition, if I fill the form in incorrectly, in Chrome the page just reloads, with a GET request, as before; in Firefox the form gets validated, as it should. I've tried with other POST forms on localhost and got the same result. I know Chrome for Mac has its quirks, but what on earth is going on?

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  • Is there any way to "peek" at a file while it's uploading through HTTP onto a Windows box?

    - by iisystems
    I need to add a file upload function to an ASP.NET website and would like to be able to read a small portion of the file on the server while it's still uploading. A peek or preview type function so I can determine contents and give some feedback to the user while it is still uploading (we're talking about large files here). Is there any way to do this? I'm thinking worst case of writing a custom control which uploads only a fixed number of bytes of the file once chosen and then under the covers starts another upload of the full file. Not totally sure even this is possible, but I'm looking for a more elegant solution anyway... Thanks!

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  • What HTTP headers are required to refresh a page on back button.

    - by cantabilesoftware
    I'm trying to get a page to refresh when navigated to from the back button. From what I understand after reading around a bit I should just need to mark the page as uncacheable but I can't get any browsers to refresh the page. These are the headers I've currently got: Cache-Control:no-cache Connection:keep-alive Content-Encoding:gzip Content-Length:1832 Content-Type:text/html; charset=utf-8 Date:Mon, 07 Jun 2010 14:05:39 GMT Expires:-1 Pragma:no-cache Server:Microsoft-IIS/7.5 Vary:Accept-Encoding Via:1.1 smoothwall:800 (squid/2.7.STABLE6) X-AspNet-Version:2.0.50727 X-AspNetMvc-Version:2.0 X-Cache:MISS from smoothwall X-Powered-By:ASP.NET Why would the browser pull this page from it's browser history and not refresh it?

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  • HTTP compression - can I configure a client to compress the data sent to a server?

    - by lgomide
    Hello, I'm using IIS 7 as web server for my application. If I enable dynamic content compression in the server, will this also enable clients to send compressed data to the server, if they can? I mean, my application uses SOAP webservices, and clients usually send large chunks of data to the server. The clients are written in C#/.NET. Is there any kind of configuration I can do in a web reference / serice reference in order to tell them to compress the content before they send it to IIS? And do I have to do any kind of configuration in IIS in order for this to work? Thanks in advance

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  • Tool to monitor HTTP, TCP, etc. Web Service traffic

    - by huseyint
    What's the best tool that you use to monitor Web Service, SOAP, WCF, etc. traffic that's coming and going on the wire? I have seen some tools that made with Java but they seem to be a little crappy. What I want is a tool that sits in the middle as a proxy and does port redirection (which should have configurable listen/redirect ports). Are there any tools work on Windows to do this?

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  • How to use HTTP method DELETE on Google App Engine?

    - by Jader Dias
    I can use this verb in the Python Windows SDK. But not in production. Why? What am I doing wrong? The error message includes (only seen via firebug or fiddler) Malformed request or something like that My code looks like: from google.appengine.ext import db from google.appengine.ext import webapp class Handler(webapp.RequestHandler): def delete(self): key = self.request.get('key') item = db.get(key) item.delete() self.response.out.write(key)

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  • What is the best way to download files via HTTP using .NET?

    - by Shamika
    In one of my application I'm using the WebClient class to download files from a web server. Depending on the web server sometimes the application download millions of documents. It seems to be when there are lot of documents, performance vise the WebClient doesn't scale up well. Also it seems to be the WebClient doesn't immediately close the connection it opened for the WebServer even after it successfully download the particular document. I would like to know what other alternatives I have.

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  • HTTP DOM: request.use? Usage?

    - by Jim G.
    I'm looking at the following code block in javascript: var request = new Request(); if(request.Use()) // What exactly does this do? { // ...do stuff } else { // no ajax support? } I've never seen anyone invoke the request.Use() method. My Question: What exactly does request.Use() check? Does it in fact check for AJAX support? Can anyone redirect me to an online API reference?

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  • Android while getting HTTP response to file how to know it wasn't fully loaded?

    - by Stan
    I'm using this approach to store a big-sized response from server to parse it later: final HttpClient client = new DefaultHttpClient(new BasicHttpParams()); final HttpGet mHttpGetRequest = new HttpGet(strUrl); mHttpGetRequest.setHeader("Content-Type", "application/x-www-form-urlencoded"); FileOutputStream fos = null; try { final HttpResponse response = client.execute(mHttpGetRequest); final StatusLine statusLine = response.getStatusLine(); lastHttpErrorCode = statusLine.getStatusCode(); lastHttpErrorMsg = statusLine.getReasonPhrase(); if (lastHttpErrorCode == 200) { HttpEntity entity = response.getEntity(); fos = new FileOutputStream(reponseFile); entity.writeTo(fos); entity.consumeContent(); fos.flush(); } } catch (ClientProtocolException e) { e.printStackTrace(); lastHttpErrorMsg = e.toString(); return null; } catch (final ParseException e) { e.printStackTrace(); lastHttpErrorMsg = e.toString(); return null; } catch (final UnknownHostException e) { e.printStackTrace(); lastHttpErrorMsg = e.toString(); return null; } catch (IOException e) { e.printStackTrace(); lastHttpErrorMsg = e.toString(); } finally{ if (fos!=null) try{ fos.close(); } catch (IOException e){} } now how could I ensure the response was completely received and thus saved to file? Assume client's device lost Internet connection while this code was running. So the app received only some part of real response. And I'm pretty sure it happens cuz I got parsing exceptions like "tag not closed", "unexpected end of file" etc. So I need to detect somehow this situation to prevent code from parsing partial response but can't see how. Is it possible at all and how to do it? Or has it has to raise IOException in such cases?

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  • Has anyone properly interpreted HTTP request based on this demo of winpcap?

    - by httpinterpret
    The example is here, and I tried it by changing the filter to tcp and dst port 80 and the following: void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data) { .... ip_len = (ih->ver_ihl & 0xf) * 4; tcp_len = (((u_char*)ih)[ip_len + 12] >> 4) * 4; tcpPayload = (u_char*)ih + ip_len + tcp_len; /* start of url - skip "GET " */ url = tcpPayload + 4; end_url = strchr((char*)url, ' '); url_length = end_url - url; final_url = (u_char*)malloc(url_length + 1); strncpy((char*)final_url, (char*)url, url_length); final_url[url_length] = '\0'; printf("%s\n", final_url); .... } But through debug, I see tcpPayload is full of messy code,not supposed "GET ..." stuff. What's wrong with my implement?

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  • How to perform an action when a remote (Http) file changed?

    - by ZeissS
    Hi, I want to create a script that checks an URL and perform an action (download + unzip) when the "Last-Modified" header of the remote file changed. I thought about fetching the header with curl but then I have to store it somewhere for each file and perform a date comparison. Does anyone have a different idea using (mostly) standard unix tools? thanks

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  • HTTP Push from SQL Server — Comet SQL

    Article provides example solution for presenting data in "real-time" from Microsoft SQL Server in HTML browser. Article presents how to implement Comet functionality in ASP.NET and how to connect Comet with Query Notification from SQL Server.

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  • Stephen Forte visits IDEP Foundation Recipient of our post-tsunami .NET Charity Auction

    Earlier this week I got an email from Stephen Forte saying he was in Bali and would love to meet the folks from IDEP Foundation. IDEP is an Indonesian NGO for which Stephen and I coordinated a charity auction 5 years ago and raised $10,000. We raised another chunk of money in a repeat auction in June of that year as well. I sent an email to my dear friend Petra, a Canadian ex-pat, who runs IDEP. I met Petra through Keith Pleas who had connections to IDEP and was looking for help for them after...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Getting attacked, please what do I do?

    - by E3pO
    Getting millions of these requests! How can i stop these??? Gecko/20100101 Firefox/12.0" 173.59.227.11 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416620414 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 173.72.197.39 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416641552 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 2.222.7.143 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416647004 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 62.83.154.11 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416572373 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 65.35.221.207 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416453921 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; BOIE8;ENUS)" 68.40.182.244 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338415880184 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20100101 Firefox/12.0" 99.244.26.33 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338384208421 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0" 65.12.234.229 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338415812217 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 173.59.227.11 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416620415 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 68.40.182.244 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338415881181 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20100101 Firefox/12.0" 188.82.242.197 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338414398872 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Gecko/20100101 Firefox/12.0" 99.244.26.33 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338384208454 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0" 173.59.227.11 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416620424 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 68.40.182.244 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338415882180 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20100101 Firefox/12.0" 65.12.234.229 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338415812229 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 95.34.134.51 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416367865 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5" 65.35.221.207 - - [30/May/2012:18:23:45 -0400] "GET /?id=1338416453937 HTTP/1.1" 200 28 "http://108.166.97.22/" "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; BOIE8;ENUS)" How can i filter GET requests containing "http://108.166.97.22/" ?

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  • /server-status shows over 240 requests like "OPTIONS * HTTP/1.0" 200 - "-" "Apache (internal dummy c

    - by Stefan Lasiewski
    Some details: Webserver: Apache/2.2.13 (FreeBSD) mod_ssl/2.2.13 OpenSSL/0.9.8e OS: FreeBSD 7.2-RELEASE This is a FreeBSD Jail. I believe I use the Apache 'prefork' MPM (I run the default for FreeBSD). I use the default values for MaxClients (256) I have enabled mod_status, with "ExtendedStatus On". When I view /server-status , I see a handful of regular requests. I also see over 240 requests from the 'localhost', like these. 37-0 - 0/0/1 . 0.00 1510 0 0.0 0.00 0.00 127.0.0.2 www.example.gov OPTIONS * HTTP/1.0 38-0 - 0/0/1 . 0.00 1509 0 0.0 0.00 0.00 127.0.0.2 www.example.gov OPTIONS * HTTP/1.0 39-0 - 0/0/3 . 0.00 1482 0 0.0 0.00 0.00 127.0.0.2 www.example.gov OPTIONS * HTTP/1.0 40-0 - 0/0/6 . 0.00 1445 0 0.0 0.00 0.00 127.0.0.2 www.example.gov OPTIONS * HTTP/1.0 I also see about 2417 requests yesterday from the localhost, like these: Apr 14 11:16:40 192.168.16.127 httpd[431]: www.example.gov 127.0.0.2 - - [15/Apr/2010:11:16:40 -0700] "OPTIONS * HTTP/1.0" 200 - "-" "Apache (internal dummy connection)" The page at http://wiki.apache.org/httpd/InternalDummyConnection says "These requests are perfectly normal and you do not, in general, need to worry about them", but I'm not so sure. Why are there over 230 of these? Are these active connections? If I have "MaxClients 256", and over 230 of these connections, it seems that my webserver is dangerously close to running out of available connections. It also seems like Apache should only need a handful of these "internal dummy connections" We actually had two unexplained outages last night, and I am wondering if these "internal dummy connection" caused us to run out of available connections. UPDATE 2010/04/16 It is 8 hours later. The /server-status page still shows that there are 243 lines which say "www.example.gov OPTION *". I believe these connections are not active. The server is mostly idle (1 requests currently being processed, 9 idle workers). There are only 18 active httpd processes on the Unix host. If these connections are not active, why do they show up under /server-status? I would have expected them to expire a few minutes after they were initialized.

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  • Blog post every SharePoint developer should read

    - by ybbest
    I will continuously update the list while I keep diving into SharePoint 2010 SharePoint 2010 and web templates By Vesa Juvone Tools of a SharePoint Consultant – the 2010 edition By Sahil Malik A SharePoint Developer’s Toolchest By Sahil malik Building SharePoint Applications with InfoPath 2010 By David Gerhardt WCM Creating a Page Layout in SharePoint 2010 using Visual Studio 2010 By Becky Bertram

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  • Dealing with HTTP w00tw00t attacks

    - by Saif Bechan
    I have a server with apache and I recently installed mod_security2 because I get attacked a lot by this: My apache version is apache v2.2.3 and I use mod_security2.c This were the entries from the error log: [Wed Mar 24 02:35:41 2010] [error] [client 88.191.109.38] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:) [Wed Mar 24 02:47:31 2010] [error] [client 202.75.211.90] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:) [Wed Mar 24 02:47:49 2010] [error] [client 95.228.153.177] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:) [Wed Mar 24 02:48:03 2010] [error] [client 88.191.109.38] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /w00tw00t.at.ISC.SANS.DFind:) Here are the errors from the access_log: 202.75.211.90 - - [29/Mar/2010:10:43:15 +0200] "GET /w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 392 "-" "-" 211.155.228.169 - - [29/Mar/2010:11:40:41 +0200] "GET /w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 392 "-" "-" 211.155.228.169 - - [29/Mar/2010:12:37:19 +0200] "GET /w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 392 "-" "-" I tried configuring mod_security2 like this: SecFilterSelective REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind" SecFilterSelective REQUEST_URI "\w00tw00t\.at\.ISC\.SANS" SecFilterSelective REQUEST_URI "w00tw00t\.at\.ISC\.SANS" SecFilterSelective REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind:" SecFilterSelective REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind:\)" The thing in mod_security2 is that SecFilterSelective can not be used, it gives me errors. Instead I use a rule like this: SecRule REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind" SecRule REQUEST_URI "\w00tw00t\.at\.ISC\.SANS" SecRule REQUEST_URI "w00tw00t\.at\.ISC\.SANS" SecRule REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind:" SecRule REQUEST_URI "w00tw00t\.at\.ISC\.SANS\.DFind:\)" Even this does not work. I don't know what to do anymore. Anyone have any advice? Update 1 I see that nobody can solve this problem using mod_security. So far using ip-tables seems like the best option to do this but I think the file will become extremely large because the ip changes serveral times a day. I came up with 2 other solutions, can someone comment on them on being good or not. The first solution that comes to my mind is excluding these attacks from my apache error logs. This will make is easier for me to spot other urgent errors as they occur and don't have to spit trough a long log. The second option is better i think, and that is blocking hosts that are not sent in the correct way. In this example the w00tw00t attack is send without hostname, so i think i can block the hosts that are not in the correct form. Update 2 After going trough the answers I came to the following conclusions. To have custom logging for apache will consume some unnecessary recourses, and if there really is a problem you probably will want to look at the full log without anything missing. It is better to just ignore the hits and concentrate on a better way of analyzing your error logs. Using filters for your logs a good approach for this. Final thoughts on the subject The attack mentioned above will not reach your machine if you at least have an up to date system so there are basically no worries. It can be hard to filter out all the bogus attacks from the real ones after a while, because both the error logs and access logs get extremely large. Preventing this from happening in any way will cost you resources and they it is a good practice not to waste your resources on unimportant stuff. The solution i use now is Linux logwatch. It sends me summaries of the logs and they are filtered and grouped. This way you can easily separate the important from the unimportant. Thank you all for the help, and I hope this post can be helpful to someone else too.

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  • TMG Forefront Proxy blocking internal HTTP requests

    - by Pascal
    I have TMG Forefront with Proxy installed and configured. However, whenever I make internal HTTP requested to servers on the internal network with a fully qualified dns name, the proxy denies the connection. Denied Connection FRW-02 18/03/2011 20:06:37 Log type: Web Proxy (Forward) Status: 12202 Forefront TMG denied the specified Uniform Resource Locator (URL). Rule: Default rule Source: Internal (10.50.75.21:21492) Destination: Internal (10.50.75.10:8080) Request: GET http://app-01.mydomain.com.br:9871/internalwebserver_deploy/MyServiceService.svc?wsdl Filter information: Req ID: 0a157279; Compression: client=No, server=No, compress rate=0% decompress rate=0% Protocol: http User: anonymous How can I get around this block? This is an internal call, so it should block it. If I use only http://app-01:9871/internalwebserver_deploy/MyServiceService.svc?wsdl, without the domain after the server name, then it doesn't get blocked. 10.50.75.10 is the firewall's ip, and the internal network's gateway.

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  • Little PM side post...

    - by edgaralgernon
    When adding new team memebers... off set the ramp up time by 1) having pre built machines ready and and easy method of getting the lastest tools, code base etc. I'm fortunate enough to be at a client that has a machine ready built and loaded when the dev arrives, all they have to do is grab the code. 2) have tasks broken down so that dependencies are as minimal as possible. In other words, to over come the mythical man month issue (as recently mentioned on slashdot) make sure the tasks you hand out have few dependencies on each other. That way the new dev is able to be productive fairly quickly. Here's our historical lead time... the bump in Jan is due to added work, by 2/18 we had added 4 new people over the last two weeks. And amazing the time starts coming down: Here's our averag work time: again time ramps up as we are adding more tasks, but then starts inching back down through out Feb and March. It's not that we beat the Mythical Man Month, and in fact I still believe the book and idea are highly relevant. But if you can break the tasks down and reduce the dependencies between the task then you can mitigate the effect. The tool used in this case is from AgileZen.com and some of the wild swings are due to inexperience with the system initially... but our average times as measured by the tool are matching real life. Also the tool appearst to measure in 24 hour days and 7 day weeks. so it isn't as bad as it looks. :-)

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