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• My website just got hacked - what do I tell my boss and client?

  - by Christopher Altman

  http://www.computerworld.com/s/article/9175783/Network_Solutions_sites_hacked_again One of our clients had a WordPress website on Network Solutions shared hosting. It got hacked. The resolution is to migrate the site over to one of our dedicated, private servers. This process will take 24-36 hours to complete. What do I say to my boss and client? Do I blame Network Solutions? Do I blame WordPress (we recommended it)? Do I just tell each person it is being fixed and everything is just fine?

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• How do I set up one time password authentication?

  - by scraimer

  I have a home network which I access remotely quite a bit. But I'm worried about security. While I do have strong passwords, I'm worried that someone will acquire my password and use it to gain access. I heard about "one time passwords" and even got to use them at my university. We'd just press a button on a device (or run an application on a phone) and get a generated password that would work for the next minute or so. How can I set something like that up? Are there systems that are easy to use and set up? Has anyone played around with an SDK of one of these systems? Where can I get a starter kit from? EDIT: I'm running a mixed Linux and Windows network, and I'm vaguely hoping to use this for authenticating on both operating systems. (No, there's no domain controller, but I can set one up using Samba, I suppose.)

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• PBKDF2-HMAC-SHA1

  - by Jason

  To generate a valid pairwise master key for a WPA2 network a router uses the PBKDF2-HMAC-SHA1 algorithm. I understand that the sha1 function is performed 4096 times to derive the PMK, however I have two questions about the process. Excuse the pseudo code. 1) How is the input to the first instance of the SHA1 function formatted? SHA1("network_name"+"network_name_length"+"network_password") Is it formatted in that order, is it the hex value of the network name, length and password or straight ASCII? Then from what I gather the 160 bit digest received is fed straight into another round of hashing without any additional salting. Like this: SHA1("160bit digest from last round of hashing") Rise and repeat. 2) Once this occurs 4096 times 256 bits of the output is used as the pairwise master key. What I don't understand is that if SHA1 produces 160bit output, how does the algorithm arrive at the 256bits required for a key? Thanks for the help.

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• ASIHttpRequest problems. "unrecognized selector sent to instance"

  - by Paul Peelen

  Hi, I am experiencing problems using ASIHttpRequst. This is the error I get: 2010-04-11 20:47:08.176 citybikesPlus[5885:207] *** -[CALayer rackDone:]: unrecognized selector sent to instance 0x464a890 2010-04-11 20:47:08.176 citybikesPlus[5885:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[CALayer rackDone:]: unrecognized selector sent to instance 0x464a890' 2010-04-11 20:47:08.176 citybikesPlus[5885:207] Stack: ( 33936475, 2546353417, 34318395, 33887862, 33740482, 126399, 445238, 33720545, 33717320, 40085013, 40085210, 3108783, 11168, 11022 ) And this is my code (Part of it): // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [image setImage:[UIImage imageNamed:@"bullet_rack.png"]]; BikeAnnotation *bike = [[annotationView annotation] retain]; bike._sub = @""; [super viewDidLoad]; NSString *newUrl = [[NSString alloc] initWithFormat:rackUrl, bike._id]; NSString *fetchUrl = [newUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; [networkQueue cancelAllOperations]; [networkQueue setRequestDidFinishSelector:@selector(rackDone:)]; [networkQueue setRequestDidFailSelector:@selector(processFailed:)]; [networkQueue setDelegate:self]; ASIFormDataRequest *request = [[[ASIFormDataRequest alloc] initWithURL:[NSURL URLWithString:fetchUrl]] retain]; [request setDefaultResponseEncoding:NSUTF8StringEncoding]; [networkQueue addOperation:request]; [networkQueue go]; } - (void)rackDone:(ASIHTTPRequest *)request { NSString *resultSearch = [request responseString]; NSData *data = [resultSearch dataUsingEncoding:NSUTF8StringEncoding]; NSString *errorDesc = nil; NSPropertyListFormat format; NSDictionary * dict = (NSDictionary*)[NSPropertyListSerialization propertyListFromData:data mutabilityOption:NSPropertyListMutableContainersAndLeaves format:&format errorDescription:&errorDesc]; rackXmlResult* fileResult = [[[rackXmlResult alloc] initWithDictionary:dict] autorelease]; rackXmlSet *rackSet = [fileResult getRackResult]; NSString *subString = [[NSString alloc] initWithFormat:@"Cyklar tillgängligt: %@ -- Lediga platser: %@", rackSet._ready_bikes, rackSet._empty_locks]; [activity setHidden:YES]; [image setHidden:NO]; BikeAnnotation *bike = [annotationView annotation]; bike._sub = subString; } - (void) processFailed:(ASIHTTPRequest *)request { UIAlertView *errorView; NSError *error = [request error]; NSString *errorString = [error localizedDescription]; errorView = [[UIAlertView alloc] initWithTitle: NSLocalizedString(@"Network error", @"Network error") message: errorString delegate: self cancelButtonTitle: NSLocalizedString(@"Close", @"Network error") otherButtonTitles: nil]; [errorView show]; [errorView autorelease]; } The process is loaded as LeftCalloutView in the callout bubble when annotations are loaded in my mapview, so quite a lot (80 times or so). It is meant to retrieve a XML Plist from a server, parse it and use the data... but it dies at the rackDone: Does anybody have any ideas? Regards, Paul Peelen

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• The connection was reset error

  - by swetha kulkarni

  hi, i am trying to upload video in DotNetNuke CMS using Telerik Editor. But it was giving me error The connection was reset The connection to the server was reset while the page was loading. * The site could be temporarily unavailable or too busy. Try again in a few moments. * If you are unable to load any pages, check your computer's network connection. * If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web. How to solve this error. Please help me.

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• On-the-fly lossless image compression

  - by geschema

  I have an embedded application where an image scanner sends out a stream of 16-bit pixels that are later assembled to a grayscale image. As I need to both save this data locally and forward it to a network interface, I'd like to compress the data stream to reduce the required storage space and network bandwidth. Is there a simple algorithm that I can use to losslessly compress the pixel data? I first thought of computing the difference between two consecutive pixels and then encoding this difference with a Huffman code. Unfortunately, the pixels are unsigned 16-bit quantities so the difference can be anywhere in the range -65535 .. +65535 which leads to potentially huge codeword lengths. If a few really long codewords occur in a row, I'll run into buffer overflow problems.

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• HOWTO and best working installation (MSI) chainer +/ bootstrapper

  - by davidovitz

  Hi, Our product has several products that customer can install created as separate installation packages (MSI). We have a requirement to have single package for the installation that will: Show one UI with progress Allow user to choose which features/packages to install Have ability to constrain one feature to another (e.g removing or adding effect other) Support single elevation (UAC) nice to have ability to auto update (not must) support command line + silent installation the package should be built out of the isolated installations (chain them) raise error / messages for missing prerequisites Support patches over time and major upgrades Today we do almost all of the above using MSI with nested installations which is bad practice and we face too many issues in our solution. i know that there are several bootstrappers out there (m$ generic bootstrapper which i think is not good, BURN is the WIX version which is not mature enough) Do you know of other? that work and tested already ? What is the best method to do (without unification of the MSI into a single MSI)

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• Consuming Web Services requiring Authentication from behind Proxy server

  - by Jan Petersen

  Hi All, I've seen a number of post about Proxy Authentication, but none that seams to address this problem. I'm building a SharePoint Web Service consuming desktop application, using Java, JAX-WS in NetBeans. I have a working prototype, that can query the server for authentication mode, successfully authenticate and retrieve a list of web site. However, if I run the same app from a network that is behind a proxy server (the proxy does not require authentication), then I'm running into trouble. The normal -dhttp.proxyHost ... settings does not seam to help any. But I have found that by creating a ProxySelector class and setting it as default, I can regain access to the authentication web service, but I still can't retrieve the list of web sites from the SharePoint server. It's almost as if the authentication I provide is going to the proxy rather than the SharePoint server. Anyone have any experience on how to make this work? I have put the source text java class files of a demo app up, showing the issue at the following urls (it's a bit to long even in the short demo form to post here). link text When running the code from a network behind a proxy server, I successfully retrieve the Authentication mode from the server, but the request for the Web Site list generates an exception originating at: com.sun.xml.internal.ws.transport.http.client .HttpClientTransport.readResponseCodeAndMessage(HttpClientTransport.java:201) The output from the source when no proxy is on the network is listed below: Successfully retrieved the SharePoint WebService response for Authentication SharePoint authentication method is: WINDOWS Calling Web Service to retrieve list of web site. Web Service call response: -------------- XML START -------------- <Webs xmlns="http://schemas.microsoft.com/sharepoint/soap/"> <Web Title="Collaboration Lab" Url="http://host.domain.com/collaboration"/> <Web Title="Global Data Lists" Url="http://host.domain.com/global_data_lists"/> <Web Title="Landing" Url="http://host.domain.com/Landing"/> <Web Title="SharePoint HelpDesk" Url="http://host.domain.com/helpdesk"/> <Web Title="Program Management" Url="http://host.domain.com/programmanagement"/> <Web Title="Project Site" Url="http://host.domain.com/Project Site"/> <Web Title="SharePoint Administration Tools" Url="http://host.domain.com/admin"/> <Web Title="Space Management Project" Url="http://host.domain.com/spacemgmt"/> </Webs> -------------- XML END -------------- Br Jan

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• Socksifying a Java ServerSocket - how to approach

  - by Thorbjørn Ravn Andersen

  I would like to have a Java program running on network A have a ServerSocket living on another network B through a proxy. I have played with a SOCKS5 proxy (which works) but it appears that all the proxy facilities in Java only work with client connections, not with ServerSockets (no constructor taking a Proxy argument). Asking Google gives much hay and few needles. What is the approach I should take to get this running? If a specific client is better than a generic SOCKS or web proxy then fine, but it needs to be Java (that leaves sshd out). Target JVM is preferrably Java 5, and then Java 6.

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• IOKit header assert.h gone? [answered]

  - by Julian Kessel

  I want to get the hardware address of my mac's ethernet card. In all samples I saw in include on IOKit/assert.h . Which doesn't seem to exist on my system. GCC throws an error saying he doesn't know the type IOEthernetAddress. Is assert.h necessary for my task? It would be great if someone coud give me a working sample. [edit] here's my code, think this will help understanding the problem: #include <IOKit/assert.h> #include <IOKit/network/IOEthernetController.h> #include <IOKit/network/IOEthernetInterface.h> int main(){ IOEthernetAddress addr; getHardwareAddress(&addr); printf("%x", addr); return 0; }

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• What's a good way to copy files from a PC to a Windows Mobile device?

  - by MusiGenesis

  I have a C# application running on a server, and it needs to copy files out to multiple Windows Mobile 5.0 devices. These devices are connected to the network directly via Ethernet-enabled cradles (so they are not connected to a PC via ActiveSync). What different options do I have for doing this? I know RAPI can do this, but I'm not sure if it can copy something directly over the network like this. Also, I know RAPI uses ActiveSync DLLs and thus requires ActiveSync to be installed, and we would prefer to avoid doing this if possible. Is WMI a possibility? Can we use ordinary File.IO if we can somehow get the IP address of each device? Code samples or general knowledge would be most welcome.

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• Consuming SharePoint Web Services fails when behind Proxy server

  - by Jan Petersen

  Hi All, I've seen a number of post about consuming Web Services from behind a proxy server, but none that seams to address this problem. I'm building a desktop application, using Java, JAX-WS in NetBeans. I have a working prototype, that can query the server for authentication mode, successfully authenticate and retrieve a list of web site. However, if I run the same app from a network that is behind a proxy server (the proxy does not require authentication), then I'm running into trouble. The normal -dhttp.proxyHost ... settings does not seam to help any. But I have found that by creating a ProxySelector class and setting it as default, I can regain access to the authentication web service, but I still can't retrieve the list of web sites from the SharePoint server. Anyone have any experience on how to make this work? I have put the source text java class files of a demo app up, showing the issue at the following urls (it's a bit to long even in the short demo form to post here). link text When running the code from a network behind a proxy server, I successfully retrieve the Authentication mode from the server, but the request for the Web Site list generates an exception originating at: com.sun.xml.internal.ws.transport.http.client .HttpClientTransport.readResponseCodeAndMessage(HttpClientTransport.java:201) The output from the source when no proxy is on the network is listed below: Successfully retrieved the SharePoint WebService response for Authentication SharePoint authentication method is: WINDOWS Calling Web Service to retrieve list of web site. Web Service call response: -------------- XML START -------------- <Webs xmlns="http://schemas.microsoft.com/sharepoint/soap/"> <Web Title="Collaboration Lab" Url="http://host.domain.com/collaboration"/> <Web Title="Global Data Lists" Url="http://host.domain.com/global_data_lists"/> <Web Title="Landing" Url="http://host.domain.com/Landing"/> <Web Title="SharePoint HelpDesk" Url="http://host.domain.com/helpdesk"/> <Web Title="Program Management" Url="http://host.domain.com/programmanagement"/> <Web Title="Project Site" Url="http://host.domain.com/Project Site"/> <Web Title="SharePoint Administration Tools" Url="http://host.domain.com/admin"/> <Web Title="Space Management Project" Url="http://host.domain.com/spacemgmt"/> </Webs> -------------- XML END -------------- Br Jan

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• FreeBSD or NetBSD based commercial TCP/IP stack vendor?

  - by Vineet

  Hi - Receiving recommendations for commercial TCP/IP stack implementation based on FreeBSD or NetBSD. Requirements are similar to a typical desktop PC running a browser, email and streaming voice/video. Which is to say a rich network functionality for a end-host type of device with mature implementation and reasonable performance. BSD derived network stacks are deployed in wide variety of situations for years and hence have mature implementation. It's supposed to run on a proprietary RTOS. Most vendors I found don't advertise if their stack is based on BSD. Any recommendations? -- Vineet

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• Vim: Call an ex command (set) from function?

  - by sixtyfootersdude

  Drawing a blank on this, and google was not helpful. Want to make a function like this: function JakPaste() let tmp = :set paste? if tmp == "paste" set nopaste else set paste endif endfunction map <F2> :call JakPaste()<CR> However this does not work. I have isolated the broken line: function JakPaste() let tmp = set paste? endfunction map <F2> :call JakPaste()<CR> Pressing F2 results in this error: Error detected while processing function JakPaste: line 1: E121: Undefined variable: set E15: Invalid expression: set paste? Hit ENTER or type command to continue How should I call an ex command (set) from a vim function? This seems somewhat relevant however I still don't get it.

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• .NET Impersonate and file upload issues

  - by Jagd

  I have a webpage that allows a user to upload a file to a network share. When I run the webpage locally (within VS 2008) and try to upload the file, it works! However, when I deploy the website to the webserver and try to upload the file through the webpage, it doesn't work! The error being returned to me on the webserver says "Access to the path '\05prd1\emp\test.txt' is denied. So, obviously, this is a permissions issue. The network share is configured to allow full access both to me (NT authentication) and to the NETWORK SERVICE (which is .NET's default account and what we have set in our IIS application pool as the default user for this website). I have tried this with and without impersonation upon the webserver and neither way works, yet both ways work on my local machine (in other words, with and without impersonation works on my local machine). The code that does the file upload is below. Please note that the code below includes impersonation, but like I said above, I've tried it with and without impersonation and it's made no difference. if (fuCourses.PostedFile != null && fuCourses.PostedFile.ContentLength > 0) { System.Security.Principal.WindowsImpersonationContext impCtx; impCtx = ((System.Security.Principal.WindowsIdentity)User.Identity).Impersonate(); try { lblMsg.Visible = true; // The courses file to be uploaded HttpPostedFile file = fuCourses.PostedFile; string fName = file.FileName; string uploadPath = "\\\\05prd1\\emp\\"; // Get the file name if (fName.Contains("\\")) { fName = fName.Substring( fName.LastIndexOf("\\") + 1); } // Delete the courses file if it is already on \\05prd1\emp FileInfo fi = new FileInfo(uploadPath + fName); if (fi != null && fi.Exists) { fi.Delete(); } // Open new file stream on \\05prd1\emp and read bytes into it from file upload FileStream fs = File.Create(uploadPath + fName, file.ContentLength); using (Stream stream = file.InputStream) { byte[] b = new byte[4096]; int read; while ((read = stream.Read(b, 0, b.Length)) > 0) { fs.Write(b, 0, read); } } fs.Close(); lblMsg.Text = "File Successfully Uploaded"; lblMsg.ForeColor = System.Drawing.Color.Green; } catch (Exception ex) { lblMsg.Text = ex.Message; lblMsg.ForeColor = System.Drawing.Color.Red; } finally { impCtx.Undo(); } } Any help on this would be very appreciated!

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• C# MySQL Lost Connection

  - by Adam

  Hi. I have C# application and I'm using MySQL database. Everything seems to be fine except one thing. Our computer network is little bit unstable. When I'm trying to execute query and the computer simultaneously loses connection to the mysql server (I'm simulating this situation by unplugging the network cable from computer which is mysql server), the program is trying to do something for long time (tens seconds). I would like to specify something like timeout which ends the query by exception or something similar. I tried to add timeout parameters to connection string but with no effect (I've used ConnectionTimeout and DefaultCommandTimeout). Is there any other way to identify lost connection after few seconds? Thank you Adam P.S. Sorry for my english, I'm not native speaker.

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• NAS disk - problem with accessing SAMBA

  - by dominolog

  Hello I have a NAS disk running on some version of Linux. The disk is located in local network (5 PC running XP or Vista, all connected to Linksys Router). I have problems accessing NAS resources through SAMBA. The 1st issue is that the NAS is not accessible through hostname (even if it is configured), 2nd point is that it is mostly not accessible through IP manner (\IP_OF_NAS). Rest of services (FTP, HTTP access) works flawlessly. I connected the NAS to my home network (only 1 WinXP and Linsys router) and the NAS is working fine - SAMBA access together with hostname recognition works perfectly. I wonder this is an issue with WINS? Could anybody help? Regards

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• Raspberry Pi cluster, neuron networks and brain simulation

  - by jokoon

  Since the RBPI (Raspberry Pi) has very low power consumption and very low production price, it means one could build a very big cluster with those. I'm not sure, but a cluster of 100000 RBPI would take little power and little room. Now I think it might not be as powerful as existing supercomputers in terms of FLOPS or others sorts of computing measurements, but could it allow better neuronal network simulation ? I'm not sure if saying "1 CPU = 1 neuron" is a reasonable statement, but it seems valid enough. So does it mean such a cluster would more efficient for neuronal network simulation, since it's far more parallel than other classical clusters ?

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• How to go to the next level integrating animations in WPF applications with Blend / VS2008?

  - by Edward Tanguay

  I have been able to create little animations with the storyline in Blend. And I have been able to copy in the isolated storylines and triggers into existing projects in visual studio to spruce them up on the edges a little bit. But after adding too many animations, they start to conflict or cancel each other out, etc., or I can make a panel slide down and slide it back up, then it no longer can slide down since it is not in its original state anymore. Does anyone have any links, video tutorials, books, resources which not only show you how to make a little animation and then leave you to figure out how to integrate numerous animations into a typical business application layout, but instead take you through the whole process of building a business application while integrating animations and WPF goodness with Blend and Visual Studio?

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• How to check a local wifi connection

  - by Thomas Joos

  hi all, I'm writing an app which connects to a static ip adress in a local network. How can I check if I have a local network connection? I want to connect to http://192.168.2.5 and i tried using the Rechability class but it returns FALSE, while the device is definately connected ( when i don't do the check, the app works fine so there is a connection ): Reachability *r = [Reachability reachabilityWithHostName:@"http://192.168.2.5"]; NetworkStatus internetStatus = [r currentReachabilityStatus]; How should work this out? Thomas

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• Is using value converters to generate GUI-friendly strings a misuse of value converters?

  - by tempy

  Currently, I use value converters to generate user-friendly strings for the GUI. As an example, I have a window that displays the number of available entities in the status bar. The Viewmodel simply has an int dependency property that the calling code can set, and then on the binding for the textbox that displays the number of entities, I specify the int dependency property and a value converter that changes "x" into "x entities available". My code is starting to become littered with these converters, and I have a large number of annoying resource declarations in my XAML, and yet I like them because all the GUI-specific string formatting is being isolated in the converters and the calling code doesn't have to worry about it. But still, I wonder if this is not the purpose that value converters were made for.

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• Solved::MessageQueue.BeginReceive() null ref error - c#

  - by ltech

  Have a windows service that listens to a msmq. In the OnStart method is have this protected override void OnStart(string[] args) { try { _queue = new MessageQueue(_qPath);//this part works as i had logging before and afer this call //Add MSMQ Event _queue.ReceiveCompleted += new ReceiveCompletedEventHandler(queue_ReceiveCompleted);//this part works as i had logging before and afer this call _queue.BeginReceive();//This is where it is failing - get a null reference exception } catch(Exception ex) { EventLogger.LogEvent(EventSource, EventLogType, "OnStart" + _lineFeed + ex.InnerException.ToString() + _lineFeed + ex.Message.ToString()); } } where private MessageQueue _queue = null; This works on my machine but when deployed to a windows 2003 server and running as Network service account, it fails Exception recvd: Service cannot be started. System.NullReferenceException: Object reference not set to an instance of an object. at MYService.Service.OnStart(String[] args) at System.ServiceProcess.ServiceBase.ServiceQueuedMainCallback(Object state) Solved: Turned out that the Q that i set up, I had to explicitly add Network Service account to it under security tab

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• Corporate Wiki Organization - Technical Documentation

  - by Dave Jarvis

  Corporations have documents describing various aspects of their technical systems, including: Custom Applications Custom Development Frameworks Third Party Applications Accounting Bug Tracking Network Management How To Guides User Manuals Software Tools Web Browsers Development IDEs Graphics GIMP xv Text Editing File Transfer ncFTP WinSCP Hardware Servers Web Database Exchange File Network Devices Printers What other items are missing from the list, and how would you organize it? (For example, would Software Tools make more sense under Third Party Applications?) Try to think about where you, a software developer, would expect to find the information by browsing (not searching). A few constraints: The structure should not go beyond three levels deep. Avoid the word "and" in favour of two different categories. Keep the structure general: it should appy as broadly as possible. Target audience is primarily technical.

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• Unable to send email using 3rd party server ( IIS 7, Windows Server 2008, ASP.NET )

  - by Reed

  Hello All, I am using IIS 7 on Server 2008. I just tried migrating my app from an older platform - everything works fine, except the email feature. This is my config: < mailSettings > < smtp from="[email protected]" deliveryMethod="Network" > < network host="mail.xyz.com" port="25" userName="[email protected]" password="123" /> < / smtp > < /mailSettings > Whenever I need to send an email I use: SmtpClient smtp = new SmtpClient(); smtp.Send(email); The funny thing is I get absolutely no errors, however the email is never sent. The outbound firewall ruleset allows SMTP traffic. Any idea what I did wrong?

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• .NET Impersonate not working!

  - by Jagd

  I have a webpage that allows a user to upload a file to a network share. When I run the webpage locally (within VS 2008) and try to upload the file, it works! However, when I deploy the website to the webserver and try to upload the file through the webpage, it doesn't work! The error being returned to me on the webserver says "Access to the path '\05prd1\emp\test.txt' is denied. So, obviously, this is a permissions issue. The network share is configured to allow full access both to me (NT authentication) and to the NETWORK SERVICE (which is .NET's default account and what we have set in our IIS application pool as the default user for this website). I have tried this with and without authentication, and neither one works on the webserver, yet both ways works on my local machine. The code that does the file upload is below. Please note that the code below includes impersonation, but like I said above, I've tried it with and without impersonation and it's made no difference. if (fuCourses.PostedFile != null && fuCourses.PostedFile.ContentLength > 0) { System.Security.Principal.WindowsImpersonationContext impCtx; impCtx = ((System.Security.Principal.WindowsIdentity)User.Identity).Impersonate(); try { lblMsg.Visible = true; // The courses file to be uploaded HttpPostedFile file = fuCourses.PostedFile; string fName = file.FileName; string uploadPath = "\\\\05prd1\\emp\\"; // Get the file name if (fName.Contains("\\")) { fName = fName.Substring( fName.LastIndexOf("\\") + 1); } // Delete the courses file if it is already on \\05prd1\emp FileInfo fi = new FileInfo(uploadPath + fName); if (fi != null && fi.Exists) { fi.Delete(); } // Open new file stream on \\05prd1\emp and read bytes into it from file upload FileStream fs = File.Create(uploadPath + fName, file.ContentLength); using (Stream stream = file.InputStream) { byte[] b = new byte[4096]; int read; while ((read = stream.Read(b, 0, b.Length)) > 0) { fs.Write(b, 0, read); } } fs.Close(); lblMsg.Text = "File Successfully Uploaded"; lblMsg.ForeColor = System.Drawing.Color.Green; } catch (Exception ex) { lblMsg.Text = ex.Message; lblMsg.ForeColor = System.Drawing.Color.Red; } finally { impCtx.Undo(); } } Any help on this would be very appreciated!

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