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  • Winsock failed to connect to local ip address

    - by JKS
    I have used the following code in a form that acts like a server, WskServer(0).Close LocalIP = WskServer(0).LocalIP WskServer(0).LocalPort = DEFAULT_TCP_PORT WskServer(0).Protocol = sckTCPProtocol txtStatus.Text = "Starting server" Call WskServer(0).Bind(DEFAULT_TCP_PORT, LocalIP) WskServer(0).Listen when i execute above code,i received the following error "Address is not available from the local machine" . If i changed the line Call WskServer(0).Bind(DEFAULT_TCP_PORT, LocalIP) to Call WskServer(0).Bind(DEFAULT_TCP_PORT, "127.0.0.1") this is working What's wrong with the code?, can anybody give the fix Update I just removed the line Call WskServer(0).Bind(DEFAULT_TCP_PORT, LocalIP) now server working properly. this way is correct or not

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  • [iptables] Why do 'iptables -A OUTPUT -j REJECT' at the end of the chain OUTPUT override the previous rules??

    - by Serge
    Those are my IPTABLES rules: iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A OUTPUT -p tcp --dport 22 -j ACCEPT iptables -A OUTPUT -p udp --dport 22 -j ACCEPT iptables -A OUTPUT -p tcp --dport 80 -j ACCEPT iptables -A OUTPUT -p udp --dport 53 -j ACCEPT iptables -A OUTPUT -p tcp --dport 53 -j ACCEPT iptables -A INPUT -p tcp --dport 80 -j ACCEPT iptables -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent --set --name DEFAULT --rsource iptables -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -m recent --update --seconds 180 --hitcount 4 --name DEFAULT --rsource -j DROP iptables -A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT iptables -A OUTPUT -j REJECT iptables -A INPUT -j REJECT iptables -A FORWARD -j REJECT Im using a remote ssh conetion to set them up, but after i set: iptables -A OUTPUT -j REJECT My connection get lost. I have read all the documentation for Iptables and i can figure out anything, the global Rejects for INPUT work well because i can access to the web page but i get a timeout for ssh. Any idea? Thanks

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  • Word documents generation in web app using Eclipse BIRT Report Engine

    - by Orr151
    Hi, Is it possible to generate word documents (*.doc) in java web application using Eclipse BIRT (Report Engine)? I want .rptdesign to be an input file in generating process. I could not find any example or tutorial. What would you recommend as an alternative solution. As far as I know Jasper Reports allow only RTF format generation. Thank you for your answer/explaination

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  • Programatically determining maximum transfer rate

    - by dauphic
    I have a problem that requires me to calculate the maximum upload and download available, then limit my program's usage to a percentage of it. However, I can't think of a good way to find the maximums. At the moment, the only solution I can come up with is transfering a few megabytes between the client and server, then measuring how ling the transfer took. This solution is very undesirable, however, because with 100,000 clients it could potentially result in too much of an increase to our server's bandwidth usage (which is already too high). Does anyone have any solutions to this problem?

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  • How to download Google Cloud Messaging (GCM) from Google Code?

    - by Dennis
    I'm trying to learn how to use GCM and I want download the simple app. I'm following the instructions here: http://developer.android.com/google/gcm/server.html. Using App Engine for Java To set up the server using a standard App Engine for Java: Get the files from the open source site, as described above. I entered the link - https://code.google.com/p/gcm/ but there is no download there, and I don't have Git (and I don't know how to use it..). Can someone please explain how to download it or give me a link or something? Thank you in advance!

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  • Problem in using a second call to send() in C

    - by Paulo Victor
    Hello. Right now I'm working in a simple Server that receives from client a code referring to a certain operation. The server receives this data and send back the signal that it's waiting for the proper data. /*Server Side*/ if (codigoOperacao == 0) { printf("A escolha foi 0\n"); int bytesSent = SOCKET_ERROR; char sendBuff[1080] = "0"; /*Here "send" returns an error msgm while trying to send back the signal*/ bytesSent = send(socketEscuta, sendBuff, 1080, 0); if (bytesSent == SOCKET_ERROR) { printf("Erro ao enviar"); return 0; } else { printf("Bytes enviados : %d\n", bytesSent); char structDesmontada[1080] = ""; bytesRecv = recebeMensagem(socketEscuta, structDesmontada); printf("structDesmontada : %s", structDesmontada); } } Following here is the client code responsible for sending the operation code and receiving the signal char sendMsg[1080] = "0"; char recvMsg[1080] = ""; bytesSent = send(socketCliente, sendMsg, sizeof(sendMsg), 0); printf("Enviei o codigo (%d)\n", bytesSent); /*Here the program blocks in a infinite loop since the server never send anything*/ while (bytesRecv == SOCKET_ERROR) { bytesRecv = recv(socketCliente, recvMsg, 1080, 0); if (bytesRecv > 0) { printf("Recebeu\n"); } Why this is happening only in the second attempt to send some data? Because the first call to send() works fine. Hope someone can help!! Thnks

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  • C code in Linux to C code in Windows

    - by Morano88
    I'm having a code written in C that works on Linux. I want this program to work in windows, Are there any differences that I have to make in the code ? It is a code for Server/Client communication using sockets taken from here : http://www.linuxhowtos.org/C_C++/socket.htm

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  • How do you get the host address and port from a System.Net.EndPoint?

    - by cyclotis04
    I'm using a TcpClient passed to me from a TcpListener, and for the life of me I can't figure out a simple way to get the address and port it's connected to. The best I have so far is _client.Client.RemoteEndPoint.ToString(); which returns a string in the form FFFF::FFFF:FFFF:FFF:FFFF%00:0000. I've managed to extract the address and port using Regular Expressions, but this seems like overkill. What am I missing?

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  • certification Test engine

    - by harigm
    HI, I am trying to build an certification Test engine in my website techification.com Can any one please help me, what are the things That i need to consider before I start design and implementation. This application will be for all the users who are willing to take Sun certification or any certifications and they can come to techification.com and take the online exam and get evaluated before they take the actual Exam.

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  • Running a lot of jobs with sun grid engine

    - by R S
    I want to run a very large number (~30000) of jobs with Sun Grid Engine. I can theoretically, perform 30000 times the "qsub" command to submit jobs. However, I am afraid that will be too much. Is there a better way to do it? (i.e. from a file) Or otherwise, do you think it will work nonetheless? Thank you

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  • Custom search engine in asp.net mvc and entity framework

    - by Rahat
    Hi, does anyone have any idea how I can get started building a search engine for my asp.net mvc site using entity framework. I plan to build something like: http://www.carsguide.com.au/search/?N=4294962119++492&type=cars there on the left there is a refine search option panel. What's the best approach to design a model for the UI and optimized query with entity framework.

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  • Boost.Test: Looking for a working non-Trivial Test Suite Example / Tutorial

    - by Robert S. Barnes
    The Boost.Test documentation and examples don't really seem to contain any non-trivial examples and so far the two tutorials I've found here and here while helpful are both fairly basic. I would like to have a master test suite for the entire project, while maintaining per module suites of unit tests and fixtures that can be run independently. I'll also be using a mock server to test various networking edge cases. I'm on Ubuntu 8.04, but I'll take any example Linux or Windows since I'm writing my own makefiles anyways.

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  • Running a method for infinitely in google app engine/Gwt

    - by sonam
    I am having a a method which listens continuously to a stream from a server and writes that data to datastore in google app which is later on retrieved by other methods. How can i do that in google app engine i.e calling that method one time during the starting of app and having it running for unlimited time without affecting other things. I am new to java world,So please help from that point of view also.How's that done in Java?

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  • Select calls seems to not time out.

    - by martsbradley
    HI Folks, I have a threaded C++ program where up to three threads are calling select on a three separate socket descriptors waiting for data to become available. Each thread handles one socket and adds it to the readfds with a timeout of 300 seconds. After select returns if there is data available I'm calling recv to read it. Is there anything that I need to be aware of with winsock and threads because for some reason after a number of hours the select calls all seem to be not timing out. Can a multi threaded program select from a number of threads without issue? I know that I should have one thread listening to all three sockets however that would be a large change for this app and I'm only looking to apply a bug fix. cheers, Martin.

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  • APF, IPTABLES, Fedora 15 - Not blocking correctly

    - by RichardW11
    I just got a new remote server which came with Fedora 15. I first tried to run APF but it gave me this error "apf(18031): {glob} unable to load iptables module (ip_tables), aborting.". Which I then set SET_MONOKERN="0" to SET_MONOKERN="1" to resolve the problem. However, with my config file showing BLK_P2P_PORTS="1214,2323,4660_4678,6257,6699,6346,6347,6881_6889,6346,7778" The ports show up as closed, instead of being filtered. Any idea why this would be happening? 22/tcp open ssh 80/tcp open http 443/tcp open https 2323/tcp closed 3d-nfsd 4662/tcp closed edonkey 6346/tcp closed gnutella 6699/tcp closed napster 6881/tcp closed bittorrent-tracker 7778/tcp closed interwise

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  • how does teamviewer find my computer even if my comp. behind of the firewall and firewall isn't conf

    - by uzay95
    Did you use teamviewer? (comic question i know... Who doesn't use it?) Do you have any idea how does teamviewer make connection even if i am behind the router, firewall, switch and my local firewall..? I'm trying to imagine a connection that is between remote machinge and my computer. Remote machine is sending the packets (and its header (for instance, destination IP, message body)) to me but it only knows my id number(which is given by my local teamviewer application). And this packets are reaching to my computer even if there is a juniper firewall (and also my windows firewall). What kind a message body is recieving by computer? (of course it is not like xml, text, html, excel :) Do you have any idea? PS. Please share your knowledge like you are explaining to beginner level user.

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