272 Topics
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 | A VPN, or Virtual Private Network to be formal, is a method of creating an encrypted data tunnel across the Internet from your device to a destination server. Although savvy home users and enterprises will operate their own VPNs (business-grade routers provide this functionality) for most folk, a VPN comes … |
 | So I've had a media server for a while using Plex as the software with a Terra Master as the hardware. I've become dissatisfied with both for various reasons and I'd like to make my own, but I'm also open to Plex alternatives recommendations. What I want to do is … |
| | Hello. I am looking for a fast and reliable protocol for streaming big amount of small text data in real time (text strings might be between **20** and maybe **500** bytes long). I do not care about order and when they arrive, i care just to get them to my … |
| | heyy guys.. m implementing PEER TO PEER FILE TRANSFER.. What protocol should I use? TCP or UDP? And why? |
| | When working with TCP client sockets I often find myself frustrated with the lack of event-driven support. I usually end up writing a whole bunch of code to determine disconnects, reconnecting, etc and I figuired it's time to just write my own class for this stuff. I figuired I'd share …  |
| | What I like to know is if network programs still use this file? I can comment out http port 80 without any effects on firefox: ># http 80/tcp ># http 80/udp Then I can delete out /etc/services without no serious effects on the system: >sudo rm -v /etc/services The best …  |
| | Hi All, I am looking for a design approach to implement TCP socket server which is going to serve requests based on multiple ports. (1) port1 : dedicated for video streaming (2) port 2: dedicated for audio streaming (3) port 3: dedicated for data streaming. In above scenario do i …  |
 | Each years our computers are getting faster, games more demanding, which fuels better computers. We develop more memory in lesser spaces. We develop processors that calculate more than super-computers 20 years back. We had 56k modems, 1M, 2M, 5M networking, just recently there is possibility to get 1.5G at your …  |
 | Hi all. I'm working on a client server application, eventually to be a POS (point of sale) system. The model is something like, client (till) does not have access to the database, instead it sends data to the server application, which in turn deals with the database and any other …  |
 | Hello, I am having a bit of an issue with my networking addition to my game engine. The engine uses SDL to provide an event-driven programming environment. I tried adding networking functionality, but it doesn't seem to work. Here is the relevant code: //includes #if defined(_WIN32) #include <winsock2.h> typedef int … |
 | Hi Guys! i need some help, and look i'm not sure if this the best place for this question or no. I have dedicated server, and inside of my server im runing VM with KVM (Qemu libvirt). everything is working how suppose to be, without any problem. But i need … |
| | So I've always toyed around with C# code with the idea of gaming. Lately I've been dabbling in communication. Initially I tried sockets and TcpClient and that was hit and miss. So I decided to give pipes a go. Frankly I dont have much of a preference of one of … |
| | hi all, i create full duplex application to transmit voice using udp protocol , i use AudioRecord to record voice and AudioTrack to play it but i hear echo |
| | I am developing Client-Server application in C++ using Qt framework, but the clients can be android phones and computers(Qt client app) Now i'm having troubles to handle Reception of data on the server side; the server is not receiving data properly. First, I got things working nicely between the server(Qt … |
| | Hello All; I want to display logs in the following format as below:- XY,1,1114,ABCDEF,d1744783-0681-4f0c-adee-83277f5e4b85:286,192.168.33.211\n where:- XY is servername. ABCDE:- UserName. I want to display this specific log from the multiple logs of different server with different name. How to do that using threads ?? |
| | If you're creating a media server how do you control if the files are pushed out via tcp or udp? Or is that a client thing? I'm currently building a headless Debian media server and I was wonsering how that words. As far as streaming videos in my house either …  |
| | Hello all: Somebody, anybody, please please help. I am running the latest version of Fedora and below you will find the contents of /etc/httpd/conf/httpd.conf file. My problem is that when I try to view my site from the web I get the "Forbidden / You don't have permission to access … |
| | Hello, I am having problem with my ports, yesterday I opened port 80 and setup local area connection propeties for ipv4 to use static ip 192.168.1.4, I used ipconifg in cmd to check it first. I am using WAMP server on my pc with windows 7 64-bit. It worked ok. … |
| | I have some experience with client-server codes. TCP and udp client. I want to know how a stream socket works with HTTP. This client is for a server-client code where the greatest common divisor is calculated and displayed. #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <string.h> #include <sys/types.h> …  |
| | Well i know one can multicast using udp port. but i want to know if it is possible to do the same using c sharp. since TCP is connection oriented protocol. So expectedly it will not allow to connect other client to the server if already it is connected on … |
| | Hello, I am currently trying to use boost asio for IPC. I ran into 2 strange issues: 1) when using the acceptor class, when I bring my process up, I get the error 'Already open' when trying to listen. The port I am trying to bind to is definitely not … |
| | I need some help to make AES work with UDP. I keep getting this error. Exception in thread "main" javax.crypto.IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:750) at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:676) at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:313) at javax.crypto.Cipher.doFinal(Cipher.java:2087) at AES.decrypt(AES.java:31) at EchoServer.main(EchoServer.java:26) It seems that upon receiving the … |
| | My task bar in XP changed color to a pale green and the font size changed (I am paritally color blind, so color is a guess to a degree) from the normal blue. When that happens, the wireless internet won't work either. I have run all the programs that you … |
 | I'm currently working on a homework assignment in one of my classes, and I'm having some trouble with it. I am supposed to make a multithreaded messaging program that allows users to connect using both TCP and UDP. The messaging program works perfectly when TCP is selected. However, I do …  |
 | i recently took up a project on openvpn when i got the source code of an openvpn application written in python by ivanzoid http://code.google.com/p/pyopenvpnman/ but after laying my hands on many things and reshaping the application i couldnt go any further because of some errors detected 1.writing to a config … |
| | Hello, I have made android application which provides remote desktop administration, I used port 5556 and socket programming TCP. I have to forward this port from router on every computer is there any other way so I can use some open port to communication with android device?? Like TeamViewer doesn't … |
| | If I wanted to host a game on let's say, Steam Counter-Strike, what setting to I need t use for port forwarding to let someone I know login using my routers IP address. I options are TCP/UDP, TCP, & UDP. Also, what should be my starting and ending ports? Thanks.  |
| | Hello! I'm trying to code a C# server for flash apps, and I'm currently working on a broadcast function. When flash clients connect to the server they are added to the connClients list (List<TcpClient>), and with the following function I send the stuff to my flash apps: [CODE] public void … |
| | Hello I want to know how windows TCP scaling works.I know it performs left shift operation but If we do that wont our data will be lost.  |
| | so i created a client server program using tcp that works fine. but now i want to use broadcasting (which uses udp) so i'm changing to change my code but i keep running into problems. when i run my code the error message "ERROR binding: 10047" and that error means … |
| | Hello everybody, Im using datagrams to send a DatagramPacket, however, unless the router has ports forwarded, the clients dont recieve the packets. Is there a way to set this up so that my clients dont have to port forward on their router? How to main stream gams like LOL or …  |
 | Hi there, I was wondering if anyone could help me, I’m trying to send various packets of data over network via UDP. I’m using the sendto() function in winsock2. I’m trying to send different data types over UDP, for example; I have positional data such as: int time; float LAT; …  |
| | We have a sensor on our local network that is sending a data telegram using UDP Broadcast. How do we use Winsock to capture these messages. The Port number that the data is being sent on is 42567. I tried the following code WinSockControl.Protocol = sckUDPProtocol WinSockControl.RemotePort = 42567 WinSockControl.Bind …  |
| | Hi, I need just simple help. Could you just give me a tip for some good TCP server/client library for Csharp? It should be easy to use, and can handle big data size. Because I was using a Netcomm library, and while sending Image bytes, It has god frozen. Thanks … |
| | **edit** I just realized that Im on a single core machine atm (stupid work machine), so theortically the server isint actually executing on the CPU 50% of the time (while the client is running), so packets would be lost right? Or is there something else im missing alltogether? Ill post … |
| | Explorer is running in the background and I can't stop it. This has been going on for a week or so. Explorer sometimes runs as two processes simultaneously, one under "New User" and one under "System". I use Firefox 99.9% of the time. Any advice will be much appreciated. Below … |
| | So, I have just started with C++ Sockets. Got the program to get headers from various servers just right today, and am aiming to make an IRC bot in under a month to perfect those basics. In the long term(less than an year), I am aiming to make a P2P … |
| | i am trying to make a program where i have a server with multiple clients, where a client sends a message to the server and when the server replies to it, the server broadcasts the reply to all the clients. the code has some error and is not working. i …  |
| | how to convert from UDP to TCP? For example I'm used this code for UDP: Socket peer1 = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); UnicodeEncoding coding = new UnicodeEncoding(); byte[] pp = coding.GetBytes(ping); peer1.SendTo(pp, receiverIp); peer1.SendTo(txtBuf, txtBuf.Length, SocketFlags.None, receiverIp); How to write it use TCP protocol??? Because my code is large, I … |
| | Greetings. My laptop was working fine with connection to internet through my home modem. However, all of a sudden it refused to detect the modem, although it has no problem detecting other modems in the vicinity. Could it be caused by virus. I have it scanned with reports attached. Pls … |
| | Hi, I am developing a critical program for a company. I am not cheking the data which come from socket because I am not using UDP on my program. But can someone tell me please if TCP is exactly %100 secure for data verification. Some cheking algortihms works propely but … |
| | > this is my udp server code #include<iostream> #include<arpa/inet.h> #include<unistd.h> #include<sys/socket.h> #include<sys/types.h> #include<stdio.h> #include<string.h> #include<stdlib.h> using namespace std; void error( char *msg) { perror(msg); exit(EXIT_FAILURE); } int main() { int sockfd; sockfd = socket(AF_INET,SOCK_DGRAM,0); struct sockaddr_in serv,client; serv.sin_family = AF_INET; serv.sin_port = htons(53000); serv.sin_addr.s_addr = INADDR_ANY; char buffer[256]; socklen_t l … |
| | Hello Daniweb, I would be very grateful if someone could have a look at these scans and recommend a course of action to clean my computer of this virus. I have followed the instructions in the sticky to produce the following logs. The symptoms I am experiencing are that iexplorer.exe … |
| | i going to make socket application in c# i dont know more about socket but i have tried but fail . now i want know some more information plz share with me. 1)my server is located in other city . 2)what type of socket i need TCP or UDP ? …  |
| | can UDP run on computers that support only TCP protocol? WHy?  |
| | I have this C++ network client program but it has an error. Here is the error: error C2664: 'wsprintfW' : cannot convert parameter 1 from 'char [128]' to 'LPWSTR' Here is the code: // Client program example #define WIN32_LEAN_AND_MEAN #include <winsock2.h> #include <stdlib.h> #include <stdio.h> #include <string.h> #define DEFAULT_PORT 2007 … |
 | I have been searching for the answer for 2 months, but still no success. Below the setup and connection string and all checked already. Firstly my errorlog file error = 18456 Severity 14 State 11 (Login failed for user OLDPC/GUEST. Token based server access validation failed with an infrastructure error. … |
| | So I need to write an ping client and server for my networking class. Server code is running no problem but I'm a bit lost on my client code. I copy and pasted the server code because I figured it would be easier to modify.. Please check this out.....THE PROBLEM … |
| | Two parted question really... First off, I've been trying to enable my SQL Server 2008 R2 to allow remote access so my friend can view it from his RDBMS (also SQL Server 2008). I've enabled TCP/IP, I've allowed Remote Access/Connection, I've opened TCP and UDP Ports and also added the … |
 | metasploit,nmap,IDM.... what protocols do the tunnel? HTTP,TCP,UDP,VoIP,HTTPS etc..??  |
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