Hi Can someone tell me why when I send broadcast ICMP Request, only router send me ICMP Reply? Even if I modify MAC destination of this ICMP Request (original is FF:FF:FF:FF:FF:FF) to MAC specific host (IP still broadcast that local network ...it still don't send me Reply. Why? ...
Hi, The program I'm coding connects to another program via a network-API, and I believe it's called a socket connection. I specify the IP: 127.0.0.1, and the Port, which must match what I set in that program. Now, this works fine. But what if I want to have the program running on another computer on a network? I have set up a wirel...
Hi, We've built an adobe air app that logs in and communicates with our server using ajax calls. However, there appears to be a problem with the App on computers which switch networks often. Such as laptop users who travel. The issue is that for some reason the app's ajax calls timeout and don't reach the server, even though the user ...
I am using limited BroadBand ( I can use up to 3GB per month). BroadBand company charges extra money if I use beyond 3 GB. Everyday one ( or more) background process utilizing 75 MB of Internet Data. I have been monitoring Internet data usage through NET METER tool. Initially I suspected AVG anti virus S/W so I uninstalled it, but i...
Hi Guys: I am new to android. I am developing an application in android 2.2 to identify location of user by means of any available resources (GPS , Networks etc). I have done finding location through GPS and using SIM network along with internet. Now problem is want to locate device when no GPS and no internet is available. In this case ...
I have created a program in visual c++, where i have implemented a web service. The web service is set to listen on port 80, but if another program already is using this port, the web service fail to start up. So when the webservice can't start, I would like to have a function or method, which can get the name of the process, that curr...
Hello I need list IP addresses of all connected hosts in my LAN. What is the simpliest way to do this? ...
Hi, I want to access the network files from my web application. I have build the web application (which access network share folder and files) and its works perfectly under eclipse. The same application doesn't run if run through web server Tomcat 6.0 String lineSeparator = System.getProperty("file.separator"); String path1=li...
I have a VB .NET Application which I have written for my company which occasionally throws a message “System.IO.IOException: An unexpected network error occurred.”, that I have been unable to figure out the issue. The application is a Backup program which to simplify for this post does the following: 1) Checks for H drive or external d...
I'm building a server that serves two clients using streamreaders/writers (using networkstreams), using newline symbols to indicate the start/end of a new command. Because readline (and writeline too, but that's not an issue), will block until there actually is a line to read, I use socket.select in order to determine when there is a li...
I was looking on how the twisted and node.js frameworks work and I am trying to understand exactly how the operating system supports I/O operations using callbacks. I understand it's good because we need less threads because we don't need to have blocked threads waiting for I/O operations. But something has to call the callback once the...
Hi, The table consists of pairs of users which are connected together. The following is a hypothetical example: user1, user2 a, b a, c c, a c, d d, e a, e j, n g, n f, n By randomly picking up a user from the table (user1 or user2) I would like to retrieve the whole cluster of connections to which the selected user belongs. For examp...
I basically just want to access the UNC drives from my house but they are local network paths e.g. \servername\resource Is there a way I can do this- is there a way to trace the UNC back to the server IP and then telnet into it? ...
Hello, Need to configure following network. A friend is in another country, and has several limitations on internet there. I'm connected to internet with real IP address. So I want to configure network so that he can connect to me then use internet through my connection, where there are no limitations. So to organize this ? Any reaso...
Hi everybody ! I am developing an application that use the GPS and the geolocalion. So, during the application launch, I have to be sure that the user has activated the network and GPS. If he didn't tested 2 solutions : Ask the user to activate them himself (so the application quit, and the user has to reload it) Redirect the user in...
I parse various data sources with network information in them. I have been using java.net.InetAddress to represent and parse hosts. It works fine being initialized with IP. I have to parse a new source now. It contains hostnames instead of IP's. InetAddress.getByName() throws UnknownHostException if a hostname argument can't be resolve...