How do I stop network flooding using Windows 2003 Network Load balancing?
I know that the MsNLB can be configured to user mulitcast with IGMP. However, if the switch does not support IGMP what are the options? ...
network
What's the best CDN for image hosting on a high-volume web site?
Akamai is way too expensive. Photobucket is not reliable. Is there a great content delivery network that I can use just to host my images? We deploy images programmatically via FTP, so there is some programming behind the scenes. Having some sort of reporting about the reliability of the service, whether it's raw logs files or a web-...
Map 192.168.0.10 to 127.0.0.1 on windows
Hello everybody! I need to access a svn repository from home, that runs under the IP 192.168.0.10 in the work network. I can establish a SSH tunnel to my localhost. Now I have to map 192.168.0.10 in a way, that instead 127.0.0.1 is accessed. Does anybody know a way to do this under Windows? Thanks in advance! ...
Having trouble achieving 1Gbit UDP throughput
For UDP packets with a payload less then 1470, is it possible to achieve 1Gbit throughput? Due to the small packet size, there should be some bottlenecks in achieving such throughput (I/O, OS, network, etc.). I imagine drivers and hardware might have to be tuned to small packet/high throughput. Has anybody attempted successfully achieved...
Scalable socket event queue processing
My C# class must be able to process a high volume of events received via a tcp stream style socket connection. The volume of event messages received from the tcp server by the class's socket is completely variable. For instance, sometimes it will only receive one event message in a period of ten seconds and at other times it will receive...
Artificially create a connection timeout error
I've had a bug in our software that occurs when I receive a connection timeout. These errors are very rare (usually when my connection gets dropped by our internal network). How can I generate this kind of effect artificially so I can test our software? If it matters the app is written in C++/MFC using CAsyncSocket classes. Edit: I'v...
Database Choice for a C# 2008 front end
I was wondering what and why you would choose to be able to make a database that can support no more than 100 users with no more than 10 using it at once with a Visual Studio 2008 C# Windows Form front end to access it by. I have to access the database over a network connection, not just on the local machine. I also need to define where ...
Where can I find a good primer on network administration?
Things like DHCP, IP addresses, configurations...that kind of thing. I have a Google search open, and it seems like there's just so much out there, I'm not sure where to begin. Perhaps there are some especially good websites/books/blogs out there that might help. Thanks ...
Tool to monitor network connectivity in Windows
What tool would you recommend to monitor the connectivity status of a machine, this is if a given machine it is able to connect to some web servers over time. It should be able to log the status. There is a long list of freeware at http://ping-monitors.qarchive.org/ ...
Get the IP Address of local computer
In C++, what's the easiest way to get the local computer's IP address and subnet mask? I want to be able to detect the local machine's IP address in my local network. In my particular case, I have a network with a subnet mask of 255.255.255.0 and my computer's IP address is 192.168.0.5.because I need to get these had two values programm...
What do these abbreviations in network hostnames mean?
When I use traceroute, I often see abbreviations in the hostnames along the route, such as "ge", "so", "ic", "gw", "bb" etc. I can guess "bb" means backbone. Does anyone know what any these strings abbreviate, or know any other common abbreviations? ...
How to share host VPN connection with VM instances in Hyper-V?
I'm running my workstation on Server 2008 and a few servers in Hyper-V VM's on that server. I connect to my corporate LAN using VPN from the main OS (the host) but my VM's aren't seeing the servers in the corporate LAN. Internet and local access to my home network work fine. Each of the VMs has one virtual network adapter. What should ...
Sniffing network traffic for signs of viruses/spyware
How can I connect a system to a network and sniff for virus/spyware related traffic? I'd like to plug in a network cable, fire up an appropriate tool sand have it scan the data for any signs of problems. I don't expect this to find everything, and this is not to prevent initial infection but to help determine if there is anything tryin...
How can I upload a photo to a server with the iPhone?
I'm writing an iPhone app that takes a photo and then uploads it to a server. How do I upload a photo to a server with Cocoa in Xcode? I suppose I use NSUrl somewhere. Thanks! ...
What's the best way to read and parse a large text file over the network?
I have a problem which requires me to parse several log files from a remote machine. There are a few complications: 1) The file may be in use 2) The files can be quite large (100mb+) 3) Each entry may be multi-line To solve the in-use issue, I need to copy it first. I'm currently copying it directly from the remote machine to the local ...
What is the best SNMP library to use with .NET?
What are the best SNMP libraries to use with .NET? Specifically for listening for traps or sending set or get requests. ...
Why does my .NET application crash when run from a network drive?
My .NET application fails when run from a network drive even when the very same executable runs perfectly fine from a local hard drive? I tried checking for "Full trust" like so: try { // Demand full trust permissions PermissionSet fullTrust = new PermissionSet( PermissionState.Unrestricted ); fullTrust.Demand(); // Pe...
OSI model - What's the presentation and session layer for?
So I feel I pretty well understand the application layer, and everything below (and including) the transport layer. The session and presentation layers, though, I don't fully understand. I've read the simplistic descriptions in Wikipedia, but it doesn't have an example of why separating out those layers is useful. So: What is the se...
Download files to local drive when sshed
What is the best way to download files to local hard drive when logged in to another computer using ssh in bash. I'm aware of sftp, but it is not convienent, e.g. it lacks tab completion of directory names. I'm using Ubuntu 8.04.1 . I don't have a public IP and would not like to setup dynamic Dynamic DNS solution. ...
In PowerShell, how can I determine if the current drive is a networked drive or not?
I need to know, from within Powershell, if the current drive is a mapped drive or not. Unfortunately, Get-PSDrive is not working "as expected": PS:24 H:\temp >get-psdrive h Name Provider Root CurrentLocation ---- -------- ---- --------------- H FileSystem H:\ temp but in MS-Dos "...