C# Corner

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  • Get IP Address of a HostDec 03, 2000. The .Net DNS class can be used to get a host name or an IP of a given host name. To use DNS class in your project, you need to include System.Net
  • TCP/IPLib SampleJun 22, 2001. This compopnent contains both a TCP/IP server and client. TcpIpClient inherits from System.Net.Sockets.TCPClient and is very straight forward. After construction, specifying the host and port, a network connection is established by calling Connect(). Internally, upon a successful connection, the client receives a TcpIpPacket, which contains a unique cookie that is used in any subsequent transactions.
  • TCP Client and ServerSep 20, 2001. You need to compile the server and the client programs separately. Before compiling, change the IP address in both programs to match that of your machine (NOTE: You can get IP address of your machine if you run 'ipconfig' from the command prompt in Windows NT/2000 m/c's)
  • Email Notifier with Microsoft Agent--- GENIENov 16, 2001. Email notifier with Microsoft Agent is a TCP/IP application that notifies the user if there is email in the user's email server.
  • Simple Sniffer in C#Dec 03, 2001. This program shows you how to retrieve data from a packet using Sockets.
  • IP LookUp Program in .NETApr 03, 2002. This is an IP look up program that uses C# Windows Forms and IPHostEntry to resolve the DNS request.
  • IP Address Hostname ConvertorApr 04, 2002. This is an IP Address-Hostname converter written in C# Windows Forms.
  • Trace Utility to Trace IP Packet PathMay 16, 2002. Trace utility traces the path of an IP packet. To understand the process, its important to understand ICMP protocol we are going to use for this purpose.
  • SMTP and POP3 Mail ServerSep 13, 2002. This is simple implementation of SMTP and POP3 server. Two new features are added to the original code.
  • AddressParserFeb 06, 2003. The AddressParser class provides 2 static methods - ParseIpAddress and ParseMacAddress.
  • A CLassic Warm Game Over TCP/IP with Multiplayer SupportJun 09, 2003. Worms.NET is an example of networking and graphics programming on .NET. This is a classic game with a worm.
  • Masked TextBox ControlJan 26, 2004. This Masked Edit TextBox intelligent user control enhances the function of TextBox control, which can mask the Date, IP Address, SSN, Phone number, digit, decimal and check the validation, automatically set delimit location.
  • TFTP application written in C#Jul 07, 2004. This application is the beginning of a program I want to use to download switch/router configuration files via TFTP and archive them. This application merely asks for an IP address and a filename then it receives the file via TFTP and displays it in a RichTextBox.
  • Portscanning for Kazaa using C# SocketsJan 01, 2006. In this article, you will learn how to write c# code to scan a host computer, and determine if it is running Kazaa, the popular P2P file sharing program.
  • 10 Measures to Reduce Credit Card Fraud for Internet MerchantsJul 27, 2006. The purpose of this document is to introduce 10 preventative measures that merchants can take in order to minimize credit card fraud. In addition, we would like to take this opportunity to introduce a complete suite of FraudLabs™ Web Services specializing in the analysis of credit card fraud risk for Internet merchants.
  • Extracting the Country from IP AddressSep 25, 2007. Sometimes we want to get visitors details who visit our web site or using client connecting our server. This sample descirbes how to translate IP address and query countrie and city from IP address.
  • Tracking Clicks by IP Address Using C# and XMLNov 20, 2008. This is a very simple and easy article, which gives an idea for track the IP address and for getting the number of cliks from a particular system.
  • What is IPV6Dec 29, 2008. Details about IP Version 6
  • Getting an External IP Address LocallyJan 20, 2009. This short article shall address the easiest way possible to get your external IP address (and local/internal IP address).
  • Changing the DNS or URL (host header) in SharePoint 2007 SiteMay 05, 2009. In this article we will see how to map the sharepoint site with public IP using Alternate Access Mappings.
  • Geographical Information by IP Address in ASP.NET and C#Jun 02, 2009. This article and attached code demonstrates how to get a website visitor's geographical information such as country, region, city, latitude, longitude, zip code, time zone by using his or her IP address.
  • Find Client IP Address And Location in ASP.NETJun 30, 2011. In this article we will see how to find the IP address of the client and the location of the specified IP address.
  • Track Client Location From IP Address in ASP.NETAug 27, 2011. In this article we will discuss second method to find client location on the basis of Ip Address of the client.
  • Introduction to Softphone TechnologyJan 05, 2012. In this article I attempt to summarize the basic concepts of VoIP communication and softphone technology. I made a research on this topic and found that Voice over IP technology had great achievements in the last decades, and now we can find various tools to use for online communication or to make our own VoIP implementation. I will give in this article brief definitions of the basic terms concerning the topic and show a possible tool for softphone programming too.
  • Networking in JAVAFeb 20, 2012. In this article we are exploring networking using TCP/IP protocols and try to make a small server and clients and show some information.
  • Browser Information in PHPMar 12, 2012. Using this article one can easily understand, how to determine browser name and IP address in PHP.
  • Check Which TCP/IP Ports Are in Use in Windows 8 to Secure Your PCMay 03, 2012. In this article i will explain how to determine which TCP/IP ports are in use in Windows 8 to secure your PC
  • IP Lookup program in VB.NETNov 10, 2012. This is an IP look up program that uses VB.NET Windows Forms and IPHostEntry to resolve the DNS request.
  • Getting an External IP Address LocallyNov 10, 2012. This short article shall address the easiest way possible to get your external IP address (and local/internal IP address).
  • Using MAPI Control to Send Mail in VB.NETNov 10, 2012. This piece of code is in the initial stage. This is a way towards automating the E-Mail client like Outlook Express. The next version will send and receive messages. Hang on friends for my code for sending messages by Winsock.
  • How to Assign Static IP Address in Windows 8Dec 06, 2012. In this article we are explaining how to assign a static IP address in Windows 8.
  • Reset Internet Protocol (TCP/IP) in Windows 8Mar 09, 2013. In this article we are explaining how to reset Internet Protocol (TCP/IP) in Windows 8.
  • What to Install to Assign IP Address Through Windows Server 2012Mar 10, 2013. In today's article you will learn what features you should first install for assign an IP Address to multiple users.
  • How to Specify New IP Address Range Through DHCP ServerMar 12, 2013. In this article you will learn how to specify an IP Address Range through DHCP Server in Windows Server 2012.
  • How to Assign IP Automatically and Manually to Client MachineMar 21, 2013. In today's article you will learn how to assign an IP automatically and manually to a client machine.
  • How to Get Current User Details in JavaScriptMay 06, 2013. In this article I will explain how to access the current user's details in JavaScript.
  • Network Tool Whois in C#Aug 29, 2013. WHO-is is a Network Tool or a Query. In general, it come in practice to get the hidden details about the Host like Domain Name, IP address and details about the person/organization who is really hosting.
  • FTP ConfigurationJan 07, 2014. In Windows 7, you can share files on a home network easily using a Home Group. A FTP Server however provides many benefits.
  • Assign Different/Multiple IP Address to NIC Network Card in Windows 7Mar 04, 2014. In this article we will learn how to assign different /multiple IPs on a single network interface card (LAN card).
  • Get IP Address Using C# CodeMar 13, 2014. In this article, we find the IP Address of the local device.
  • Getting IP Address and Host Name Using Dns ClassAug 03, 2014. In this article, we learn how to get an IP Address and Host Name using the Dns Class in C#.
  • IP Address and Domain Restrictions in IIS 8Oct 08, 2014. This article covers how to configure Dynamic IP Restrictions.
  • Applied C#.NET Socket ProgrammingOct 20, 2014. This article explains the key networking concepts, for instance ISO stack, of TCP/IP under the C# framework by employing its essential socket classes and how applications can logically and physically be distributed in a network environment.
  • Virtual Hosting or Virtual Directory Using IISJan 14, 2015. This article explains how to create a Virtual Host or Virtual Directory on a single Virtual Machine using IIS. This post is helpful for website designers for creating multiple virtual hosts on a single IP or host server.
  • How to Get IP Address in Windows Phone 8Feb 13, 2015. In this article we will see how to programmatically get the IP address in Windows Phone 8.
  • How to Set the IP Address of an Epson TM-T88IV Ethernet Receipt PrinterMar 23, 2015. In this article you will learn to manage the IP address of an Epson TM-T88IV Ethernet receipt printer.
  • Send Email Using ASP.Net With C#Jul 16, 2015. In this article you will learn how to send an email using ASP.NET and C#.
  • Who Owns My Online DataDec 21, 2015. Are you posting your personal content online? You may not own your own intellectual property anymore.
  • An Overview Of IIS 7.5 Feature - IP & Domain RestrictionsMar 11, 2016. In this article, we will look into one of the features of IIS 7.5 that helps in restricting access to a web site based on IP address or domain name.
  • Get IP Address In ASP.NETApr 18, 2016. In this article I will show you how to get the IP address of the visitor of your website. There are so many reasons to get the IP.
  • Resolve Error 40: Could Not Open a Connection to SQL ServerMay 10, 2016. In this article we will discuss about various reasons and solutions to resolve error : 40 related to SQL Server connection.

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