Extracting the Client IP in IIS 7.0 and 7.5

NOTE: This article covers obtaining the original client IP for logging purposes. If you need to obtain it for use in your code, check out this article. IMPORTANT! Before implementing the steps below, we’ll assume you’ve enabled the “client-ip” header pass-through. To do so, log into the management portal and edit your server(s). In the […]

Extracting the Client IP in IIS 6 or lower

NOTE: This article covers obtaining the original client IP for logging purposes. If you need to obtain it for use in your code, check out this article. IMPORTANT! Before implementing the steps below, we’ll assume you’ve enabled the “client-ip” header pass-through. To do so, log into the management portal and edit your server(s). In the […]

Extracting the Client IP in Apache 2.0 and 2.2

NOTE: This article covers obtaining the original client IP for logging purposes. If you need to obtain it for use in your code, check out this article. NOTE: Before implementing the steps below, we’ll assume you’ve enabled the “X-Forwarded-For” header pass-through. To do so, log into the management portal and edit your server(s). In the settings […]

How does a DNS query work?

When you open your browser and type in “www.example.com”, or a DNS client needs to look up a name used in a program, it queries DNS servers to resolve the name. Each query message the client sends contains three pieces of information, specifying a question for the DNS server to answer: A specified DNS domain […]