ip address blocks by country

Recently there is a Web site project requirements: the need to block domestic requests. Take the time to study the information in this area. The best way to find it now is to use the Nginx GeoIP module to realize the region's identification. Then

IPv4 address is about to run outRemember, 10 years ago, I told you about the IPV4 address that was about to run out? Although, this process took some time, but today, this time is still coming: with Asia, Europe, Latin America in the recent more

(1) functions: 01 H, 07h, and 08 h Function Description: reads a character from a standard input device (for example, a keyboard. The interrupt will remain in the waiting state during the processing until the characters are readable. This input can

Ccproxy is a home-grown proxy server software that supports proxy protocols such as HTTP, FTP, Gopher, SOCKS4/5, Telnet, Secure (HTTPS), News (NNTP), RTSP, and MMS. Because of its easy to use, user-friendly interface, very suitable for the traffic

Real case: DOS attacks on websitesDOS attacks on the ghost website I. Event background Long holidays are a short vacation period for IT staff, but it systems cannot be stopped for a while. The more holidays, the more likely a major problem may occur,

Browser and server involves a lot of network communication content, here do a weakening introduction, as the front-end focus on part four.First, network Environmental protectionLet us first assume that the URL we visit is www.abc.com and that the

In the previous blog, we talked about how to capture web pages in Linux. There are two methods: curl and wget. This article will focus on the Linux Web page capture instance-capturing the top game rankings of Google Play in the world's 12

Youku Video Site ArchitectureI. Overview of basic data of the websiteAccording to 2010 statistics, Youku daily average number of independent visitors (UV) reached 89 million, daily average visit (PV) is reached 1.7 billion, Youku with this data to

Some time ago read the "deep understanding of the Linux kernel" to the memory management part of it spent a lot of time, but there are still a lot of questions that are not clear and have recently taken some time to review, documenting your own

The seventh Chapter study programmingAdvantages of javascript: It is supported by all browsers. Its code is also easy to show to others. The language itself is relatively simple and requires a low demand for learners. But it's very