10 recommendations for Black Hat articles

VLAN (Virtual Local area Network), which is built on the basis of Ethernet interaction technology, can divide the same physical network into multiple valn, or cross the physical network barrier, and divide users from different subnets into the same VLAN. Figure 2 is an example of a VLAN partition. Figure 2 There are many ways to implement VLANs, based on the VLAN division of the switching device, there are generally two kinds: l Switch-based port division L based on IEEE 802.1q protocol, extended Ethernet frame format based on the second layer of VLAN technology, there is a trunking concept, The trunking is used to connect between different switches to ensure that members of the same VLAN established across multiple switches can communicate with each other. The ports in which the switches are interconnected are called trunk ports. In addition to 80.2.1q, Cisco has its own trunk protocol called ISL. Figure 3 Figure 3 is a 802.1q packet, and the normal Ethernet frame does not have the essential difference, just adds a VLAN Tag. VLAN identifier in red section

1. Python Black Hat programming 3.4 spanning VLANs

Introduction: VLAN (Virtual Local area network), is built on the basis of Ethernet interactive technology network, can not only divide the same physical network into multiple valn, can also cross the physical network barrier, the different subnets in the same VLAN. This article mainly describes the Python black Hat programming 3.4 spanning VLAN related data, need a friend reference under

2. PHP determines the time zone to determine the browser language _php tutorial

Introduction: PHP Determines the time zone to determine the browser language. PHP determines the Black Hat code for the time zone to determine the browser language. Sword in hand, look at the sword of the person's kendo, this code can be further improved, to be more secretive. I just got a

3. PHP implementation screen out the Black Hat SEO search keyword _php tutorial

Introduction: PHP implementation to shield off Black hat seo search keywords. PHP implementation to shield off Black hat seo search keywords I give you a way my thinking is like this the big guys want to do this thing most still want to leave QQ or phone number

4. PHP implementation shield off black hat seo search keyword, seo keyword _php tutorial

Introduction: PHP implementation to shield off Black hat seo search keywords, seo keywords. PHP implementation to shield off the black Hat seo search keywords, seo keywords believe that a lot of webmasters have encountered this situation: the site's search function is used by bad molecules, through the search box in the station constantly

5. PHP determines the time zone to determine the browser language

Introduction: PHP Determines the time zone to determine the browser language. PHP determines the Black Hat code for the time zone to determine the browser language. Sword in hand, look at the sword of the person's kendo, this code can be further improved, to be more secretive. I just got a

6. PHP implementation to screen out the Black Hat SEO search keywords

Introduction: PHP implementation to shield off Black hat seo search keywords. PHP implementation to shield off Black hat seo search keywords I give you a way my thinking is like this the big guys want to do this thing most still want to leave QQ or phone number

7. PHP implementation to shield off the black Hat seo search keywords, seo key words

Introduction: PHP implementation to shield off Black hat seo search keywords, seo keywords. PHP implementation to shield off the black Hat seo search keywords, seo keywords believe that a lot of webmasters have encountered this situation: the site's search function is used by bad molecules, through the search box in the station constantly

8. A simple way to block black hat seo search keywords

Introduction: Believe that a lot of webmasters have encountered this situation: the site's search function by bad molecular use, through the search box in the site constantly search for sensitive keywords, generating a large number of title on the page with sensitive keywords spam search results (such as). Because Baiduspider to each site crawl amount is limited, so these spam search results page is included in Baidu, will guide

9. PHP implementation to screen out the Black Hat SEO search keyword _php

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PHP implementation screen out black hat SEO search keyword _php instance

introduction: This article mainly introduces the PHP implementation to shield off Black hat SEO search keywords related information, recommended here to everyone, there is a need for small partners to refer to.