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  CCNA knowledge points

  CCNA knowledge point 1. Why should ISO's OSI seven-layer model be layered and function of each layer II. Functions of TCP/IP layers of TCP / IP protocol stack, TCP principle, IP protocol III. Ethernet principle Ethernet transmission principle, 802.3 (MAC sublayer), 802.2 (LL)

  2022-06-01 04:09:46 Views: 223
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  Cracking the Wireless routing password WPA

  Required tools: 1. U disk (backup data, need to format U disk) 2.xiaopanOS-0.3.6.iso operating system 3.Ultraiso floppy disk pass-for making U disk boot preparation work: 1. Install Ultraiso floppy disk pass (double-click the installation package directly) 2

  2022-06-01 04:09:38 Views: 224
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  How to block the https website and prohibit the access to the https website?

  HTTPS (HTTP over SSL) because of the particularity of its communication protocol, domain name information and access URL are protected by SSL encryption, so most router systems can not filter and block the domain names of https websites. And things like WFilter,

  2022-06-01 04:09:32 Views: 221
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  Xss principles of Learning Notes

  What is xssXSS, also known as CSS (Cross Site Script), cross-site scripting. It means that a malicious person inserts malicious html code into a Web page, and when a user browses the page, the html code embedded in the Web will be

  2022-06-01 04:09:29 Views: 287
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  Debug Cisco Enterprise Router

  Restore factory settings in privileged mode, enter this command: Router# erase startup-config restore factory settings Router#relod reboot system 2. Modify privileged password configuration command: rommon 2 > conf

  2022-06-01 04:09:21 Views: 243
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  NETCONF configuration of Huasan Exchange

  Netconf introduces netconf (network configuration protocol) netconf protocol structure: content layer, operation layer, RPC (remote call) layer, communication protocol layer RFC

  2022-06-01 04:09:20 Views: 300
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  Serv-u installation process

  This file is a more detailed installation process for serv-u. Beginners can take a look at the attachment: http://down.51cto.com/data/2365554

  2022-06-01 04:09:20 Views: 282
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  User-defined function of SQL

  There are two kinds of SQL Server user-defined functions: scalar function and table-valued function (inline table-valued function and multi-statement table-valued function). Beside the question, some friends may not know where the SQL Serve user-defined function should be written. Here is a simple hint, in M.

  2022-06-01 04:09:16 Views: 283
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  Virtual local area network VLAN

  Chapter 4 Virtual Local area Network VLAN Experimental Environment: the number of employees of Benet Shanghai Branch has reached 100, and its network equipment is shown in the figure. The current network environment leads to more broadcasts, slow network speed, and insecure. The company hopes to divide the network according to the department, and can guarantee a certain amount of network.

  2022-06-01 04:09:09 Views: 296
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  Subdomain authorization

  Authorize child domains on the parent domain .ocm-- > mageedu.commageedu IN NS ns1.mageedu.com.IN NS ns2.mageedu.com.ns1.mageedu.com IN A

  2022-06-01 04:09:08 Views: 243
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  Source code installs ntop network sniffer tool

  Source code package: libpcap-0.8.3.tar.gz rrdtool-1.2.13.tar.gz ntop-3.3.tar.gz installation order: first libpcap-0.8.3.tar.gz or rrdtool-1.

  2022-06-01 04:09:02 Views: 283
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  Linux command-- mkdir

  The mkdir command can create one or more directories at a time using basic syntax: mkdir directory name root@kali:~/eth20/eth20# mkdir testroot@kali:~/eth20/eth20# lste

  2022-06-01 04:09:02 Views: 262
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  Azure handle Series 1: Overview of Microsoft China Public Cloud

  I haven't written an article for a long time, mainly because of my laziness and giving up IT technology, but I believe that the prodigal son will never change, so I have come back. I believe that those who are still blogging are still doing IT, and they have more or less heard of the concepts of cloud, private cloud and public cloud, so what I want to share with you today is micro.

  2022-06-01 04:08:50 Views: 283
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  State Road small class, 100g optical module type introduction, everything you need is here!

  The standards related to the optical communication industry are mainly from IEEE, ITU and multi-source protocol MSA industry alliance and other institutions. 100G modules have multiple standards, and customers can choose the most cost-effective module types according to different application scenarios. Multi-mode optical fiber and VCS are often used in short-range applications within 300m.

  2022-06-01 04:08:42 Views: 277
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  Scanning and Application of Nmap in pentest box

  Recently, I have been thinking that in Web***, positive * * is a way of thinking, horizontal and vertical * * is also a way of thinking. In the process of *, the protection of the target primary station is getting stricter and stricter, while the C segment or B end of the IP address where the sub-station or the target is located is relatively easy.

  2022-06-01 04:08:39 Views: 293
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  OpenSSL 1.1.1 release officially supports TLS1.3

  After two years of patching and improvement, OpenSSL recently released version 1.1.1 and promised to support it for at least five years. OpenSSL's Matt Caswell thanked more than two hundred people for optimizing OpenSSL nearly 5000 times in his blog post.

  2022-06-01 04:08:37 Views: 217
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  The relationship between the number of subnets, hosts and subnet mask

  1. Use the number of subnets to calculate the subnet mask to divide the class B address 172.16.0.0 into 30 subnetworks. what is its subnet mask? ① converts the number of subnetworks from 30 to binary, which means 11110 ②. Count this binary number with a total of 5 digits ③ note: when there is only one in the binary number

  2022-06-01 04:08:30 Views: 272
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  30 experiments not to be missed in Information Security

  30 experiments not to be missed: Syracuse University SEEDLabs experiment list SEEDLabs is a complete set of information security experiments, covering most of the basic principles of undergraduate information security teaching. The project team was founded by Professor du Wenliang in 2002 and has developed 30 experiments.

  2022-06-01 04:08:25 Views: 301
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  Foundation of Wireless Local area Network

  Wireless local area network is actually a kind of shared network. Each wireless connection is half-duplex. To achieve full-duplex mode, it must be transmitted at one frequency and received at another frequency, but the IEEE 802.11 standard does not allow full-duplex mode. In addition to broadcast frames and multicast frames

  2022-06-01 04:08:25 Views: 283
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  How do beginners build their own websites?

  Websites are very important for companies and individuals, so many people are learning how to make their own websites, but novices often don't know how to make them. Then the editor will introduce to you how to build a complete website. First, to resolve domain names, we need to resolve the purchased domain names, many

  2022-06-01 04:08:22 Views: 299