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  74. Root Guard of STP security configuration experiment

  1. Root Guard parsing in order to protect the stability of Spanningtree, Root Guard is configured on the designated port of the root bridge or the port on which the switch is connected to a non-switch. When a better BPDU is received on the interface configured with Root Guard, the interface

  2022-06-01 08:48:36 Views: 248
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  How to deal with the danger of https reminder Certificate

  In today's society, almost all people can use the Internet, everyone can access the Internet, the network and our lives are inseparable, in the face of the development of the network, our information security is also facing great challenges. What if we remind the certificate danger in https? Next, I will give you a detailed answer.

  2022-06-01 08:48:29 Views: 282
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  Encryption algorithm notes

  The longer the length of this cryptographic key has been used since ancient Egypt, the stronger the reliability of encryption is that the key is a set of specific strings and is the only parameter that controls the conversion between plaintext and ciphertext. Symmetric encryption algorithm: the key used in decrypting data is exactly the same as the key used in encryption

  2022-06-01 08:48:23 Views: 256
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  What are the advantages of ssl two-way certification and what is the certification process?

  Ssl is a kind of digital certificate, which is a kind of security certificate, which is configured in many websites, because after this certificate is configured in the website server, it can have a lot of functions. In addition, this kind of certificate is generally two-way authentication, and there are certain benefits after authentication. So, ss

  2022-06-01 08:48:23 Views: 297
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  Is the ssl certificate expensive? What are the application requirements?

  Is the ssl certificate expensive? What are the application requirements? Many people do not understand, today the editor in order to let you know more about the ssl certificate, so give you a summary of the following content, let's look down together. Because of the high security of ssl certificates, more and more enterprises are trying to protect their websites.

  2022-06-01 08:48:19 Views: 219
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  Is the ssl free certificate reliable? Where can I apply?

  If the enterprise wants to give the website better protection, it needs to configure a security certificate to the website. Ssl certificate is a kind of digital certificate, which has high security and can protect the information security of the website, so it is good to configure this certificate for the website. However, there is a charge for this kind of certificate, so

  2022-06-01 08:48:16 Views: 252
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  Drupal Drupalgeddon 2 remote code execution vulnerability (

  Loophole recurrence: 1. Referring to a2u / CVE-2018-7600, we can send the following request to drupal: POST / user/register?element_parents=account/mail/%23v

  2022-06-01 08:48:13 Views: 259
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  What is the purpose of the SSL certificate and where to apply

  A SSL certificate is a digital certificate that is similar to an electronic copy of a driver's license. However, this kind of certificate is generally configured in the website server, so this kind of certificate is also called server certificate. It is understood that SSL certificates have many functions, so many enterprises will configure this kind of certificate for websites.

  2022-06-01 08:48:10 Views: 272
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  Redsocks2 automatic proxy Settings

  Redsock2 can redirect some proxy servers that do not support transparent proxies, so that transparent proxies can be realized. Redsock2 installation is very simple and direct make is fine. Ubuntu needs apt-get intsll libevent-.

  2022-06-01 08:48:09 Views: 283
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  Overview of switch Security

  Ensuring the security of campus network devices is as important as designing a network with high availability. If there are security vulnerabilities, it will seriously threaten the normal operation of the company's business. Most industries or enterprises focus on security from outside the enterprise, as well as for the upper layer of the OSI model.

  2022-06-01 08:48:09 Views: 203
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  Juniper Screenos concepts and terminology

  An overview of 1.Netscreen firewall: a. Functions: layer 2 and layer 3 forwarding, basic packet filtering, NAT network address translation, b. UTM unified threat management firewall, router, IPS,IDS, anti-virus integration; (such as Tianrong letter

  2022-06-01 08:48:00 Views: 220
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  79. SPAN of switch configuration experiment

  1. Lab Topology 2, experiment configuration S1 configure monitor session 1 source interface Fa0/1monitor session 1 destination interface Fa0/

  2022-06-01 08:47:51 Views: 276
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  Haproxy configuration log and custom log

  Log level: emerg 0 system unavailable alert 1 must act immediately event crit 2 critical event err 3 error event warning 4 warning event notice 5 ordinary but important event info 6 useful

  2022-06-01 08:47:50 Views: 262
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  Fronted bind ip Port issu

  Example: maybe it's the configuration habit. Some people don't make mistakes for the rest of their lives, while others are different. I don't pay much attention to the difference between 0.0.0.0 and 192.168.0.1. I know the difference between the two.

  2022-06-01 08:47:50 Views: 210
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  Verification process of HTTPS certificate verification

  Now the network has been widely used in people's daily life, so the network is also constantly upgrading, its security performance should be better and better in order to meet the requirements of people. Some of the compiled programs are easy to learn, easy to master, and easy for people to use. There was HTT as early as 16 or 17 years ago.

  2022-06-01 08:47:45 Views: 284
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  Boot directory erroneous deletion repair

  Boot directory erroneous deletion repair 1, insert CD, enter rescue mode. Finally, start a shell process. First create a temporary directory to mount the CD image. After the kernel package 2 in the rpm-ivh installation CD image is installed, check the boo in the root directory again.

  2022-06-01 08:47:31 Views: 202
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  Grep, egrep and their corresponding regular expressions and usage

  Grep: grep,egrep,fgrep, text search tool, fuzzy search for given text based on PATTERN. GREP works in greedy mode by default. Grep:grep [OPTIONS] PATTERN [FI

  2022-06-01 08:47:30 Views: 241
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  Note when using ipsec dpd

  It takes a specified time or a specified amount of traffic for ipsec sa ike sa to be reestablished. If the tunnel at one end is interrupted, the other end may not be aware of it, resulting in impassable * * traffic. Using dpd technology is equivalent to a heartbeat message, when a specified period

  2022-06-01 08:47:30 Views: 235
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  Front-end build tool gulp

  Some time ago, I worked on a project and tried to use gulp to build the front-end code. Today, a brief summary: one: install gulp environment 1. Install node download the matching version in the node official documentation. I downloaded the version shown below. Http://nodejs.cn/

  2022-06-01 08:47:00 Views: 239
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  How to choose the right PoE switch?

  The PoE switch is also a kind of switch, but unlike the ordinary switch, it has a kind of switch that can supply power. The following is a brief introduction: ordinary switch: the common switch is Ethernet switch, which only has the function of data transmission and exchange. PoE switch: different from ordinary switch, P

  2022-06-01 08:46:57 Views: 221