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  One of the introduction to DNS

  First, the domain name space is an inverted tree, with the root directory at the top, and below are some top-level domain names (first-level domain names). Each node in the tree has a text label (text label) that can be up to 63 characters long (excluding "."). Empty label (length 0)

  2022-06-01 07:36:57 Views: 201
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  Detailed explanation of VMware Network configuration

  VMware commonly used virtual machines of the commonly used Host-only, Bridge, NAT three kinds of network connection, the following is a part of personal experience sharing. Three ways of VMware network setup 1 Host-only connection mode (1) principle: simple

  2022-06-01 07:36:32 Views: 293
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  A brief introduction to ciscn

  The official website of www.ciscn.cn National Information Security Competition for College students the Ministry of Education in accordance with the "opinions of the Ministry of Education on further strengthening the discipline, Specialty Construction and personnel training of Information Security" (Jiao Gao (2005) No. 7) and the Ministry of Education on the Establishment of the Ministry of Education in 2006-2010

  2022-06-01 07:36:31 Views: 299
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  Fix the problem that Cydia cannot be connected to the Internet

  Use the iPhone5 of h4lix jailbreak 10.3.3 to enter the Cydia solution: open Cydia, enter the installed list, click Cydia Installer to uninstall, and then see that there is no Cyd on the desktop.

  2022-06-01 07:36:19 Views: 298
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  How to clone the current ESXi system to an SD card or USB disk?

  Recently, there are students on how to clone the ESXi system installed on the local disk to the SD card or USB disk, in order to quickly achieve the VSAN-Ready state of the ESXi host. It just so happens that cats and cats are also a little interested, so I studied this way, and the general idea of work is to "communicate first."

  2022-06-01 07:36:19 Views: 232
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  How to securely transmit data across networks in an enterprise local area network

  Many enterprise environments isolate the R & D area and office area physically or logically, and distinguish them according to different network segments to ensure the data security of the R & D network segment. Address link: http://mp.weixin.qq.com/s?_

  2022-06-01 07:36:16 Views: 215
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  Analysis of source code anti-disclosure software

  At present, all kinds of encryption and anti-disclosure software are flying everywhere in the market, but very few can support source code encryption and anti-disclosure. Although some encryption software with binding file types and suffixes claim to support source code encryption, they affect compilation and debugging, version management and other problems emerge in endlessly. How to choose a real one

  2022-06-01 07:36:15 Views: 246
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  Linux Network Management (7) implementation of team Group in centos7

  Linux Network Management (7) implementation of team Group in centos7 in linux, centos7 used to use bond mechanism to bind multiple networks to the same IP address to provide access to the network, and load balancing or reincarnation management according to different modes

  2022-06-01 07:36:12 Views: 241
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  A big pit in the binding scheme of IoT devices

  How do you bind a device    review how you used a smart home device and how a newly purchased device was added to your account. If you complete the binding by entering a static string on the device, then congratulations on this product has a big hole, of course, this pit is not dedicated

  2022-06-01 07:36:12 Views: 227
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  Introduction of Huawei Network equipment and basic configuration Command

  Blog outline: first, Huawei product classification 2, Huawei network equipment operating system: VRP 3, Huawei network equipment simulator and basic configuration commands 1. Huawei product classification: at present, Huawei network products include routers, switches and firewalls. 1. Routers are mainly divided into AR series and NE series.

  2022-06-01 07:36:00 Views: 271
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  EOS Code Analysis IPFS distributed File system with 3 EOS Storage Mechanism

  EOS uses the IPFS distributed file system as the underlying storage. IPFS is a distributed file system that is addressable, point-to-point, and transmitted over the http protocol. IPFS uses content-addressable addressing technology, that is, to retrieve the contents of the file.

  2022-06-01 07:35:57 Views: 272
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  After the express laser welding customer service phone was turned off.

  After the express laser welding customer service phone was turned off.

  2022-06-01 07:35:50 Views: 204
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  Posix shared memory

  Posix shared memory involves the following two steps: 1. Specify a name parameter to call shm_open to create a new shared memory area object or open an existing shared memory area object. 2. Call mmap to map the shared memory area to the address space of the calling process.

  2022-06-01 07:35:50 Views: 252
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  Firewall and iptables of [basic part]

  Firewall, iptablesfirewall and iptables can only open one fire wall by default: configure the fire wall in the form of a graphical interface. Firewall-config uses the command line interface to configure the firewall to view the status of the firewalld:

  2022-06-01 07:35:50 Views: 265
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  Source code security is the core task for the healthy development of software development enterprises.

  Source code security is of great significance for software development enterprises, no matter from the early product research and development, or the later product operation, from a long-term perspective, source code security for development enterprises is the guarantee of their development life. In the early stage of product development, protecting source code security can prevent enterprises

  2022-06-01 07:35:49 Views: 212
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  Cisco3550 configuration command learning

  Proficient in cisco 3550 common configuration commands to set the device label name, generally by device model + physical location + management IP address command: (config) # hostname machine_name to view the device system version and information sh

  2022-06-01 07:35:49 Views: 296
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  # 7tick 36th encryption technology

  Three famous encryption algorithms: md5 (message-digest algorithm 5): converts a string of arbitrary length into a large integer of 128bit, and this transformation is an irreversible string transformation algorithm. Typical application: fingerprint a piece of information, but

  2022-06-01 07:35:49 Views: 248
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  Data execution Protection-run a dll as an app

  The phenomenon is shown in the figure: solution: my computer-- Properties-- Advanced-- performance-- data execution protection-- enable DEP for all programs and services except the following selected programs and services. Check "run a dll as an app".

  2022-06-01 07:35:45 Views: 256
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  Prevention of "ip deception"

  one. To prevent mac address spoofing, Port Security can be enabled on the switch. Falsifying the mac address will cause the secure port to enter errordisable state II. To prevent ip address spoofing, "dhcp snooping" Ip spoofing can be enabled globally on the switch.

  2022-06-01 07:35:44 Views: 250
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  Auto change ip and hostname

  #! / bin/shETHCONF=/etc/sysconfig/network-scripts/ifcfg-eth0HOSTS=/etc/hostsNETWORK=/etc/sysconfig/net

  2022-06-01 07:35:44 Views: 246