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  Configuration of dynamic NAT

  Dynamic translation means that when the private IP address of the internal network is translated into the public IP address, the IP address pair is uncertain, but random, and all private IP addresses authorized to access the Internet can be randomly translated into any specified legal IP address. That is, as long as you specify which internals

  2022-06-01 05:00:36 Views: 237
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  Network Management commands commonly used in linux

  Network management commands commonly used in network configuration rhel/Centos: set ip basic information related configuration file 5pi version 6: system-config-network (setup) configuration file location: / etc/sysconfig/netw

  2022-06-01 05:00:34 Views: 218
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  An old device Cisco 1841 router was reused and forgot the enable password

  Clear the password of the Cisco 1841 router: (1) connect the console line to the computer and the Console port of the router, connect through the terminal client, and power on the router (if the device has been started, press the power button to restart the router, and press [Ct] when the router starts to boot

  2022-06-01 05:00:30 Views: 283
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  Perfect Software Firewall realized by Iptables+L7+squid

  The perfect software firewall implemented by Iptables+L7+squid Iptables uses the linux operating system as a software firewall to achieve macro protection. The packet first goes through the firewall to the tcp/ip protocol stack, and the firewall goes through some mechanisms of the kernel.

  2022-06-01 05:00:30 Views: 291
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  IOS 13 Bypass Lock screen password vulnerability

  IOS 13 will be released soon, and before it is officially released, Spanish security researcher Jose Rodriguez has revealed a loophole that can bypass the lock screen password to check address books, photos, and text messages. On iOS devices, when the screen is locked, the user cannot check

  2022-06-01 05:00:29 Views: 290
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  Network Engineering IP address and Subnet Mask

  Hello, everyone, today Xiaoxiao updates the network part. It is no stranger to you to hear the IP address, but there must be a lot of friends who are just familiar with it. I don't know the relationship between them. Today, Xiaoxiao will discuss the relationship between them with you. Three elements of communication between host and host:-IP address (IP a

  2022-06-01 05:00:29 Views: 245
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  UBUNTU configures any version of APT-GET image

  We know that so far, there have been several distributions of Ubuntu, such as 11.04,11.10, and now the latest 16.*. We usually install the software through apt-get. If the version of OS is different, then the configuration of the mirror source will be different, otherwise it will not be found.

  2022-06-01 05:00:29 Views: 299
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  Use syslog to log Cisco devices

  Use syslog to log Cisco devices the following configuration describes how to send logs for Cisco devices to the syslog server device#conf tdevice (config) # logging ondevice (confi

  2022-06-01 05:00:28 Views: 282
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  A naive pattern matching algorithm for illustrating strings

  Review string naive pattern matching algorithm pattern matching: substring location operation to find out the location of the substring in the main string. In string matching, the main string S is called target (string) and the substring T is called pattern (string). If the substring T can be found in the main string S, the match is said to be successful and returns

  2022-06-01 05:00:28 Views: 256
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  Analysis of ppp, hdlc, EthernetII protocols

  Ppp protocol (point-to-point protocol) belongs to the network interface layer, which is mainly used for dial-up access to Internet. PPP has the ability to assign IP addresses dynamically, allowing IP addresses to be negotiated at connection times, error detection and correction capabilities, and supporting data compression.

  2022-06-01 05:00:24 Views: 234
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  Native vlan AND trunk AND link

  Analysis of nativevlan and TRUNK Link nativevlan: pc1-port1-sw1-port2-port1-sw2-port2-pc2 Local

  2022-06-01 05:00:23 Views: 202
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  Vue load on demand to enhance user experience

  Vue official document Asynchronous component: in large applications, we may need to split the application into several small modules and download them from the server on demand. To make things easier, Vue.js allows you to define a component as a factory function that parses the definition of the component dynamically. Vue.js is only available in components

  2022-06-01 05:00:08 Views: 211
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  WebLogic deserialization vulnerability causes getshell

  This article is mainly about a path we often use in host * * (Survival judgment-Port scanning-Port deletion (web Port)-targeted * * (web***)), which mainly involves finding vulnerabilities, exploiting vulnerabilities, obtaining upload locations, and so on.

  2022-06-01 05:00:00 Views: 284
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  Several problems of ISIS metric change in backbone Network

  In the backbone network, the MPLS platform based on ISIS protocol is often used, in which manually setting the Metrix value of ISIS is a common means to control the direction of traffic. I would like to share with you 2 problems encountered when changing the metricvalue in the backbone of an enterprise this week. (

  2022-06-01 04:59:56 Views: 271
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  Analysis of ConcurrentHashMap principle

  HashTable is a thread-safe class that uses synchronized to lock the entire Hash table for thread safety, that is, locking the entire table to the thread at a time. ConcurrentHashMap allows multiple modification operations to be carried out concurrently, and the key is

  2022-06-01 04:59:50 Views: 300
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  Iptable template

  #! / bin/shecho "starting forward..." if [- e / proc/sys/net/ipv4/tcp_ecn] thenecho 0 > / proc/sys/net/ip

  2022-06-01 04:59:44 Views: 236
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  Firewall USG doing NAT to generate routing Loop and its solution

  1. According to the topology to connect the device, configure pc and server address 2, firewall basic configuration interface address interface GigabitEthernet0/0/0alias GE0/MGMTip address 192.168.1

  2022-06-01 04:59:44 Views: 247
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  Talking about the Enterprise Safety Management platform under big data

  With the rapid development and wide application of information technology, the emergence of new technologies such as the Internet of things, big data, cloud computing and so on, new products and new models of the Internet continue to emerge. Take the financial industry as an example, the emergence of new technologies such as online banking, online trading and Internet finance has brought great convenience to people.

  2022-06-01 04:59:40 Views: 300
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  Create a ldquo; shortcut for your favorite website & rdquo; [url]

  Writing this comes from the link to the website you saw when downloading, and some commonly used websites want to open even the browser. For example, my blog, I have heard such a sentence. Anyone who is committed to automation is actually a lazy person, which makes sense. 1. First, we can build a new one.

  2022-06-01 04:59:40 Views: 254
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  Citrix Netscaler series-client improvement plan

  Customer improvement experience Plan of Netscaler system configuration customer improvement experience Plan 1. The first time you log in to Netscaler11 using web, you will be prompted to enable the experience improvement program. Click enable or click Skip. two。 You can enable or disable customers through system-> Settings

  2022-06-01 04:59:36 Views: 211