Common network security management commands and network security commands
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Common network security management Commands include: ping command to determine whether the host is connected, ipconfig to view IP address configuration,
Linux Network-related commands and linux Network-related commands
Ifconfig
Ifconfig is the command to view the NIC in centos6. In centos7, you must install the net-tools package before using it?Nic configuration file:/etc/sysconfig/network-scripts/ifcfg-ens33?Command: ifcon
, including TCP, UDP, ICMP and IP statistics, etc.
6. Detect ARP Bindings (dynamic and Static) list, show all connected to my computer, display the other IP and MAC address
Arp-a
7. On the proxy server side
Bundled IP and MAC addresses to address local area network misappropriation ip!:
Arp-s 192.168.10.59 00-50-ff-6c-08-75
Unbind the IP of the NIC from the MAC address:
ARP-D Network card IP
8. Hide
Network Configuration Common commands Introduction:The function of the network kernel in Linux1. Execute command generated address:(effective immediately after execution, service restart after the failure)RHEL5:/etc/modprobe.confRHEL6:/etc/udev/rules.d/70-persistent-net.rulesAliasIfconfig [EthX]-A: Shows the configuration of all interfacesIfconfig EthX Ip/mask [
Linux traditional network configuration command and ip advanced routing command-Linux Enterprise Application-Linux server application information, the following is a detailed description. Knowing how to configure network commands is a must-have technique for general technicians. After some time of research and study, I have summarized some common
Learning examples of conventional network configuration commands and advanced IP address routing commandsBy kindgeorge 2005.5.9Knowing how to configure network commands is a must-have technique for general technicians. After some time of research and study, I have summarized some common
Knowing how to configure network commands is a must-have technique for general technicians. After some time of research and study, I have summarized some common commands and examples for future reference.
The traditional IP advanced routing commands between and can be used in common and achieve the same purpose, but th
Article Title: Traditional network configuration commands and IP advanced routing commands. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Knowing how to configure network
Network command: Ping (Test network connectivity)Network command: Ifconfig (view and set network card information)Note: When viewing the NIC information, enter the Ifconfig command directly.Network command: Last (lists user information for current and past logged-in systems)Network
. Can see the SEttings for configured Ethernet devices in The/proc/net/dev ' pseudo file
Network Configuration related commands:
/bin/hostname Display host Name
/etc/rc.d/init.d/network Network Service startup script (service network restart)
/sbin/ifconfi
As a common Internet user, sudden network faults have a headache. They not only affect our use, but also cause unnecessary losses, therefore, simply understanding the basic network test commands is also a good thing for us, saving time and improving work efficiency. Today, I would like to list some of the most common network
Common Linux commands (6) -- Network Communication commands 1. command name: writewww.2cto.com execution permission: all users function description: send information to another user, with CTRL + D as the concluding remarks: write lt; user name gt; root sends information to the luxh user [root @ l...
Common Linux commands
: LastFunction Description: Lists the current and past logged in system User Information example: lastCommand name: LastlogCommand path:/usr/bin/lastlogExecute Permissions: All UsersSyntax: LastlogFunction Description: Check the last login time for a specific user example: Lastlog lastlog-u 502 (502 for user ID)Command name: tracerouteCommand path:/bin/tracerouteExecute Permissions: All UsersSyntax: tracerouteFunction Description: Displays the path between the packets to the host traceroute www.
= 255.255.255.0GETEWAY = 192.168.1.1ONBOOT = yesTYPE = EthernetNote: BOOTPROTO can only use the configured IP address in static mode.Modify dnsVim/etc/resolv. confThe modification takes effect immediately and starts as well.
FormAdd nameserver = ***.***.***.***Up to three candidates can be selected as candidates after the previous failure.
Modify host nameEffective immediately:Hostname fc2Start effective:Vim/etc/sysconfig/networkThe format is as follows:NETWORKING = yesHOSTNAME = rh-linux.fc.or
Network communication commands1. Send a message to a user: write Command name: Write English Original: command path:/usr/bin/write Execute permissions: All user syntax: Wirte 2. Send broadcast message to all users: Wall Command name: Wall English Original: Write all command path:/usr/bin/wall Execute permissions: All user syntax: Wirte 3. Test network connectivity: Ping Command name: Ping English Original
installed, even if there is no network card, pensive IP The address can also be ping through. And, even if ping a host and ping , and not necessarily the network has a problem, there are many kinds of possible causes this situation, and later to study carefully.4. ifconfig [/sbin/ifconfig] #用于查看网卡信息, the-a option is added by default in Linux , but in UNIX The add-a option must be displayed in the system
the syntax in the following format:Traceroute website(9) NetstatThe netstat command is used to display network-related information , where the path is/bin/netstat, with the syntax in the following format:netstat [options]where the-t option represents the TCP protocol, the-U option represents the UDP protocol,-L for listening,-R for routing, and-n for displaying the IP address and port number .such as: view the local listening port-----netstat-tlunVie
/1024435_1414734241IMcH.jpg "Height =" 271 "/>-H Option
The number of hops of a trail. The following command only shows 5 hops. It can be seen that the command only follows 5 hops and ends. Generally, the link in the local province may be within 5 hops.
650) This. width = 650; "Title =" clip_image008 "style =" border-top: 0px; border-Right: 0px; border-bottom: 0px; border-left: 0px; "Border =" 0 "alt =" clip_image008 "src =" http://img1.51cto.com/attachment/201410/31/1024435_1414734242Fhle.jpg "
The network administrators started their brains and summed up a lot of network troubleshooting skills. However, by carefully reviewing these skills, we can see that some of the troubleshooting skills are performed on the Windows interface. Although these tricks are more convenient for users, it can also effectively improve the efficiency of network troubleshootin
Common Linux Network commands and linux commands
1. tracepath
Tracepath traces the network path of the specified destination address and provides each hop on the path ). If your network is faulty or slow, tracepath can find out where the
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