Recently, my colleague reported that during the NSLookup test on the Intranet, I found that when I used the Intranet DNS server 192.168.1.1 for resolution, the DNS server responded very quickly and did not
Any errors. However, when the DMZ server 51.
read the basic requirements of this article:1. The use of the cmd command has a certain basis2. The basic principles of DNS and common concepts have a certain understanding, such as host, alias, forward lookup zone, reverse lookup zone, and so on.3.
Common Linux commands: nslookup, lsmd5sum, uname, and history1. nslookup
DNS developers all know what the nslookup (name server lookup: domain name query) command is for. It comes with windows. However, in Linux, enter nslookup to display the
Passive Information collectionFeatures:Based on open channelNo direct contact with the targetAvoid leaving all traces.Standard Reference--osint:U.S. militaryNorth Atlantic Treaty Organization noun explanationdns--domain Name System domain Name
Netstat Command Overview:Netstat is a very useful tool for monitoring TCP/IP networks, which can display routing tables, actual TCP network connections, TCP and UDP snooping, process memory management, and status information for each network
Because the Linux system originated and developed on the Internet, it is born with powerful network functions and rich network application software, in particular, the implementation of TCP/IP network protocols is particularly mature. Linux has many
60 required commands for Linux: network operation commandsNetwork Operation commands required for Linux (1)Author: Cao yuan, his posting date: 2004.11.18Because the Linux system originated and developed on the Internet, it is born with powerful
Because the Linux system originated and developed on the Internet, it is born with powerful network functions and rich network application software, especially TCP/I
Because the Linux system originated and developed on the Internet, it is born with
From:56486734?utm_source=copy53914524?utm_source=copy——————————————————————————————————————————————————First look at the domain name resolution and the pan Domain name resolution:First, what is the domain name resolution?Domain name resolution is
System
# Uname-A # view kernel/OS/CPU information # Head-N 1/etc/issue # view OS version # Cat/proc/cpuinfo # view CPU information # hostname # view computer name # lspci-TV # list all PCI devices # lsusb-TV # list all USB devices # lsmod # list
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