Url:Nmap is a scanning tool that all security enthusiasts should be familiar with, and this article describes its use when scanning large cyberspace.Why scan Large cyberspace? This is the case:
Intranet infiltration Attackers single point of breakthrough, into the intranet, the need to further expand the results, you can first scan the entire private network space, to discover which hosts are valuable, such as 10.1.1.1/8, 172.16.1.1/12, 192.168.1.1/16
Full Network scan
Scanning
[Personnel in O M gateway_05] System Security Inspection tool-nmap [Personnel in O M gateway_04] System Security Inspection tool-nmaphttp: // www.bkjia.com/ OS /201304/200048.html in the United States blockbusters, Cui NIDI uses nmap to intrude into the energy management system of the power station in
Usage: nmap[scan type [options] {target specification}
Target specification:
Can be through the host name, IP address, network, etc.
For example: scanme.nmap.org, MICROSOFT.COM/24, 192.168.0.1; 10.0.0-255.1-254
-il -ir: Select Random index
–exclude: Excluding hosts/networks
–excludefile: excluding from files
Host Discovery:
-SL: List Scan – List scan – simply list targets to scan
-sn:ping Scan-Close port scan
-PN: Treat all online hosts-skip host disc
#!/usr/bin/python#-*-coding:utf-8-*-from libnmap.process import nmapprocessfrom libnmap.parser Import Nmapparserimport Requestsx=90while x Python realizes the use of Nmap and AI stations to scan open 80 port IP and reverse domain name resolution
Out of date:TCP: nmap.exe-SC-SS-SV-P 1-65535-a-V-ox filename. xml IPUDP: nmap.exe-SC-su-P 1-65535-V-ox filename. XML-PN IPNow:TCP: nmap.exe-SS-a-SV-VV-SC-PN-p1-65535-ox filename. xml IPUDP: nmap.exe-su-VV-SC-PN-p1-65535-ox filename. xml IP-- Max-scan-delay 20 maximum wait time to avoid scanning too longSpecial ethcard:Nmap.exe-SS-a-SV-VV-SC-PN-p1-65535-s 51.196.200.5-ox filename. xml IPNmap.exe-SS-a-SV-VV-SC-PN-p1-65535-e eth1-ox filename. xml IP[NMAP
NMAP fixes raw packet functionality sent to FreeBSD10.0 or later NmapNMAP fixes the original packet functionality sent to FreeBSD10.0 or later. Because FreeBSD changed the byte order of the IPV4 stack, the SYN scan and other raw packet functions were destroyed.Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.NMAP fixes raw packet functionality sent to FreeBSD10.0 or later
1, Port scanPort scans are often used by system administrators and hackers to discover ports that are open on some machines to help them identify vulnerabilities in the system.NC-ZVN 172.16.160.111 21-25Can be run in TCP or UDP mode, by default the Tcp,-u parameter is adjusted to UDP. # #udp测试 No matter what port is detected successedThe z parameter tells Netcat to use 0 IO, Close the connection immediately after the connection is successful, and no data exchangeThe V parameter refers to the use
I sorted out two network security scanning tools under Ubuntu and shared them with friends who like ubuntu. Nbtscan --- collect NetBIOS information from a Windows network Tool Name: nbtscan-1.5.1a application environment: Linux tool Introduction: This is a program used to scan NetBIOS Name Information on a Windows network. This program sends a NetBIOS status query to each address in the given range, and lis
known as script boys. System Administrators can use nmap to detect unapproved servers in the work environment, but hackers will use nmap to collect network settings of the target computer and plan the attack methods.
Nmap is often confused with the system vulnerability assessment software Nessus. Nmap uses a secret te
04. Run the kvm command line in ubuntu to install 64-bit ubuntu and report "Couldn't find hvm kernel for Ubuntu tree.", kvmhvm
1. The configuration of virt-install used for ubuntu installation:
virt-install \--name test4 \--ram 1024 \--disk path=/data/01_ubuntu/ubuntu4.img,size=6 \--vcpus 1 \--hvm \--os-type linux \--n
1. Configuration of the Virt-install used when installing Ubuntu:Virt-install \\1024x768 \path=/data/01_ubuntu/ubuntu4.img,size=6 \1 \ \--os-type linux \--network network=default \\--console Pty, target_type=serial \/data/00_osfile/ubuntu-16.04.1-server-amd64.iso \--extra-args ' Console=TTYS0,115200N8 serial 'The error is as follows:ERROR couldn ' t find HVM kernel for Ubuntu tree. not appear to has been
Boy finally can not endure win7 some egg pain set, see a lot of Daniel recommended Mac, but money tight, had to push and beg second use Ubuntu, but because the company working environment is windows, so also must keep Windows system, once decided dual system.Download Ubuntu image, use EASYBCD boot hard drive installation, these do not say, online tutorials abound.Tell me about the difficulties I encountered
Ubuntu 16.04, Ubuntu, Ubuntu
When I used Ubuntu 14.04, I downloaded the official deb installation package of youdao dictionary and installed it. Now I can't install Ubuntu 16.04 because of some dependency problems. As a result, Google successfully solved the problem and bec
Install the sogou Input Method on ubuntu (ubuntu 14.04, ubuntu 16.04), 14.04ubuntu16.04
This method is applicable to ubuntu 14.04 and ubuntu.
1. Download the deb installation package for sogou Input Method
:
Http://pinyin.sogou.com/linux? R = pinyin
2. Install sogou inp
Reprinted from http://terrychen.info/ubuntu-linux-beginners-guide-ubuntu-installation/Getting Started with Ubuntu Linux (i): Before installing Ubuntu Linux, we've made the necessary preparations for installing Ubuntu Linux, and we're ready to start the formal installation pr
Reprinted from http://terrychen.info/ubuntu-linux-beginners-guide-getting-to-know-and-work-with-ubuntu/In Ubuntu Linux Introduction (iv): Ubuntu Initial setup article, we have completed the basic configuration of Ubuntu, and now we will further learn some of the basic knowle
Before scanning:Nmap Scan Report for 192.168.0.39Host is up (0.00029s latency).All scanned ports on 192.168.0.39 is filteredMAC Address:00:0c:29:ef:80:d6 (VMware)After opening:Nmap Scan Report for 192.168.0.39Host is up (0.00038s latency).Not shown:997 filtered portsPORT State SERVICE22/TCP closed SSH80/TCP closed HTTP8080/TCP closed Http-proxyMAC Address:00:0c:29:ef:80:d6 (VMware)The process is as follows:1. Scan PortWith Ubuntu's own network tools in the port scan is not strong enough, the sca
Ubuntu dual system installation tutorial and troubleshooting, ubuntu Dual SystemPreparations for dual-system installation
At least two USB flash drives are required. One is used as the ubuntu boot disk and the other is used as the windows 7 boot disk. The method can be rufus or UltraISO. We recommend the former. All images of the operating system are written into
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