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Python scans the intranet for surviving hosts

#author: orangleliudate:2014-11-12#python2.7.xip_scaner.py ' different platforms, The implementation of IP scanning on the intranet side sometimes needs to know the valid IP of the local area network, but does not want to find a specific tool to scan. How to use pythonip_scaner.py192.168.1.1 (will scan 192.168.1.1-255 IP) ' Importplatformimport sysimportosimporttimeimportthreaddefget_os (): " getos type ' os= Platform.system () ifos== "Windows": retu

[Python] One-line command to build HTTP service intranet file

On a Linux server or on a Windows server, You can use this command to create a Web service that can be accessed quickly in the intranet, as long as you install Python. In the directory where you want to build the Web service, use the python3.x built-in method:Python-m Http.server 80008000 is the port number of the link, so that the local in the browser can access the directory through http://localhost:8000, and the LAN, such as other computers, can b

Intranet can not ping the external network solution

Problem Description: 1, the PIX placed in a fixed IP environment (external network for fixed IP), and set the correct ACL allow ICMP release, this case intranet can be normal Internet access can also ping the extranet. 2, and then put the PIX in the ADSL environment (with PIX to dial), ACL or before the same, PIX under the intranet computer can only surf the internet, can not ping the extranet. Solution:

Setting up Huawei Agent routing in Intranet

One, the internal LAN all use the private address on the network, under the normal circumstances, the internal computer in the direct use route external access, will because the computer uses is the Internet reservation address, but is filtered by the router, thus causes cannot access the Internet resources, The solution to this problem is to use the NAT address translation function provided by the routing operating system to convert the private address of I

The realization code _php skill of obtaining intranet user MAC address (windows/linux) in PHP

Copy Code code as follows: function Ce_getmac () { if (Php_os = = ' WINNT ') { $return _array = Array (); $temp _array = Array (); $mac _addr = ""; @exec ("Arp-a", $return _array); foreach ($return _array as $value) { if (Strpos ($value, $_server["Http_client_ip"])!== false Preg_match ("/(:? [ 0-9a-f]{2}[:-]) {5}[0-9a-f]{2}/i ", $value, $temp _array)) { $mac _addr = $temp _array[0]; Break } } Return $mac _addr? Strtoupper ($mac _addr): '; } else if

JS Bypass proxy, VPN access to real IP and intranet IP, the implementation of reverse tracking method _javascript Skills

Firefox and Chrome support WEBRTC can request the stun server to return to the intranet IP, unlike the XMLHttpRequest request, stun request is not seen in the developer tool. Get the IP addresses associated with a account function Getips (callback) {var ip_dups = {}; Compatibility for Firefox and chrome var rtcpeerconnection = window. rtcpeerconnection | | window.mozrtcpeerconnection | | Window.webkitrtcpeerconnection; var mediaconstraints

Internet/intranet Programming FAQ for ASP

It is very convenient to develop MIS system on internet/intranet based on ASP technology, first of all, it borrows ADO technology and concept, and accesses database through ODBC, and achieves full flexibility and multi-platform, in addition, because of ASP using VBS and JS scripting language, It also ensures that most developers quickly enter the development process and reduce the learning process. However, because the ASP is based on the Internet/

The solution of Ssh/mysql login slow in intranet _mysql

Often the company's development environment will be arranged in the intranet, and then there will be a common server for everyone to develop, test, so often there will be SSH connection server, or local MySQL client connection server needs, I personally experienced the company often occurs ssh/ MySQL connection to the public server is very slow, because the SSH service and MySQL service by default will be at the time of the DNS reverse parsing process

MAC enables WiFi and wired simultaneous access to intranet and Internet

Tags: view NTS Basic Principles Network HTTP gateway out order principleOpen Terminal, enter the following command# View current routing tableNetstat-rn# Get the default routeRoute get 0.0. 0.0 # Delete Default routesudo route-n Delete default 10.2. 0.1 # Add a public network gateway sudo Route add-net 0.0.0.0 10.2. 0.1 # Add intranet Gateway sudo route add-net 194.0. 0.0 194.2. 100.254 After the command is entered, open the s

Ending Intranet security management with immune Networks

Immune NetworkThe solution is specialized in Intranet security management. It features both technical architecture, strategy, and feasibility to ensure stable operation of the network base. This is what all enterprise networks can use, the premise of application management. The immune network solution is not a separate product, but a complete set of components consisting of software and hardware, Intranet s

Lean Management of Enterprise Intranet Security

Intranet SecurityThe problem has been hard to solve since the beginning. The most important cause is that LAN technology has been adopting an open and shared resource model since the first day of commercial use. While pursuing high convenience, security will inevitably be affected. According to various published survey data, even in the most optimistic circumstances, the loss caused by Intranet security pro

Meticulous Intranet security management to ensure Network Security

Intranet SecurityFor enterprises, the problem should start from four levels and take into account the internal network security of the enterprise comprehensively. In terms of it o M, the security of user behavior should be determined. Finally, when users pass layer-by-layer security checks, in addition, enterprises also need to check the security of their infrastructure configurations to ensure boarding security. In response to the above problems, ac

Ubuntu cannot resolve Intranet domain names

Working desktop has just been migrated to Ubuntu. It is a strange problem that Ubuntu can resolve the Internet normally, but it cannot resolve the Intranet domain name (the domain name ending with. local ). The following describes how to solve the problem. 1. Since I installed XP on Ubuntu, the Intranet domain name can be resolved through the NAT network link on XP. 2. You can use the dig command in Ubuntu

Ten defense strategies to address the challenges of Enterprise Intranet Security (1)

Almost all enterprises have paid more attention to network security. They have successively purchased firewalls and other devices to block security factors from the Internet. However, Intranet attacks and intrusions are still rampant. Facts have proved that the company's internal security factors are far more terrible than the external dangers. Most enterprises pay attention to improving the border security of enterprise networks, but do not mention t

How terminal auditing can better serve Intranet Security

Terminal AuditThe real purpose is not to record all events that have occurred on the terminal for future query, but to collect evidence and analyze whether the implemented Intranet security management policies meet the security management requirements and promoteIntranet SecurityContinuous improvement. I. Leave the terminal audit misunderstanding An important feature of terminal audit is to backtrack historical events in the past ". For example, Can y

SSH Intranet Port Forwarding combat

SSH Intranet Port Forwarding combat Guide As you know, SSH is a secure transport protocol that is used more on the connection server. But in fact, in addition to this feature, its tunnel forwarding function is more attractive. If the Linux server between the two intranet needs to log in with each other, or need to access a port on the i

How to implement Intranet/Internet isolation between firewalls and vswitches

Firewalls and switches are still commonly used. So I studied how firewalls and switches implement Intranet/Internet isolation. Here I will share with you, hoping to help you. With the maturity and rapid development of network and Internet technologies, more and more enterprises and institutions have begun to set up networks to automate office work and share Internet information. However, security issues have also emerged. iMaxNetworks (memory network

Go combat--golang Get public IP, view intranet IP, detect IP type, verify IP range, IP address string and int conversion, judge by IP region state operator, etc.

as input. Note that the this documentation, referring to an IP address as an IPv4 address or an IPV6 address was a semantic property O f the address, not just the length of the byte slice:a 16-byte slice can still is an IPv4 address. Type IP []byte func IPv4 Func IPv4 (A, B, C, D byte) IP IPV4 returns the IP address (in 16-byte form) of the IPV4 address a.b.c.d. Donuts, see the documentation for more details: https://golang.org/pkg/net What is an

The Intranet platform is open to the outside world.

The problem is that there are two existing machines: intranet: one server on the intranet, which cannot be accessed directly from the Internet. Internet: the internet can access files and servers on the machine. At the same time, the machine can access any files on the intranet .. Due to historical reasons: the problem above the

Brief Analysis of Enterprise Intranet security construction status

threat outbreaks in the LAN. Relying on a single border firewall and anti-virus software, it cannot cope with viruses and other information security threats. Only by protecting each client can it effectively prevent virus intrusion, information leakage, and worms, network abuse and other problems. Therefore, Enterprise Intranet security management becomes increasingly important. Overview of Intranet Securi

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