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Intranet SecurityIn the face of threats, firewall, anti-virus software, IPS, and other products are often ineffective. These products have been widely deployed in the enterprise network, but these products are mainly for Internet security protection.CAIt is a third-party trust institution that uses the PKI public key infrastructure technology to provide network identity authentication services, is responsible for issuing and managing digital certifica
What is port ing: Port ing (NAT or napt) refers not to a port in the physical sense, but to a port in the TCP/IP protocol. It is a logical port. Port ing: if a computer on the Intranet needs to access the Internet, port ing is required. Port ing is divided into dynamic and static. dynamic port ing: if a computer in the Intranet needs to access xinlang, it will send packets to the NAT gateway, including the
Today, we will talk about how to use port ing without using the gateway to open the Intranet. I. Prerequisites A public IP address is required. Assume that we have a public IP Address: 210.210.21.21. Ii. Tools used 1.lcx.exe 2. vdic Iii. Methods Method 1: Use lcx.exe for ing. (1)we will upload lcx.exe to the public IP address, and execute lcx-listen Port 1 Port 2 in the DOS environment on the public IP Address See lcx-listen 3030 for details. T
Refer to http://www.centoscn.com/CentosServer/dns/2014/0113/2355.html keepalive high-availability modeThis scheme is only suitable for small businesses, in the case of low-scale use, the resolution of a large amount of time or bind the best.If you add Local intranet own domain name hijacking resolution, simply add the parse record in the installed DNSMASQ/etc/hosts and restart DNSMASQ to take effect.Common Enterprise IT Support "5,
Today, under the Linux server encountered a strange problem: The network domain name ping results and nslookup results inconsistent, the resolution process is recorded as follows. Confirm that the/etc/resolv.conf configuration is correct: no problem; Confirm if additional domain name is added in/etc/hosts: no problem; Confirm the correct IP address in the domain name server, and colleagues confirm that the intranet domain name has bee
#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
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
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:
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
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
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
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/
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
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
A service defect in Chongqing Mobile may be caused by Intranet There are traces of intrusion. Security means that you do not know that what you are using has been hacked. Security means security.I will not go deep into it. After all, I am using my own business.Detailed description: The reason is that the traffic activity found that this Chongqing City app offers a lot of discounts.On Monday, the traffic could not be grabbed, and it felt a bit pitfall.
Record an unsuccessful yy Intranet test on a site O M personnel, I am really sorry, I have killed the machine and it has not been restored for a long time, so I cannot go deep into QAQ. Http://mcbbs.kuaikuai.cn/uc_serverWeak ucenter PasswordAdministratorShell It was supposed to be done through Intranet penetration, but the agent script will put the machine down.I wrote a php online scan. Weak Passw
Release date:Updated on: 2013-01-23 Affected Systems:WordPress pingbacks Description:--------------------------------------------------------------------------------Pingback is one of the three types of reverse links. It is a way to notify the author when someone links or steals the author's article. This allows the author to understand and track the links or reposted content. Some of the world's most popular blog systems, such as Movable Type, Serendipity, WordPress, and Telligent Community, al
Why do you use As for why to use the network penetration technology, a large number of online, there are a lot of fee-based websites to penetrate the intranet, such as peanut shell and so on. Here we choose an open source project Ngrok to build their own open source intranet penetration environment, the following servers and clients are compiled under Ubuntu use. Compile Install the compilation enviro
Slow logon to sshmysql over the intranet: bitsCN.com The development environment of a company is usually deployed on the intranet, and then there will be public servers for developers and tests. Therefore, there is often a need to connect to the server through ssh or a local mysql client, in my personal experience, companies often encounter slow ssh/mysql connection to public servers. this is because ssh a
Author; Cai Dao Wang Liu I am bored recently. I want to make my unit computer a web server, but the unit is shared with an adsl instance. I cannot directly access it according to the online saying.Well, we share an adsl with another department. They ask external network companies to make the network. It should be safe.But when I access 10.0.0.138, the configuration page of Alcatel does not have a password.Check the information and find that using port ing allows the Internet to access my comput
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