/Etc/init. d/iptables save
Run scripts
Sh iptables. Sh
In this way, the content in the iptables. Sh script is saved
/Etc/sysconfig/iptables
File.
On Machine A, set iptbals to boot.
Chkconfig -- level 345 iptables on
On Machine A, enable the IP forwarding function and modify the sysctl. conf file.
VI/etc/sysctl. conf
Set
Net. ipv4.ip _ forward = 0
To:
Net. ipv4.ip _ forward = 1
Then execute:
Sysctl-P
Make it take effect.
After everything is ready, you can access the In
Tigervnc's easy-to-use tutorials (Remote Desktop Connection for CentOS)1. Environment and software preparation(1) CentOS 6.5[email protected] ~]$ Yum install Tigervnc(2) Under Windows 7Tigervnc-1.2.0.exe, download in http://sourceforge.net/projects/tigervnc/2. Start Vncserver (server side)Vncserver:nHere n is sessionnumber, does not specify the default is 1, it can be 2, 3, and so on. The first time you are prompted for a password, you can later use t
The first section of this article: Address http://bbs.blackbap.org/thread-7483-1-1.htmlrecently, the network authority has dropped, need to re-find the entrance into the intranet, with the Phoenix scanner to generate a dictionary to sweep the weak password, human flesh to view the C section on some web, sweep the port, found 13 this machine ran a wingsoft software, found a loophole in the dark cloud, with S
Based on the current situation and problems of Intranet security, the technology alone cannot guarantee the competitiveness, or even the actual protection effect. These core causes of Intranet security problems can be solved only when the security management methods and security product management capabilities reach a certain level. In the face of increasingly complex application environments, administrator
network cards all set the internal private address, but these two addresses should not belong to one network, a piece is used to communicate with the intranet, a piece is used to communicate with the router, Otherwise the proxy cannot be implemented. Do not install the NetBEUI protocol on the proxy server, install TCP/IP protocol only, router Ethernet port also set an internal private address, which is in the same network as the address of network ca
Here is just a way of thinking, the Fool-style method occasionally will be more affordable.Sometimes, when you are in an Internet café, the computer room is used in the intranet. Generally speaking, the security of the intranet is poor, in those 3389 ports open, there is no Group Policy restrictions, we can use the following methods to hack the other machine inside the
Intranet access to the PHP server I set up a PHP server on my local machine. input 127.0.0.1 can be used, and input my IP address can also be used, but other intranet machines cannot access my IP address, my firewall has been shut down. What else will affect this? ------ Solution ------------------ check the access log, and telnet to check whether the connection is available. ------ Solution ---------- acce
Intranet access to the PHP server I set up a PHP server on my local machine. input 127.0.0.1 can be used, and input my IP address can also be used, but other intranet machines cannot access my IP address, my firewall has been shut down. What else will affect this ?, Check the access log, and telnet to check whether the access log can be connected ., First, determine whether the LAN can access the PHP server
As we all know, Java has a sound security framework. From programming languages, compilers, and interpreters to Java virtual machines, it can ensure that the java system is not secretly damaged by Invalid code or hostile compilers. Basically, they ensure that Java code operates according to predefined rules. However, when we need to pass these restrictions, such as reading and writing files, listening and reading and writing sockets, and exiting the java system, we must use a digital signature o
Intranet is not connected to the Internet, do not set up DNS. Some computers installed 360 security guard, sometimes repair DNS, resulting in DNS is also set, if IE turned on the SmartScreen filter, intranet site download file will appear stuck phenomenon.Here is the registry text for IE8 to close the SmartScreen filter, and after importing the registry, you can fix the problem of the
Today to tell you how to use the port mapping, not through the Gateway Open intranet method.
First, the use of the premise
Need to have a public network of IP. If we now have a public network of P, 210.210.21.21
Second, the use of tools
1.lcx.exe
2.vdic
Three, method explanation
Method one, using Lcx.exe to map
(1) We will upload the Lcx.exe to the public network IP, in the public IP on the DOS environment in the implementation of Lcx–listen P
(This article was previously reproduced on the Internet and has been modified. I will repeat it after my operations)
In the past, I installed a dual Nic on my computer (not a server) to facilitate the test. The dual Nic accesses two different networks but can access the Internet. Recently, in order to build and test a VPN, I connected one of the NICS to a small Intranet (that is, they cannot access the internet). Now I have a problem: I can only acces
How to solve the problems of switch DDoS attacks and Intranet server DDoS attacks
Those who have experience in Internet cafes or data center management must know that computer viruses are a headache, especially intranet server DDoS attacks and switch DDoS attacks, which directly affect the security of Internet cafes, share the solution to this problem.1. install filtering
How does an Internet user access an intranet FTP server? From: csdn
FavoritesQ: My Netcom user has set up an FTP on the machine. In XP, The ipconfig command gets 10. XX. XX. XX Intranet IP address. My friend is a Telecom ADSL user. Is there a way for my friend to access my FTP?
Q: My Netcom user has set up an FTP on the machine. In XP, The ipconfig command gets 10. XX. XX. XX
Because the intranet cannot connect to the external network, there are some problems when compiling an Android studio project with Gradle:1.Gradle installation file could not be downloaded2.Gradle Android plugin cannot be downloaded3. Project dependent files cannot be downloadedPainstaking, through groping, found some solutions to share with youDeveloping machine Information:Operating system: WindowsInformation about the server:IP Address: 192.68.121.
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
Build an intranet YUM source server using CentOS
As more and more linux servers are installed on the Intranet, you must upload the installation disk to install software on each server. It is troublesome and time-consuming to configure the local yum service. You can install the yum service on a linux server on the Intranet
Article Title: Linux converts 486 into an intranet firewall. 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.
Application Principle
In Linux, if a machine on the network is connected to the Internet, you can configure other systems on the network to access the Internet through this connection. In this way, only one
Solve the WiFi problem of the girl next door and get the qq Weibo e-mail thought: first crack the Wi-Fi password, then the Intranet sniffing and man-in-the-middle attacks, get the sister's password or forge session sessions, log on to your account and find a photo or contact information. If you use it in your own house, you can call your wife or check her qq to see if she is derailed, this is because someone else has done this before. But if you do th
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