1. Limit the maximum number of IP connections to a 80-port connection to 10, which can be customized to modify.
The code is as follows
Copy Code
Iptables-i input-p TCP--dport 80-m connlimit--connlimit-above DROP
2. Use the recent module to limit the number of new requests connected to the same IP time, recent more features please refer to: Iptables Module recent applic
Description1, NetworkManager tool is the Ubuntu desktop version of the GUI setup tool.2, this tool is recommended to operate directly on the GUI, it is not recommended to use the command line management, such as WiFi configuration.3, of course, this tool can have command line tools:nmcli, if the use of NetworkManager t
Java Processing IP tool classes, including the long type of IP to the general IP type, the xx.xx.xx.xx type to a long type, based on the mask bit to get the mask, based on the ip/mask to compute the IP segment of the start
Netsh ipsec usage
In the command line, use netsh ipsec static to configure the IPSEC Security Policy. The premise is that the IPSEC service is enabled.An IPSEC consists of one or more rules. A rule consists of an IP Filter list and a corresponding filter action. The filter list and filter can be unique to the system, if no filter exists, you must create one filter and one filter is composed of one or more filters. Therefore, IPSEC must be configured s
Sometimes you need to use the Netsh tool to configure Windows system TCP/IPon specific occasions, which briefly describes common configuration commands. 1. Set the fixed IP address, subnet mask:netsh interface ip set address name= " Local Area Connection "Source=static addr=192.168.0.12 mask=255.255.255.02. Set the default gateway:netsh interface
you use a profile in Firefox or opera, you can also select the profile name.Please note that Firefox must be turned off before changing its settings.If you have more than one Firefox profile and their configuration folder changes (such as reloading the system), you need to re-select the profile in the list and it will be updated to your settings file.DomainTo join a domain, enter the domain name, user name, and password. Your user name and password will be encrypted and saved in the INI file.It
Using denyhosts to be able to do the function of automatic screen IP, master denyhosts install in Linux system is very necessary, then how to install DenyHosts tool in Linux system? How to configure after installation? This is what users need to learn.
DenyHosts is a security tool, written in Python, to monitor server access logs to prevent brute for
Sometimes you need to use the Netsh tool to configure Windows system TCP/IPon specific occasions, which briefly describes common configuration commands. 1. Set the fixed IP address, subnet mask:netsh interface ip set address name= " Local Area Connection "Source=static addr=192.168.0.12 mask=255.255.255.02. Set the default gateway:netsh interface
1.2.3 test tool-programming to obtain the IP address and name of a computer (1)
Instance function to obtain the IP address and computer name of the current computer
Source code path CD \ Yuanma \ 1 \ IP
The purpose of this example is to use visual c ++ 6.0 to develop an application for obtaining the
Tools Introduction:
Modify headers is a plugin in the Firefox browser that changes the IP address of the HTTP request. (When testing the project, there is a need to switch to the corresponding city page according to the different access IP, which requires that the tool that can simulate the IP cannot be implemented to
Install the latest nali ip display tool in centosIt was originally intended to automatically update the ip address library of www.slogra.com and found that nali could automatically download the ip address library. However, after some tests, it was found that the ip address d
SCO TCP/IP network management-tool IntroductionAfter the last six articles, we should introduce the TCP/IP management a lot. Next I will take the end and introduce some TCP/IP tools in UNIX, I hope my article will be helpful to you. I will go back to the SCO User Guide to give some friends who are just getting started
Problem Description: client Sybase Central tool cannot connect to databaseservice-side operating system: rhel5.8_x64, install sybase-ase15.7, port number 4112 ip:192.168.1.220 hostname:rhel5.8-ase.com Client for Windows system.After the installation is complete, use the isql tool on the server to log in to the database normally. The firewall is down.[Email protec
The IP address change script tool is dedicated to super-complex coders in the network environment. IP address change is a headache for gamers who often travel through different locations and are in a complex network environment, for example, during my previous period, the code was written to the Telecom broadband and wired wireless areas. Maybe there would be a f
The company has two broadband gateways, one of which is high-speed and the other is low-speed, but the high-speed gateway is package-time. It starts up at nine o'clock A.M. every day and stops working at six o'clock P.M. In this period, another gateway is required. It is a bit of trouble to configure the gateway in the Network Properties every time. So I wantProgramYou can automatically switch the gateway at the time, so you can write this tool to qui
IptrafThe Iptraf is an interactive, brightly colored IP LAN monitoring tool. It can display the amount of data transferred between each connection and the host. Here is the screen.
$ sudo iptraf
Install Iptraf:
# Centos (Basic software Library)
$ yum Install Iptraf
# Fedora or CentOS (with Epel)
$ yum Install Iptraf-ng-y
# Ubuntu or Debian
$ sudo apt-get install Iptraf iptraf-ng
The Linux test tool tcpdump command is used to monitor TCP/IP connections and directly read data headers at the data link layer. You can specify which data packets are monitored and which control formats are to be displayed. For example, to monitor the communication between all Ethernet connections, run the following command: tcpdump-I eth0. Let's take a look at the specific content.
Even on a relatively ca
Used to help a friend write "IP Capture tool"!Control.checkforillegalcrossthreadcalls = false;Multi-threaded, after testing is still relatively stable.500 thread time, about cpu5%, memory 50 more m,1w data need more than 6 minutes verification is complete.Here's some code:1 Public stringGetms (stringURL ="https://www.baidu.com/",stringProxy =NULL)2 {3Stopwatch SW =NewStopwatch ();4 Try5
Because the lab computer binds the MAC address and IP address, you need to modify the MAC address and IP address every time you use a laptop to access the Internet.
Although there are many tools that can be used to modify MAC addresses and IP addresses, they basically all have a UI. They cannot be modified using command lines, and thus cannot write batch process
The tool was initially written to calculate the delay of the kendo service, and later added features to detect the ping value of any process's network connection, or to detect the ping value of the specified IP.
First figure:
Above is the game effect, the upper right corner of the yellow is the software body
When the mouse is suspended, the suspension window appears automatically, showing the
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