linux ddos tool

original content to save the contents as follows# Generated by Iptables-save v1.3.5 on Sun Dec 12 23:55:59 2010*filter: INPUT DROP [385,263:27,864,079]: FORWARD ACCEPT [0:0]: OUTPUT ACCEPT [4,367,656:3,514,692,346]-A input-i lo-j ACCEPT-A input-m state–state related,established-j ACCEPT-A input-p icmp-j ACCEPT-A input-s 127.0.0.1-j ACCEPT-A input-p tcp-m tcp–dport 80-m state–state new-m recent–set–name Web–rsource-A input-p tcp-m tcp–dport 80-m state–state new-m recent–update–seconds 5–hitcount

The penalty policy for such attacks is: Furtherviolationswillproceedwiththesefollowingactions: 1stviolation-Warningandshutdownofserver.Wewillallow24hoursforyou... The penalty policy for such attacks is, Further violations will proceed with these following actions: 1st violation-Warning and shutdown of server. We will allow 24 hours for you to rectify the problem. the first time is Warning + shutdown, giving 24 hours to solve the problem 2nd violation-Immediate reformat of server. The second requ

This article introduces how Iptables limits the number of connections of the same IP address in linux to prevent CC/DDOS attacks. This is only the most basic method. If the attack is real, we still need hardware compaction to prevent it. 1. Set the maximum number of connections to port 80 to 10, which can be customized. The Code is as follows: Copy code Iptables-I INPUT-p tcp -- dpor

Mitigating DDoS attacks#防止SYN攻击, lightweight preventionIptables-n Syn-floodIptables-a input-p tcp–syn-j Syn-floodIptables-i syn-flood-p tcp-m limit–limit 3/s–limit-burst 6-j returnIptables-a syn-flood-j REJECT #防止DOS太多连接进来, you can allow the external network card to each IP up to 15 initial connections, over the discardedIptables-a input-i eth0-p tcp–syn-m connlimit–connlimit-above 15-j DROPIptables-a input-p tcp-m state–state established,related-j

The penalty policy for this attack is, Further violations would proceed with these following actions: 1st violation-warning and shutdown of server. We'll allow hours for your to rectify the problem. The first time is a warning + shutdown, give 24 hours to solve the problem 2nd violation-immediate reformat of server. The second time is to format the server immediately 3rd violation-cancellation with no refund. The third time is to cancel the service without giving a refund To address this pr

Tags: gzip xz bzip2Note content:L 6.1 Compression Packaging Introduction L 6.2 gzip compression tool L 6.3 bzip2 compression tool L 6.4 xz compression tool Note Date:2017.8.56.1 Compression Packaging Introduction 650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M02/08/65/wKiom1ngmNDxSepbAAgq4FnYMgw123.png "style=" float : none; "title="

Tool: linux performance monitoring tool-nmon, linux-nmon Nmon download: http://pan.baidu.com/s/1jICoSpo It can be run directly in linux. The nmon tool can display all important performance optimization information on a single

Network Packet sending tool in linux and network packet sending tool in linuxChapter 2. Description This document applies only to Tcpreplay3.x.Chapter 2. Tcpreplay tools 2nd. Overview First, we recommend a Website: movie. This article is based on the reference of this website and obtained through some experiments. Tcpreplay is a general term for a series of tools

Linux (8) _ yum tool and linux _ yum Tool The dependency relationship is automatically processed and all dependent software packages are installed at a time, so you do not need to download and install software packages repeatedly. What is yum? Yum tool instance:

Linux development tool gdb (below), linux development tool gdbIii. gdb debugging (below) 01. view runtime data print-view variable value ptype-view type print array-view array print * array @ len-view dynamic memory print x = 5-change runtime data # vi simple. c # include

used to manually set the network rate. Generally, a gigabit Nic supports 10 | 100 | 1000. The unit is Mbps. Usage:Ethtool-s eth0 speed 1000 duplex full autoneg off Effect:Set the physical port corresponding to the device number eth0 to 1000 Mbps, full duplex mode, and disable automatic negotiation. 2. miI-Tool MII-tool (this command specifically sets the NIC working mode in

Linux programming tool gdb supports many command editing features like the UNIXshell program. you can press the Tab key in bash or tcsh to help gdb complete a unique command, if it is not unique, gdb will list all matching commands. you can also use the mouse key. Linux programming tool gdb supports many command editin

We recommend that you use the command line download tool. The command line tool is not only easy to use, but also has a high download speed and download efficiency. It is especially suitable for downloading files in large batches. The following describes the Linux download tools Wget and Prozilla. WgetLinux download tool