Use of the dubbo protocol of dubbo

Common interface and implementation class public interface DemoService {String sayHello (String msg);} public class DemoServiceImpl i

The use of sqlmap

Use sqlmap for injection. 1. Scan the injection point with the scanning tool. Here I use an injection point to explain. Sqlamp.py-u "http://www.gaoneng.com/product.php?cid=71" can see this.

System v shared memory area

# includeint shmget (key_t key,size_t size,int oflag); returned: shared memory object for success. The error value of-1key can be the return value of ftok or IPC_P.

Ldap network account

# ldap network account # 1. What is ldap? Ldap directory service authentication, similar to windows active Directory, is a way to record data. Yum sssd krb5-worksta is the software required by 2.ldap clients.

Common Network Management commands (part I)

Ifconfig: network interface configuration command syntax: ifconfig: display all active interface information ifconfig [interface]: display specified interface information example: ifconfig eth0ifconfig [inte]

DES encryption and decryption

# include "memory.h" # include "stdio.h" # include "conio.h" enum {ENCRYPT,DECRYPT}; / / ENCRYPT: encryption, DECRY

OSI reference model

OSI reference model 1. The main function of the physical layer is to complete the transmission of the original bit stream between the adjacent nodes and provide a physical connection for the upper layer. This layer defines how the cable is connected to the network card and which transmission technology is used to send data on the cable, as well as bit synchronization and checking. This

Wireless cascade configuration cases of different brands of wireless routers

Demand: in order to be able to access the neighbor's network (of course, say hello in advance), you need to increase the coverage of the signal. The original signal is very weak and uncomfortable to use, so I came up with the way to bridge without money: add a wireless router to connect with the parent router in the way of wireless relay, so that the message can be added.

The script that automatically obtains the public network ip

I casually wrote a script to get the public network IP, in fact, it mainly distinguishes the difference between "" and ``#! / bin/baship_add= `curl-s-4 icanhazip.com `echo "public IP:$ip_add"

Detailed explanation of ifconfig and route configuration Network under Linux system

Network configuration of ifconfig and route under Linux system ifconfig and route are used to configure the network (the ip command combines the functions of the two, not discussed here). Usually, after the former sets up information such as ip address, the route command is used to configure routing. (yes

Propositional composition: Dimension Tree interval search and IP packet Classification

This topic is a bit big, and I have to strictly control the number of words, which is not as open as "propositional composition: thoroughly understanding the various lookup processes of the IP routing table in an IPv4 address tree". In fact, this composition is an extension of the section on interval search in the previous composition. 1.IP packet

Automatic backup of network equipment

Reference link: https://github.com/ytti/oxidized test environment: CentOS Linux release 7.3.1611 (Core) main component: oxidized oxidized

Mikro Tik ros script pick+find get date script details

First get the date of the ROS system and then use pick to return the element pick syntax pick < content > < start > < end >

How to download the trial version of VPX from Citrix Netscaler

Citrix Netscaler is a very good load balancing product with very powerful functions. There are three platforms for Netscaler: virtual machine version of VPX, hardware version of MPX, hardware virtual machine version of CDX. There are often brothers who say they want to play, but suffer from not setting it up.

Chapter 12 configuring VLAN

The emergence of VLAN (Virtual Local Area Network, virtual local area network) technology is mainly to solve the problem that the switch is unable to restrict broadcasting when the local area network is interconnected. This technology can divide a physical LAN into multiple virtual Lans-- VL.

Summary of firewall port blocking failure

Background two Sanying tankers at a certain station in xx9:00:36 were scanned by the headquarters and opened TCP port 20000, which needs to be closed, but after I remotely arrived at the router on the station, I still added a strategy, and the test still worked, please take a look. Tanker IP 10.91.10

Problem with GNS3 1.4.1 IOU device not starting

GNS3 will get the following error when starting the device inside; = > Server error from http://192.168.200.50:8000: IOU1: IOU p_w_picpath'/ opt/gn

Make VBS virus file

Set WshShell= WScript.CreateObject ("WScript.Shell") WshShell.AppActivate "for fun" 1 to 1000WScript.

Sorting out the usage of aircrack tools for wifi cracking

Aircrack-ng feels like a super easy-to-use wifi cracking tool, especially a few years ago, when there were only wep and wpa routers. For these two kinds, the cracking efficiency should be very high, but I don't know what the cracking efficiency is for wpa2. According to the principle.

What if the client is DDOS?

What if the client is DDOS? Nowadays, with the development of network technology, the more servers suffer. So how to effectively resist DDOS and CC***? The first thing we think of is the high defense server, which can effectively resist malicious traffic, but once it exceeds its defense value.