Router, switch, and firewall Vulnerability Analysis and Countermeasures

Remote connection to network resources has become the work needs of many employees in modern enterprises. Whether the connection is through VPN, Remote Desktop, or Secure Shell (SSH), the connection will inevitably pass through the network loaded

Man-in-the-middle spoofing

Ettercap LAN Spoofing Dns is not required for Arp man-in-the-middle spoofing. The spoofing gateway makes the penetration machine a gateway, so files such as etter. dns do not need to be changed. To be transparent to attackers, packet forwarding is

Authentication for linux email server (sasl)

Sasl SASL, short for SimpleAuthenticationandSecurityLayer, is a mechanism used to expand the verification capability of the C/S mode. In Postfix, SASL can be used to determine whether a user has the right to use the forwarding service or to identify

Brief description of Meterpreter

Metasploit is the ShellCode-meterpreter in Windows! MetasploitFramework is an auxiliary tool used for Buffer Overflow testing. It can also be called a vulnerability exploitation and testing platform. It integrates common overflow vulnerabilities

About mass data decomposition

After reviewing rsa over the past few days, I suddenly think of such a problem. Since the decomposition itself is difficult, is it feasible to run a rainbow table like md5? I just need to multiply the prime numbers in the rsa range into a table.

INetSec SmartFinder network access control FAQs

INetSec SmartFinder network access control FAQs 1. The customer's network address is 10.86.0.0/255.255.254.0. The number of hosts in the network is extended through the network borrow. After the monitor is connected, only 10.86.0.0 of the network

How to exploit LNK shortcuts

PrefaceWindows shell32 has a vulnerability in processing the shortcut files of the control panel program. It can load any DLL files on the hard disk and execute any code. Vulnerability file generationUnder "Control Panel", right-click "display" and

Linux security Q & A (2)

1. How to ensure the security of important system configuration files?You can use the chattr command to set attributes that cannot be deleted or modified for a specified file to protect the file. These parameters are implemented through the command.

Use the SolarWinds software to monitor the network in windows

In today's enterprise environments, the dramatic increase in devices is inevitable. Therefore, monitoring networks and devices has become a challenge for network administrators. Hundreds of thousands of servers need to be monitored, and we need a

Cisco Firewall-Application of ASA Security Device

Lab Environment1. prepare four virtual machines, use the windows 2003 system, configure the Web server and the Out server respectively, set up the site www.sjzz.com and www.out.com, and set up the DNS server on the Out server to parse www. sjzz.

SecureCRT logs on to Ubuntu using a certificate

If a server is directly put on the Internet, ssh password is not secure, and there will always be some people who break the password, and there will always be some ways to steal the password. Today, I read the log, and only two days ago, there were

Wifi analyzer on mobile phone

A new HTC Desire HD mobile phone has been launched over the past few days. It's a great Wifi tool and I can't help but share it with you.Wifi Analyzer (# Android # mobile phone version)Download LinkHttps://market.android.com/details? Id = com.

Is your SQL server secure?

This document is only for technical exchange and shall not be used for illegal purposes. I am not responsible for any problems.Let's talk about one thing first. Last year, a colleague installed an XP system on his laptop, which has been added to the

Build an attack test platform under Hyper-v

We have to talk about some security courses recently. We need to build a test platform for attacks and find the IDS of Blade. informer. the simulation test software v4.0 found that there was a problem with the compatibility after being installed on

Use shell and iptables to automatically reject malicious attempts to connect to the SSH service

Use shell and iptables to automatically reject malicious attempts to connect to the SSH service and send an email to the Administrator. [Root @ ZHAOYUN ~] # Cat ssh. sh#! /Bin/bashTIME = 'date + "% Y-% m-% d % H: % M: % S "'BADIP

TMG Learning (1), Web proxy client

  TMG default situation: 1. http/https is enabled by default after the TMG wizard is completed. 2. By default, TMG's system policy has enabled DNS traffic for TMG (local host ). 2. After TMG is installed by default, the client cannot ping the local

Is the website password encrypted by an asterisk? How to solve this problem

This is just what I suddenly thought of when I was learning javascript. I tried it today and it was successful. This is a test: This case cannot be reflected, because it is a direct login. I did not add the "Remember password option", but some

(Arm entry) disassembly Analysis of the life and death causes of an arm function call

Arm does not have a wide array of x86 materials, but it cannot be used at the underlying Android layer. As a beginner, I have taken a lot of detours. Now I use a practical example to analyze the simplest arm function call process, hoping to help you,

Folder on USB flash drive-encryption method

USB flash drives bring great convenience to our lives and work. We will store some important documents in the USB flash drive and carry them with us, however, if one day our USB flash drive is lost or lent to others for use, the file information may

Xiaomi box application vulnerabilities cause system sensitive information leakage

Because Xiaomi technology does not have general development standards for mobile devices, the Xiaomi box is shocked by the "backdoor !" After getting the Xiaomi box, connect to the Internet, and the Xiaomi box gets the ip address 192.168.1.10. Then,

Total Pages: 1330 1 .... 644 645 646 647 648 .... 1330 Go to: GO

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.