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The following articles mainly describe security analysis on the planning direction of Enterprise Intranet security. computer and network security problems are becoming increasingly serious. Security personnel must carefully complete basic security procedures, absorb and apply the latest solutions for various products. First, let us take advantage of it. Computer and network security problems continue to increase, and security personnel can only exerc
One day, a group of children's shoes sent a station, which is the second-level website of xx University. I asked if I could win it. As a result, the group of students were excited. After a while, a student found a shell left by his predecessors, it looks like the shell of the fallen bull. The default password is admin. Go in! The kid shoes gave me the shell and told everyone to demonstrate the privilege escalation and Intranet penetration! I can see t
The getshell Intranet roaming caused by no verification at a backend of the Travel Network The website's backend does not have authentication access and can use getshell, which then causes the entire intranet to fall.Expose the upload interface in a place similar to the background, and then use 00 to intercept the upload. First, the vulnerability appears in the following ways: Burp packet capture data: Th
Description: The company intranet build OA server, intranet address 192.168.1.X, external address oa.xxxx.cn. As a result of the new broadband access, resulting in no fixed IP, with peanut shell dynamic IP resolution. As a result, the external network input oa.xxxx.cn can be accessed, but the intranet input oa.xxxx.cn inaccessible,
IntroductionIt has been a long time since the previous article. I promised to write an article on Intranet penetration. I will take some time today to flatten this article. I don't think I can penetrate into the Intranet. Penetration is more experience than accumulation. In addition, I personally think that many of my predecessors have already been well written. Here I will introduce myself to others and in
Information Leakage from multiple important departments due to the theft of iron's intranet roaming in China (redis + ssh-keygen Authentication-free login case) What Sparks will redis face when it encounters ssh?Http://antirez.com/news/96Http://zone.wooyun.org/content/23759China iron's internal network roaming has fallen into multiple important departments, including hikvision cameras, Alibaba Cloud Security webpage tamper-proofing systems, and multip
Setting port ing makes it boring to access the Intranet web over the Internet recently. I want to make the unit computer into a web server, but the unit is shared with an ADSL. As I said on the internet, it cannot be accessed directly. Well, we share an ADSL with another department. They ask external network companies to make the network. It should be safe. But when I access 10.0.0.138, the configuration page of Alcatel does not have a password. Ch
Configure NTP service and Intranet server time synchronization in centos7.2Network Time Protocol (NTP) is a standard Internet Protocol used for Time synchronization on the Internet. NTP is used to synchronize computer time to certain time standards. The current Time standard is Universal Time Coordinated ). The primary developer of NTP is Professor David L. Mills from the University of Delaware.What is the use of NTP for us? Simply put, when your comp
Not long ago I was in charge of a well-known national manufacturing group's load balancing project. I was deeply touched by the project's application of gslb in a specific environment and learned a lot of related Load Balancing knowledge. Today, let's calm down and think about how to learn a lot through the project. during the project implementation process, we have encountered quite a number of problems. Now, we have written the overall project situation and implementation steps and methods bel
1, problem descriptionSeptember 22, 2017, a customer reflects the site can not access, hurriedly to the company began to deal with the problem. Found the problem: the intranet access is normal, the extranet users can not access, concluded that the Web site architecture is not a problem, domain name resolution.2. TroubleshootingFirst open the Nginx anti-generation log, and then the external network and intranet
Due to the limited number of public network IP address, many ISPs are using a number of intranet users through the proxy and gateway routing shared a public network IP on the Internet, which limits the users on their own computer set up personal website, to achieve in these users to set up a website, the most critical point is that How to the multi-user intranet IP and one of their only share the Internet I
Intranet Security Status Quo Analysis The theory of Intranet security is relative to the traditional network security. In the traditional network security threat model, it is assumed that all the personnel and devices in the Intranet are secure and trusted, while the external network is insecure. Based on this assumption, Internet security solutions such as anti-
Most enterprises pay attention to improving the border security of enterprise networks, but do not mention their investment in this area, but the core intranet of most enterprise networks is still very fragile. Enterprises have also implemented corresponding protection measures for internal networks, such as installing network firewalls and intrusion detection software that may easily reach tens of thousands or even hundreds of thousands. They also ho
Almost all enterprises have paid more attention to network security. They have successively purchased firewalls and other devices to block security factors from the Internet. However, Intranet attacks and intrusions are still rampant. Facts have proved that the company's internal insecurity is far more terrible than the external harm. Most enterprises pay attention to improving the border security of enterprise networks, but do not mention their inves
(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
I encountered Intranet ARP several times at work. The search method is analyzed as follows: When several servers in a CIDR block cannot access the Internet, it may be an intranet ARP attack. telnet to the layer-3 switch immediately (the layer-2 switch does not work) and use show arp (dis arp for Huawei devices) you can see that the MAC addresses of several IP addresses are the same. After you write down th
Ubuntu installs squid as the Proxy of the intranet. I have a machine named UbuntuLinux, which has a wireless network card and can be used on the Internet. I want to set it as a proxy server so that other machines in the intranet can use it as a proxy for Internet access. 1. install squid in Ubuntu as the Proxy of the intranet. I have a Ubuntu Linux machine that h
Deploying Intranet proxy servers in CentosEnvironment and requirements 10 internal network worker machines, all of which are win7, with the network segment 192.168.1./24, 1 server, and CentOS6 System (dual Nic ). One vro (Dynamic IP, accessing the Internet through the PPPOP account password) and one vswitch with 48 ports. To deploy a CentOS server as a proxy server, the Intranet worker must connect to the n
Make an application that automatically logs on to Windows Server Based on the MAC address in the Intranet. The function is as follows: Make an application that automatically logs on to Windows 2003 based on the MAC address in the Intranet. The function is as follows: The Code is as follows: Function ce_getmac () { If (PHP_ OS = 'winnt ') { $ Return_array = array (); $ Temp_array = array (); $ Mac_addr
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
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