Intranet SecurityFor enterprises, the problem should start from four levels and take into account the internal network security of the enterprise comprehensively. In terms of it o M, the security of user behavior should be determined. Finally, when users pass layer-by-layer security checks, in addition, enterprises al
Currently, the private cloud Technology in cloud computing has been used in the enterprise's LAN, and security risks also occur from time to time, in this way, cloud security has become a major technical issue for enterprises to study. Many anti-virus software manufacturers have now launched cloud anti-virus software. In the concept of "cloud anti-virus, some cloud secu
The security of Wireless LAN has always been one of our key issues. So how can we achieve comprehensive protection? First, we need to conduct a comprehensive analysis of the network security mechanism to see what causes the danger. Next we will conduct a wireless LAN security analysis.
1. First, determine the
This chapter is dedicated to talk about network security, of course, it is relatively general to talk about the characteristics of network security, common network security vulnerabilities, and
For most enterprise LAN, routers have become one of the most important security devices in use. Generally, most networks have a primary access point. This is the "virtual border router" that is usually used with a dedicated firewall ".
After proper configuration, the edge router can block almost all the most stubborn bad elements out of the network. If you want to, this type of router also allows good peopl
Network Access Control Problem summary solves enterprise network security, and introduces the methods for summarizing network access control problems. Many people may not know how to summarize network access control problems, after reading this article, you must have gained
Currently, the network security market is dominated by firewall, IDS/IPS, network switches, SOC, and other application-layer network security products. In addition to the above products, Wangyu Shenzhou Technology Beijing) Co., Ltd, introducing a new kernel reinforcement con
continuously, the server replies to the confirmation packet, and waits for the customer to confirm, because the source address does not exist,The server needs to be continuously re-sent until timeout, these forged SYN packets will take a long time to occupy the disconnected queue, the normal SYN request is discarded,The target system is slow to operate, causing network congestion and even system paralysis in severe cases.Which certificate should be t
Since recently,
Wireless Network Security It has become a hot topic. Many forums have some suggestions on how to protect the security of wireless networks. However, many of these suggestions are confusing, and many of them are actually harmful to wireless network security.
How does one filter user communication to ensure secure and effective data forwarding? How can we block illegal users and protect network security applications? How can we conduct security network management to promptly discover illegal users, illegal behaviors, and the security
From the perspective of the current network development trend, we can tell that in the future, enterprises will face serious network security threats, such as Trojans, viruses, and worms. At the same time, spyware attacks also speed up the spread. In order to better control enterprises' network access from undesirable
Network virus number down over 50% network security still can't be underestimated
Data show that in the first half of 2010, 4.22 million new viruses on the Internet, the same period last year decreased by 53.7%; The new horse-linked website (calculated as a URL) totals 26.66 million, down 90% from a year earlier. In the first half 596 million people were infecte
the displayed menu ", in this case, the "this page cannot be displayed" page appears on the right side of the displayed Help Window on the IE browser interface, with a link to "Detect Network Settings, click it to display the network settings option, so that anyone can make any changes to the network settings or even the control panel.
You can also choose "Inter
2018.9.1 Network security day01_ computer network and stratification thought
Layered thought of network security computer NetworkLAN and WAN
LAN (local area network)-Lan
A local areanetwork, or LAN, is a group of computers
secondsDisadvantagesCan't go wrong, or the problem will be very seriousBackup is unsuccessful and cannot be restored to a point in time3. Virtual Network Technology1.vlanIP-based Port-based technology for MAC addressesLimit broadcast to the scope of each virtual network, thus reduce the transmission of broadcast packets across the network, and improve the transm
Find a wireless network
Finding a wireless network is the first step in an attack, where two common tools are recommended:
1, Network Stumbler a.k.a NetStumbler.
This windows-based tool makes it very easy to find radio signals that are broadcast in a range, and to determine which signals or noise information can be used for site measurements.
2, Kismet.
A ke
Wireless network security has become a hot topic recently. Many forums have some suggestions on how to protect wireless network security. However, many of these suggestions are mixed, many are actually harmful to wireless network security.The following IT expert
The threat of wireless networks comes from many aspects. If we want to better protect wireless networks, we need to make multiple settings. Here we will summarize some common drawbacks in detail.
Connect to the residential broadband network in a wireless way and share the Internet access through the broadband network, we usually only need to connect the WAN port of the low-end wireless router with the excha
As a powerful hacker attack method, DDoS is a kind of special denial of service attack. As a distributed, collaborative, large-scale attack, it often locks victim targets on large Internet sites, such as commercial companies, search engines, or government department sites. Because of the bad nature of DDoS attacks (often through the use of a group of controlled network terminals to a common port to launch a shock, the rapid and difficult to prevent, w
New release of international Security Organization: 2004 Top Ten Network application vulnerabilities
The second annual Top Ten Network Application security vulnerabilities list released by the IT security Professional's open Network
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