Network Security Analysis
Analysis and Countermeasures of Network Security
LiuBingyao
Abstract
This article is concerned about network security. It mentions about the present situation of network security and an analysis of the reason that lead to unsafe network environment. Then the article introduces two frequently used protocols in network security: HTTP (Hypertext Transport Protocol) and HTTPS (Hypertext Transfer Protocol over Secure Socket Layer), then compare them and give a brief conclusion. On the other side, the article introduces how firewall protects network security in hardware aspects.
Keywords: Network; Security; Analysis; Countermeasures
1. Introduction
As technology develops, network is getting more and more mature. It is known to all that security is the second step after that a successful network has been deployed.
1.1 Situation of Computer Network Security
With the rapid development of the Internet and the widespread application, the number of computer viruses, Trojan horses is explosive growth. According to Jinshan drug gangsters "cloud security" center monitoring statistics show that in 2008, Jinshan drug gangsters were intercepted more and more new viruses, Trojans, which grew up 40% compared with 2007. The center statistics also show that 90% of the virus infected users, this attachment web pages that humans are enjoying the network information with the great wealth and convenient at the same time, also be the severe beset by problems of network information security.
The lure of wealth that hackers attack is no longer a kind of personal interest, but more and more become an organized, interest driven career crime. Its main means has: online professor viruses, Trojan horses production technology and various network attack technology; Online exchange, trafficking and rental viruses, Trojan horses, zombie network; Online customized viruses, Trojan horses; Internet theft behavior (account Numbers game, bank accounts, QQ number, etc.), sell the
LiuBingyao
Abstract
This article is concerned about network security. It mentions about the present situation of network security and an analysis of the reason that lead to unsafe network environment. Then the article introduces two frequently used protocols in network security: HTTP (Hypertext Transport Protocol) and HTTPS (Hypertext Transfer Protocol over Secure Socket Layer), then compare them and give a brief conclusion. On the other side, the article introduces how firewall protects network security in hardware aspects.
Keywords: Network; Security; Analysis; Countermeasures
1. Introduction
As technology develops, network is getting more and more mature. It is known to all that security is the second step after that a successful network has been deployed.
1.1 Situation of Computer Network Security
With the rapid development of the Internet and the widespread application, the number of computer viruses, Trojan horses is explosive growth. According to Jinshan drug gangsters "cloud security" center monitoring statistics show that in 2008, Jinshan drug gangsters were intercepted more and more new viruses, Trojans, which grew up 40% compared with 2007. The center statistics also show that 90% of the virus infected users, this attachment web pages that humans are enjoying the network information with the great wealth and convenient at the same time, also be the severe beset by problems of network information security.
The lure of wealth that hackers attack is no longer a kind of personal interest, but more and more become an organized, interest driven career crime. Its main means has: online professor viruses, Trojan horses production technology and various network attack technology; Online exchange, trafficking and rental viruses, Trojan horses, zombie network; Online customized viruses, Trojan horses; Internet theft behavior (account Numbers game, bank accounts, QQ number, etc.), sell the