Cloud Security

He Rensi is a master in the rivers and lakes. He has no door but no school, but his hands can cure all the systems and computers in the sky, whether it is a hacker camp or Liuxiang Inn, if you encounter an extremely difficult problem, he is asked to

Smurf attacks are named after Smurf, the program that initially launched such attacks. In combination with IP Spoofing and ICMP reply, this attack method floods a large amount of network transmission to the target system, causing the target system

Research on Content-based spam filteringAuthor: Met3or Source: http://www.istroop.orgEmail has become one of the important means of communication and communication in people's daily life, but the problem of spam is also becoming increasingly serious.

From: http://www.ph4nt0m.org/ Password coverage: Aa-Zz 0-9 【~ '! @ # $ % ^ & * () _ + |-= [] {};: ",./<>? Space: a total of 95 charactersThe size of the 8-bit dictionary generated with 95 characters is 62376709.73.GB.7-bit dictionary: 590867.32 GB 6

If your server is suffering from ASP Trojans, I hope this article will help you solve your problems.Currently, the popular ASP Trojan mainly uses three technologies to perform server-related operations.1. Use the FileSystemObject

Sometimes it is really interesting to write and debug a program. For example, this time, the program has been done well.Netstat or other tools that list ports, such as fport or sysinternals Tcpview, call the API in Iphlpapi. dll to list ports. The

Author: Yan dehe, Jiangkou Middle School, Jiangkou County, Guizhou Province The server in our school often prompts that the host was attacked by using the RPC vulnerability. To ensure the security of the server, I disabled the RPC service. Although

What is the difference between a packet "sniffer" and a protocol analyzer? Analyzer sounds more professional. Is that true? The sniffer inherits the old Network General call, which can be traced back to the time when they used a DOS-based protocol

Liu has the habit of getting up early to watch online news. Today, as usual, he opened QQ to access the Internet, but received a picture link from a stranger, the other party also said that the content in the link was a hot event that everyone

System conditions: Dual-system, usually using WinXP, without anti-virus software installed. Go to the ME system one or two times a month, upgrade the trend PC-Cillin anti-virus and perform full-host anti-virus. At the end of the last week, I found

Nginx displays the version number by default, for example: [Root @ bkjz ~] # Curl-I www.nginx.orgHTTP/1.1 200 OKServer: nginx/0.8.44Date: Tue, 13 Jul 2010 14:05:11 GMTContent-Type: text/htmlContent-Length: 8284Last-Modified: Tue, 13 Jul 2010 12:00:13

------------------------------------------------------------------------ Software ...... Dolibarr 3.0.0 Vulnerability ...... Local File transfer sion Threat Level ...... Critical (4/5) Download ...... http://www.dolibarr.org/ Discovery Date

Recently, we heard about the remote script execution vulnerability in Mac OS in Skype 0day news. In fact, we discovered this vulnerability two months ago. We did not report the vulnerability to the vendor in time because we are still testing the

Author: Matthieu Bonetti Riusksk (quange: http://riusksk.blogbus.com)   The recent (CVE-2010-4344) vulnerability has been widely exploited, allowing attackers to remotely launch attacks to systems that use Exim as a message transmission proxy and

1. connotation of Information Security Management According to the description in the requirement of security classified protection management (GA/T391-2002) of China's computer information system, the connotation of information security management

In the database field, Oracle databases are generally considered to be more secure than SQL Server databases. Below I will compare the similarities and differences between the two databases in the security design. Mastering these contents plays an

Internet Explorer has reported that hackers have used the "buffer overflow" and zero-day vulnerability attacks. Have you ever tried it? This article will fully use the C # language to explore the secrets that are unknown.1. This article describes

  I. penetration testing concepts The penetration test (penetration test) does not have a standard definition. Some foreign security organizations have agreed that penetration testing simulates malicious hacker attacks, to evaluate the security of

SSH (c/s): secure ssh port 221. rpm-qa | grep ssh ---- check that all installed software packages contain sshOpenssh-askpass-4.3p2-29.el5-Authentication MechanismOpenssh-server-4.3p2-29.el5-server software packagesOpenssh-4.3p2-29.el5-generate

  1   Use IPTABLES   The command is as follows: iptables-a input-p tcp-s 192.168.1.1-j ACCEPT allows access to 192.168.1.1 (domain name can also be used)   Iptables-a input-p tcp -- dport 22-j DROP   2       Use the files under/etc/hosts.