security certs

More troublesome and safer According to foreign media reports, the US Computer Security Emergency Response Team (US-CERT) recently said that disabling most Web browsers is the most effective measure to ensure computer security. CERT recently said in a report: "To improve the browsing experience, many Web applications have been added with a variety of additional features. In fact, many of them are unnecess

The following points must be taken into account for network security: User identity authenticationAre you sure you want to contact me? Ensure content confidentialityAnd cannot let others know what we are talking about. Ensure content integrityEnsure that the information I receive is the information sent by the other party, rather than forged by others. Cryptography Symmetric Key Algorithm Des Rijndael (strong) Triple DES Asymmetr

MongoDB official explanation of Security Verification: Http://www.mongodb.org/display/DOCS/Security+and+Authentication In MongoDB, Service Startup does not have permission verification by default. In terms of security, this is definitely not feasible. Therefore, you need to add permission verification. To verify permissions, you must have a user. Therefore, the f

Although Linux and WindowsNT2000 are the same multi-user systems, there are many important differences between them. For many administrators who are used to Windows Although Linux is a multi-user system like Windows NT/2000, there are many important differences between them. For many administrators who are used to Windows, there are many new challenges to ensure the security and reliability of the Linux operating system. This article focuses on Linux

Security guard: Blacklist interception, broadcast and service addition interception, and security guardThe previous section describes how to add, delete, and query a database. This section describes how to use broadcast and service interception. In order to enable the Service and disable the broadcast at the same time, we cannot register the broadcast in the configuration file, which is difficult to manage

Ftp security settings and ftp Security 1. File Introduction Description of ftpuser and user_list files in/etc/pam. d/vsftpd; (ADD and change the file path after file =)Description of userlist_enable and userlist_deny in/etc/vsftpd. conf. For the sake of security, the Administrator does not want accounts with excessive permissions (such as root) or accounts tha

Recoverable Security rm and restoring security rm We often use rm to delete some files. If you don't shake your hands, it will be a tragedy. You all know... After such a tragedy, I decided to never stop it. I overwrote the shell function and executed the secure rm. This function backs up the files to be deleted to the specified directory by date. At the same time, there will be multiple versions based on th

Iptables port ing and vsftp Security check 425 Security solution, iptablesvsftp 128.30.14.221 is a public IP address, 128.30.14.233 is a private IP address, and a normal Web server is set up on 233. Objective: To open a WEB port 88 on 221 and map it to 80 on 233 ------- Ing Web port ------ service iptables stopiptables -Xecho 1 >/proc/sys/net/ipv4/ip_forward/sbin/modprobe iptable_natiptables -t nat -A PRER

A production line, a consumer thread, the program does not have security issuesTwo production lines, two consumer threads, the production of two times, consumption once or production once, consumption two times .The problem occurs because the thread does not go back to the judgment tag after it wakes up and proceeds directly to the code behind it. Workaround: After the thread is awakened, it is not executed directly behind the code, but back to the ju

Preface Security data show that 2014 of the year, Android users infected with malicious programs 319 million people, the average daily malicious program infection reached 875,000. At the same time, Android applications have been cracked and pirated and other events are also emerging. It is clear that the Android platform has become the target of malicious programs and attackers, and more and more Android developers are beginning to realize the importa

Common network security management commands and network security commands : Common network security management Commands include: ping command to determine whether the host is connected, ipconfig to view IP address configuration, and netstat command to view network connection status, net commands for network operations and at commands for timer operations.Networ

Although Linux is a multi-user system like Windows NT/2000, there are many important differences between them. For many administrators who are used to Windows, there are many new challenges to ensure the security and reliability of the Linux operating system. This article focuses on Linux system security commands. Passwd 1. Role The passwd command is used to change the logon password of an account. The perm

1. New tags in xss NBSP;H5 define class many new tags, new events may bring XSS (to study the changes in XSS attack H5 set up a Project----HTML 5 Security cheatsheet) eg: 1) White hat speaks Web security sixth Chapter HTML 5 Security