network security services nss

Friends who often use online banking will not be unfamiliar with the term "certificate", because they are often asked to verify digital certificates when logging on to online banking. In fact, this is a very effective security measure that can maximize the security of your account, and this security is implemented based on the

. when the server receives the message, it only returns the checker information, because the customer knows the service certificate. 　　 　　 　　 (4) UNIX authentication mechanism In the early days of SUN, various network services were built on the UNIX authentication mechanism. The certificate part contains the site name, user number, group number, and same group access sequence, while the checker is blank. th

vulnerabilities appear every day, and shutting down unsafe services means a continuing war. 6. A conditional compromise, not an easy one. People like to do things that are unsafe. If you allow all the requests, your network will be very insecure. If you reject all requests, your network is also unsafe, and you will not know where the unsafe items are hidden. T

. For sniffer (sniffer), we can use session encryption scheme, all the transmitted data encryption, so that sniffer even sniff the data, these encrypted data is difficult to decrypt the restoration. Currently widely used SSL (secure Socket Layer) can facilitate the security of the implementation of encrypted packet transmission, when the user input password should be used to support the SSL protocol to log in, such as HTTPS, SFTP, ssh instead of HTTP,

With the rapid development of network technology, we are not only comfortable and convenient, but also worried about the use of data and data security. network security incidents are endless. it is no exaggeration to say that enterprise users and individual users are in danger when you access the internet! How can we m

the use of specific resources that a particular user has, and the principle of least privilege should be adopted in daily work, giving users only the right to meet their needs 5> Log Management: Log files record every detail of the Windows system and its various services, and are important for system management and network management, recommend auditing of system events, and enable logging of related app

Camp David Education original articles, reproduced please indicate the source. Our dream is to do the best iOS development training!iOS app network security HTTPS1. The basic principle of HTTPS/SSLSecure Sockets Layer, SSL, is the most common standard for secure communication over the Internet. The WEB application uses HTTPS (SSL-based HTTP) and HTTPS uses digital certificates to ensure secure, encrypted co

consumers: Security expert tip: the best way to protect yourself is that you don't need much technology. 1. The request to re-enter the account information, or will stop the credit card account and other messages ignored. 2. More importantly, do not reply to or click on a link to a message-if you want to verify the email message, use the phone instead of the mouse, and if you want to visit a company's Web site, use a browser to access it directly ins

attachments to email messages. Ensure that your mail server is adequately protected by using security software and scanning your messages completely. ensure appropriate anti-infection and incident response procedures are in place. ?? Make it easy for you to get contact information for your security service provider. After one or more systems are infected, you should know who to contact and what