Seven suggestions for Server Protection

IT Technology can be said to be a double-edged sword , It brings us convenience at the same time , It also poses a threat . Today, , With the rapid development of hacker technology , It is no wonder that the personal leave of the server has been invaded , How to protect the security of the server is also a widely concerned issue in the operation and maintenance industry .
We can't solve the security problem of the network perfectly , But we can constantly strengthen the protection , Improve the defense capability of the server . How can we improve the security of the server ？ today , One to nine provides you with seven tips for maintaining server security .
1、 Install and set up firewalls . Now there are many firewalls based on hardware or software , Many security companies have also launched relevant products . For server security , It's necessary to install a firewall . Firewall has a very good preventive effect on illegal access , But installing a firewall doesn't mean server security . After installing the firewall , You need to be based on your network environment , Configure the firewall properly to achieve the best protection effect .
2、 Be sure to install system patches in time Whether it's Windows still Linux, Any operating system has vulnerabilities , Patch in time to avoid vulnerability being deliberately exploited , Is one of the most important guarantees of server security .
3、 Shut down unnecessary services and ports . When the server operating system is installed , Will start some unnecessary services , This will take up the resources of the system , It will also increase the security risks of the system . For servers that won't be used for a while , Can be completely turned off ; For servers to be used during , You should also shut down services you don't need , Such as Telnet etc. . in addition , And turn off what you don't have to turn on TCP port .
4、 Install network antivirus software . Now the virus on the network is very rampant , This needs to install network version of antivirus software on the network server to control the spread of the virus , meanwhile , In the use of network antivirus software , Must regularly or timely upgrade anti-virus software , And automatically update the virus database every day .
5、 Set up account and password protection . Account and password protection can be said to be the first defense line of the server system , At present, most of the attacks on the server system on the Internet start from intercepting or guessing passwords . Once a hacker enters the system , Then the previous defense measures almost lost their effect , So it is very important to manage the account and password of the server system administrator to ensure the system security .
6、 Back up the server regularly . In order to prevent unexpected system failure or user's careless illegal operation , The system must be backed up safely . In addition to the monthly backup of the whole system , The modified data should also be backed up once a week . meanwhile , Important system files that have been modified should be stored on different servers , So that when the system crashes ( It's usually a hard disk error ), It can restore the system to normal state in time .
7、 Monitoring system logs . By running the system logger , The system will record all users' use of the system , Including last login time 、 Account used 、 Activities, etc . The logger generates reports on a regular basis , By analyzing the report , You can know if there are any anomalies .
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