要禁用CentOS系統(tǒng)中的不必要的網(wǎng)絡(luò)端口和服務(wù),可以按照以下步驟進(jìn)行操作:
sudo netstat -tuln
sudo systemctl stop <service-name>
sudo systemctl disable <service-name>
sudo systemctl disable <service-name>
sudo firewall-cmd --state
sudo systemctl start firewalld
sudo systemctl stop firewalld
sudo systemctl disable firewalld
sudo firewall-cmd --add-port=<port>/tcp
sudo firewall-cmd --add-port=<port>/udp
sudo firewall-cmd --permanent --add-port=<port>/tcp
sudo firewall-cmd --permanent --add-port=<port>/udp
sudo firewall-cmd --reload
請(qǐng)注意,禁用或更改網(wǎng)絡(luò)端口和服務(wù)可能會(huì)影響系統(tǒng)的正常運(yùn)行,請(qǐng)謹(jǐn)慎操作,并確保禁用的服務(wù)不會(huì)對(duì)系統(tǒng)功能產(chǎn)生負(fù)面影響。