barracuda cloud email security

When the concept of cloud data storage emerged, people were really happy. The emergence of cloud data storage allows people to breathe in the fight against malware, keyboard monitoring, PC monitoring software, and so on. However, after people migrate digital luggage to the cloud, they forget the measures required to ensure data

public_content_rw_t pub-- GT; Note the path/var/ftp/pub restorecon-r-v pub--for/var/ftp/pub setsebool-p allow_ftpd_anon_write. Black and White List blacklist:/etc/vsftpd/ftpusers in the main configuration file there is a row parameter: userlist_enable=Yes if the parameter is yes, the/etc/vsftpd/user_ List is a blacklist. If the parameter is no, the/etc/vsftpd/user_list is the whitelist. If there is no configuration for the row, the default parameter is No. Man 5 vsftpd.conf 0 Basic Learning

Wangkang technology Huiyan cloud security platform has the second-level password change Vulnerability (Official Website account \ Sina \ 360) 1. register an account and receive an email to continue registration, 2. Open the url in the mailbox and set the password 3. Change username to another account when submitting the application. The modification is successf

Iptablesiptables-restore iptables Restores the last saved iptables State iptables-save >/etc/sysconfig/ iptables can also be saved in this way. EL7 firewall firewalld1. editing mode firewall- Config graphical tool 2. Command line: firewall- cmd3 . Status control systemctl Restart Firewalld stop Kernel: Module 1. module: Provide some functions, need to load up, do not need to uninstall, can have a personalized control of the server. 2. View the modules that have been loaded lsmod3. Where