alcatraz security systems

Today, it seems that Ryan's interview with Charlie Miller. This guy just captured the Safari browser at the cansecwest hacking competition. For the full text of the interview, see: Http://blogs.zdnet.com/security? P = 2941 One of the most interesting topics in the interview is: Why safari? Why didn't you go after IE or safari? It's really simple. safari on the Mac is easier to exploit. the things that Windows do to make it harder (for exploit to

-------------------------------------------------------------------------Configure the SSH logging feature to record who has logged in to your server via SSHIn the last write:Sshd:ALL:spawn echo ' Date '%c access my sshd >>/etc/sshlogSpawn indicates that the following command is executed' Date ' represents the command to execute date, showing the time of the current system%c indicates the user source IP address----------------------------------------------------------------------------------5, i

Vmwarevm xp and win7 systems cannot enter the Security Mode Applicable to VMware10.0. Other versions are unknown. When VMware is started, because there is no waiting time and it needs to be switched to the external system, many times it does not come and press F8, thus it misses the time to enter the safe mode, in the root directory of the current VMware virtual system. add bios to the first line in the v

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

1. Locking system Important filesThe system operator may sometimes encounter situations where a file cannot be modified or deleted by the root user, most likely because the file is locked. The command to lock a file under Linux is Chattr, which allows you to modify the file properties of the Ext2, ext3, and Ext4 file systems, but this command must be performed by Superuser root. The command corresponding to this command is lsattr, which is used to que

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