Security: Basic OS Security

Disable Services

• Remote Desktop Disable
• check active port

nmap -sT -O localhost
netstat -tulpn
netstat -ntlupa

• check daemon

chkconfig --list | grep '3:on'
service serviceName stop
chkconfig serviceName off

Files Security

• File Permission
• File Owner
• File Encryption
• Harddisk Partition
• Find World Writeable files
• Find Noowner files

File Transfer

• Disable FTP

Sharing Files

• Enable / Disable SMB