Securing the port scanning is fundamentals

1. PORT SCANNING Dr. Mohammad
Adly

2. PORT SCANNING
The difference between a Security
Administrator and a hacker is
PERMISSION

3. PORT SCANNING
Passive way of attacking
Introduces to active attacks
Common backdoor is to open a port
Scan 1-65,535
Various tools available
Nmap
Zenmap

4. PORT SCANNING WITH NMAP
The 1024 ports scanned but not shown below are in state
closed
Port State Service
21/tcp open ftp
23/tcp open telnet
25/tcp open smtp
79/tcp open finger
98/tcp open linuxconf
111/tcp open sunrpc
113/tcp open auth
513/tcp open login
514/tcp open shell
515/tcp open printer

5. OPERATING SYSTEM
IDENTIFICATION
Looks for subtle differences in target responses
Develops a fingerprint
Compares the fingerprint against a pre-build database of OS
fingerprints

6. NMAP
Port Scanning Software
Used on MS Windows and Linux
ZENMAP with GUI

7. THANK YOU