http://netalyzr.icsi.berkeley.edu/
Exemple:
Major Abnormalities * No DNS Port Randomization Minor Aberrations * Certain protocols are blocked in outbound traffic * An HTTP proxy was detected based on added or changed HTTP traffic * Your computer's clock is slightly fast Address-based Tests NAT detection: NAT Detected Your global IP address is 10.0.1.2 while your local one is 192.168.200.206. You are behind a NAT. Your local address is in unroutable address space. Your NAT renumbers TCP source ports sequentially. The following graph shows connection attempts on the X-axis and their corresponding source ports on the Y-axis. ...