Port Authority Edition – Internet Vulnerability Profiling
by Steve Gibson, Gibson Research Corporation.
Shields UP! is checking YOUR computer's Internet connection security . . . currently located at IP: 
Please Stand By. . . |
 | Attempting connection to your computer. . .
Shields UP! is now attempting to contact the Hidden Internet Server within your PC. It is likely that no one has told you that your own personal computer may now be functioning as an Internet Server with neither your knowledge nor your permission. And that it may be serving up all or many of your personal files for reading, writing, modification and even deletion by anyone, anywhere, on the Internet! |
 | Preliminary Internet connection refused!
This is extremely favorable for your system's overall Windows File and Printer Sharing security. Most Windows systems, with the Network Neighborhood installed, hold the NetBIOS port 139 wide open to solicit connections from all passing traffic. Either this system has closed this usually-open port, or some equipment or software such as a "firewall" is preventing external connection and has firmly closed the dangerous port 139 to all passersby. (Congratulations!) |
| Unable to connect with NetBIOS to your computer. All attempts to get any information from your computer have FAILED. (This is very uncommon for a Windows networking-based PC.) Relative to vulnerabilities from Windows networking, this computer appears to be VERY SECURE since it is NOT exposing ANY of its internal NetBIOS networking protocol over the Internet. |
 Unfortunate as it is, the dangers presented by unprotected use of the Internet are very real, and they are growing every day. Please help to prevent system intrusions by spreading the word and telling your Internet friends about these free services. They will always be free, and they will be enhanced from time to time as other security needs and problems arise. I'll be glad to drop you a short eMail note when new solutions or significant improvements are made. Check out our "User-Managed eMail System" here! The world's Internet is an incredible facility, but like any powerful tool it needs to be used with care, wisdom, and caution. Unfortunately, not everyone with access to the Internet has your best interests at heart.
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