an Internet security check of your computer for free with these
excellent security test utilities from Gibson Research Corporation.
your Windows based PC check for your firewall with this free security
test for leaks.
you are having some security problems on a Windows OS computer
and are looking for some tools to help you identify and possibly
fix them, try some of these
free security check utilities.
a check of any computer connected to the Internet use Shields
UP!. Some sample results from Shields Up! follow.
a Linksys router installed between a
PC and a DSL modem the computer connection received a clean bill
of health from Shields Up!. If the report for your computer isn't
as good, check our recommendations
for some easy and inexpensive solutions.
Results of Shields UP! Checking a Computer's Internet Security
with the Linksys Router on a DSL Line
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!"
Your Internet port 139 does not appear
to exist! One or more ports on this system are operating
in FULL STEALTH MODE! Standard Internet behavior requires port
connection attempts to be answered with a success or refusal response.
Therefore, only an attempt to connect to a nonexistent computer
results in no response of either kind. But YOUR computer has DELIBERATELY
CHOSEN NOT TO RESPOND (that's very cool!) which represents advanced
computer and port stealthing capabilities. A machine configured
in this fashion is well hardened to Internet NetBIOS attack and
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
Results of Checking for Connectable Listening Internet Ports
on all of the ports tested was: Stealth! There is NO
EVIDENCE WHATSOEVER that a port (or even any computer) exists
at this IP address! . . . for all intents and purposes your computer
doesn't exist to scanners on the Internet!"
means that either your computer is turned off or disconnected
from the Net (which seems unlikely since you must be using it
right now!) or an effective stealth firewall is blocking all unauthorized
external contact with your computer. This means that it is completely
opaque to random scans and direct assault. Even if this machine
had previously been scanned and logged by a would-be intruder,
a methodical return to this IP address will lead any attacker
to believe that your machine is turned off, disconnected, or no
longer exists. You couldn't ask for anything better."
settle for anything less than a perfect Stealth rating from
the Shields Up! security test. It is easy and not expensive
to put adequate protection in place. Don't leave your system
and data exposed and at risk from hackers.
A cable/dsl router for broadband sharing of the Internet
allows multiple users to share one access account and provides
excellent protection against hackers.
Online Security Recommendations
checking your computer's security is so important. Options and
security solutions for your computer.