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Simple-to-use Internet Server Identification Utility
Page last modified: Oct 06, 2003 at 14:29Developed by Steve Gibson
Ultimately, the security of your personal
information is YOUR responsibility.
The Microsoft Internet Information Server (IIS) Worm Wars of 2001 demonstrated
that not all web servers are equally secure. The multiple rounds of rapidly
spreading IIS worms dramatized a fact that had been troubling security
professionals for quite some time: Compared to the other popular web server
solutions, Microsoft's offerings generate a continuous stream of serious
security problems. Moreover, unlike embarrassing but comparatively benign
problems such as web site defacement, Microsoft's security vulnerabilities
usually place the web site's visitor data at risk of theft and malicious
exploitation.
During the last quarter of 2001 we saw an increase in eMail asking if there was
any way to tell what server software any given web site was using. Presumably,
these users were either curious, or they intended to use that information, if it
were available, to help choose which sites they would prefer not to entrust with
their confidential and personal data.
This information is readily available . . .
Although the make, model, and version of most web site's server software has
always been available to client programs, it has never before been important or
particularly interesting to most web site users. Recently, for at least some
users, this appears to have changed. Since I have also sometimes wondered about
the security and server software used by "off the beaten path" web sites, I
decided to whip up "ID Serve", a simple, free, small (26 kbytes), and fast,
general purpose Internet server identification utility.
Introducing ID Serve:
Click the image above or the button below to download ID Serve.
File stats for: ID Serve
Last Updated:
Size: 26k Aug 26, 2003 at 21:56
(7,675.86 days ago) Downloads/day: 22
Total downloads: 1,085,344 Current Rank: 12
Historical Rank: 12
While I was at it, I added a few additional features . . .
While I was writing ID Serve, I decided to toss in a few more features to make
it more broadly useful. Here's the short list of ID Serve's capabilities:
HTTP Server Identification: As stated above, and as shown in the sample screen
shot above, ID Serve can almost always identify the make, model, and version of
any web site's server software. This information is usually sent in the preamble
of replies to web queries, but it is not shown to the user. Non-HTTP Server
Identification: Most non-HTTP (non-web) Internet servers (like FTP, SMTP, POP,
NEWS, etc.) are required to transmit a line containing a numeric status code and
a human readable greeting to any connecting client. So ID Serve can also connect
with non-web servers to receive and report that server's greeting message. This
generally reveals the server's make, model, version, and other potentially
useful information. Reverse DNS Lookup: As shown in the image above, most ID
Serve users will enter a site's or server's domain name or URL. ID Serve will
then use the domain name system (DNS) to determine the IP address for that
domain. But sometimes it's useful to go in the other direction to determine the
domain name associated with a known and provided IP. This process, known as
"reverse DNS lookup", is also built into ID Serve. Simply enter any IP address
and ID Serve will attempt to determine the associated domain name.
Additional applications for ID Serve:
Simple Cookie Scout: If you are curious about the appearance, format,
expiration, and use of a web site's browser cookies, ID Serve can be a
convenient way to examine a web site's cookies without either providing or
accepting that site's cookies. Simply scroll back through the "Server query
processing" window to examine the "Cookie:" header lines sent by the site's web
server. Simple Port Probe: ID Serve uses the standard Windows TCP protocol
when attempting to connect to a remote server and port. Just like our ShieldsUP!
port probe, ID Serve will display either connection success (an open port), or
connection failure. In the event of a connection failure, ID Serve determines
and displays whether the port is closed or stealth. ID Serve can, therefore, be
used as a simple probe of any port on any remote machine.
That's all there is to it.
Additional descriptive text and a Q&A page of specific operating instructions,
with examples and hints, are built into the program. Please refer to them for
answers to any operational questions.
If you are concerned about the potential lack of security of some commercial web
sites, or if you are just curious about the identity of web and non-web Internet
servers, ID Serve can provide that information quickly and easily. If you have
been looking for a simple way to track down the domain names belonging to IP
addresses (for example, for IP addresses appearing in your personal firewall
logs), ID Serve will do that job as well.
I hope you will find ID Serve to be fun to use, useful and reliable.
Gibson Research Corporation is owned and operated by Steve Gibson. The contents
of this page are Copyright (c) 2024 Gibson Research Corporation. SpinRite,
ShieldsUP,
NanoProbe, and any other indicated trademarks are registered trademarks of
Gibson
Research Corporation, Laguna Hills, CA, USA. GRC's web and customer privacy
policy.
Last Edit: Oct 06, 2003 at 14:29 (7,635.17 days ago)Viewed 88 times per day