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A Monthly Newsletter - December 2003

Bonanza! Lots of new VanDyke Software releases available since the last issue. Have you wanted to use Kerberos authentication with FTP and Secure Shell sessions? Now you can with SecureCRT® 4.1 and SecureFX® 2.2 in official release. These new versions also feature better integration with each other. Our tip this month shows you how to make the CRT™—SecureCRT upgrade path a little easier, using VBScript to import and adapt CRT sessions in SecureCRT. Check out the review of Bruce Schneier's latest book "Beyond Fear" to see if it should be on your wish list. We also have a correction to last month's tip on tunneling SMB with SecureCRT: see the Tip section. This is also the time for us here at VanDyke Software to extend our best holiday wishes — we hope you have a great time whatever the occasion.


1. Feature — VanDyke Clients Offer Kerberos, Integration
3. Tip — Importing CRT Sessions to SecureCRT
4. Recommended Reading — Bruce Schneier's "Beyond Fear"
5. New Releases
6. Current Releases

1. Feature — VanDyke Clients Offer Kerberos, Integration

New releases of SecureCRT and SecureFX deliver support for Kerberos v5 authentication for single sign-on with strong security. Both applications now support Kerberos v5 through the open and well-known GSSAPI. These upgrades are also the answer to the question "Why do I have to authenticate with SecureFX when I already have a Secure Shell session open to the same host?" Shared authentication capability is provided via a common host key database and private-key agent cache. SecureFX 2.2 and SecureCRT 4.1 now combine the power and quality user interface of dedicated independent applications for FTP and Secure Shell with the ease of use of less capable integrated packages.

The CRT 4.1 terminal emulator and AbsoluteFTP® 2.2 file transfer client have also been recently upgraded in official release. CRT now has improved support for scalable line drawing fonts and log filename generation through the use of variables. AbsoluteFTP improves remote editing of files as well as resuming interrupted multi-file transfers.

For more information on new release capabilities, please visit the VanDyke Software Products section of our web site:

To download these releases, please visit the VanDyke Software download section:

2. Tip — Importing CRT Sessions to SecureCRT

Are you a CRT user who has recently upgraded or would like to upgrade to SecureCRT? Or does your company's security policy now require SSH instead of Telnet?

If you're like some CRT users, you have many sessions configured for connecting to machines using Telnet. So how do you go about transferring your CRT sessions to SecureCRT? You can copy the sessions as they are from the CRT configuration folder to the corresponding folder for SecureCRT. But the protocol will still be Telnet and you need to use SSH2. If you have more than just a few sessions, manually changing all of the properties to SSH2 can take a lot of time.

With the use of a VBScript, you can automatically import all of your CRT sessions into SecureCRT and have the protocol changed from a nonsecure one to a secure protocol such as SSH2.

This import method takes advantage of the VBScript support and the Script Run command. For the script and instructions on how to use it, visit this VanDyke Software web page:


Further testing by VanDyke Software Support has shown that File and Printer Sharing does *not* have to be uninstalled as stated in the November tip on tunneling SMB. If you do not want to uninstall File and Printer Sharing, you must disable Direct Hosting on port 445 while setting up the initial SecureCRT or Entunnel session. This is done by changing a registry key value and rebooting. The following VanDyke web page has been updated to reflect this option.

Please contact VanDyke Software Support for more information.

3. Recommended Reading — "Beyond Fear," by Bruce Schneier

"Beyond Fear" by Bruce Schneier considers security issues on a much larger canvas than corporate or computer security. Schneier aims at a nontechnical post-9/11 audience, with a stated goal to "demystify security" and provide ways for everyone to evaluate major decisions about airline or online security we hear on the evening news. Schneier has lately become a very public "expert," going beyond conference panels to speak out on television and testify before Congress. If you follow this, you may enjoy reading "Beyond Fear." Network security professionals likely won't learn anything new about their craft, and words like "inaccurate" and "questionable" have been bandied about in some reviews.

Some reviewers have concluded that the latest book is not a must-read for professionals like Schneier's "Secrets and Lies" was. Still, "Beyond Fear" generally receives high marks for being a well-written book of general interest with lucid explanations. It could certainly help others around you — your spouse, CEO, or nontechnical clients, for instance — learn how to think more clearly about security.

Who knows? They might even begin to appreciate what you do.

"Beyond Fear," by Bruce Schneier, Copernicus Books 2003. ISBN: 0387026207

You can learn more about Bruce Schneier, his writing and ideas, including subscription information to the Crypto-Gram newsletter, at

4. New Releases

Official releases were made available in early December for SecureCRT 4.1, SecureFX 2.2, CRT 4.1, and AbsoluteFTP 2.2.

The beta 2 release of Entunnel 1.1 was posted on December 9th. This new version adds Kerberos support and integration with SecureCRT 4.1 and SecureFX 2.2.

When used with VShell™ 2.2, SecureCRT, SecureFX and Entunnel provide support for Kerberos v5 authentication.

You can download new releases at:

For quick access to previous official releases, go to:

5. Current Releases

The following lists our latest official product releases:

SecureCRT 4.1
SecureFX 2.2
Entunnel 1.0.8
CRT 4.1
AbsoluteFTP 2.2
VShell 2.2.3 Server for Windows
VShell 2.2.3 Server for UNIX
    Red Hat Linux 7
    Red Hat Linux 8
    Red Hat Linux 9
    Solaris 8
    FreeBSD 4.8
    Mac OS X

To download any of our current releases, go to:

To download OpenSSH 3.7.1 p2, an extended version of OpenSSH that supports the public-key subsystem, visit:

All VanDyke Software products may be downloaded and evaluated at no cost for 30 days. Licenses include one year of free upgrades and unlimited access to our expert technical support.

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VanDyke Software, AbsoluteFTP, CRT, Entunnel, SecureCRT, SecureFX, and VShell are trademarks or registered trademarks of VanDyke Software, Inc.

All other products and services mentioned are trademarks or registered trademarks of their respective companies.

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