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000333_news@columbia.edu _Wed Feb 21 09:46:25 2001.msg
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From: fdc@columbia.edu (Frank da Cruz)
Subject: Re: Folding Telnet enhancements into Linux distros
Date: 21 Feb 2001 14:44:23 GMT
Organization: Columbia University
Message-ID: <970k87$ls1$1@newsmaster.cc.columbia.edu>
To: kermit.misc@columbia.edu
In article <w0mzofg1b1o.fsf@Xenon.Stanford.EDU>,
Thomas Wu <tjw@Xenon.Stanford.EDU> wrote:
:
: A recent mailing-list discussion prompted me to notice that the
: default Telnet client and server distributed with various Linux
: distributions like RedHat have fallen far behind the state-of-the-art
: Open Source Telnet codebases out there, especially as far as
: security is concerned. Features that have been added include:
:
: - Strong authentication: SRP, Kerberos V5/V4
: - Encryption: 3DES, CAST-128, DES
: - X11 session forwarding
: - SSL/TLS-based session security (confidentiality and integrity)
:
: Some of the enhancements provide security features not present in
: existing remote access products, like ssh, and users should be allowed
: a free choice in the matter.
:
Secure Telnet servers are listed here:
http://www.columbia.edu/kermit/telnetd.html
Various secure Telnet clients exist, most of them modifications of the
regular UNIX Telnet client, adding one of the security methods.
C-Kermit 7.0, however, implements all of the ones that Tom listed:
http://www.columbia.edu/kermit/ckermit.html
and adds file transfer, scripting, and character-set translation. Its
license allows inclusion with Linux:
ftp://kermit.columbia.edu/kermit/f/COPYING.TXT
: Are crypto export restrictions still an
: issue for Linux distros these days?
:
Binaries are restricted. There is also a USA embargo on a list of
specific countries, but apparently it does not extend to making
source code available in public venues.
- Frank