kerberos

AXIGEN is a fast, reliable and secure mail server, with an open architecture. AXIGEN offers central WEB / CLI Admin modules and is available for Linux, BSD and Solaris, also offering clustering support (see more on http://www.axigen.com).
Providing ESMTP, IMAP, POP3, IMAP Proxy, POP3 Proxy and Webmail services and an integrated List server, AXIGEN can be integrated with 14 antivirus/antispam applications.

Radmin is fast and secure remote control and remote access software that enables you to work on a remote computer as if you were sitting right in front of it and access it from multiple places. Radmin includes Windows Vista support, file transfer, multi-user text and voice chat, Windows security, Kerberos authentication, 256-bit AES encryption, telnet access, multiple monitors support and unique DirectScreenTransfer technology.

AbsoluteTelnet is a fast 32-bit telnet client that also supports SSH1, SSH2, TAPI Dialup and direct COM port connections. Rock solid emulation gives AbsoluteTelnet the edge, along with SOCKS Proxy, port forwarding, X11 forwarding, XTERM Mouse, session logging, Passthru printing, UTF8, charset translation, Color/Font settings, and a host of terminal options round out a feature set that is sure to satisfy the most demanding user.

SecureFX is a secure file transfer client for SFTP, FTP/SSL, and FTP. SecureFX combines an easy-to-use interface with advanced features like site synchronization, relentless file transfers, public-key, Kerberos v5 (GSSAPI) and X.509 certificate authentication, and a FIPS 140-2 validated cryptographic library. Drag and drop files file between the desktop and remote servers, or perform unattended file transfers with SFXCL command-line utility.

SecureCRT protects passwords, user accounts, and data, combining rock-solid terminal emulation with the strong encryption, broad authentication options, and data integrity of the Secure Shell protocol. SecureCRT has advanced session management and customization features, a multi-session tabbed interface, built-in scripting, and a wide range of emulations including VT100, VT102, VT220, ANSI, SCO ANSI, Wyse 50/60, Xterm, and Linux console.

Dynamic Update Tester is an application to test dynamic updates (RFC2136) on DNS servers. The latest version supports secure updates using transaction signatures (RFC2845). This is a test application not an automatic IP updater. For an advanced dynamic IP updater please try my DynSite program available at http://noeld.com/dynsite.asp

9.95 FTP is a powerful FTP client with an intuitive drag & drop user interface that allows you to transfer multiple files at the same time, resume downloads and uploads, manage your list of favorite FTP servers, monitor file transfers, control bandwidth usage, send raw FTP commands, change file attributes, connect through Secure FTP, SSL, Kerberos GSS, firewalls, SOCKS4/5 or HTTP 1.1 proxies, and much more...

The DNS Library is a COM object that makes dynamic DNS updates to BIND, Microsoft and other RFC-2136-compatible DNS servers possible from any scripting languages in an easy way. The library supports the following record types: A, MX, SRV, NS, CNAME, PTR, TXT. The library implements 5 components: DnsLibrary.Server, DnsLibrary.Resolver, DnsLibrary.Authentication, DnsLibrary.ResourceRecord, DnsLibrary.ResourceRecordSet. Secure updates supported.

WinSSHD is a fast, robust, easy to use SSH server for Windows NT4/2000/XP/2003 with TCP/IP tunneling; SFTP and SCP file transfer; secure login with Remote Desktop or WinVNC; VT100, xterm or bvterm terminal access. Supports Windows groups and domain accounts; public key and Kerberos authentication; virtual accounts; powerful graphical as well as scriptable configuration. Ideal for remote administration, as file server, or for software VPN.

DynSite automatically updates your dynamic IP address each time it changes on one or many dynamic DNS services or by email. This allows anyone to connect to the servers running on your own computer using a fully qualified domain name. Since your host name never changes it makes accessing your servers much easier than using your IP address which changes each time you reconnect. This is also useful when you want to remotely control your PC.

Free for individual use, Tunnelier is a fast, robust, easy to use SSH client for Windows (all versions) with advanced graphical SFTP file transfer and scriptable console-mode SFTP; VT100 and xterm terminals; dynamic and manual TCP/IP tunneling; auto-reconnect feature; single-click Remote Desktop forwarding; FTP-to-SFTP protocol bridge; user authentication with Kerberos (GSSAPI) and public keys. Highly customizable to satisfy special requirements.