AccuTerm 7.1 Lite Release Notes
Contents
1. SSL connection tunnel This provides privacy and optionally authentication of both client and server This connection method is provided primarily for users who need to connect to UniVerse UniData and other MultiValue platforms running on Windows These platforms do not support Secure Shell SSH Both UniVerse and UniData have support for SSL Telnet Other MultiValue platforms may be able to use this connection method by using an SSL proxy such as stunnel Please consult your U2 documentation for server configuration instructions Setting up the server for SSL is not a trivial task At minimum a self signed X 509 Server certificate must be installed on the server for SSL Telnet to function In addition to the advanced Telnet options which are the same for SSL Telnet and normal Telnet SSL Telnet has options for validating the server certificate and for specifying an optional client certificate Server certificate validation can be selected from a drop down list None any server certificate is assumed to be valid Minimal the server certificate s name role expiration and root certificate authority are ignored The certificate is rejected only if it has been revoked Self signed disregard host name the server certificate s name role and root Certificate Authority are ignored The certificate is rejected if it is expired or revoked Self signed verify host name the server certificate s role and root Certificate Authority2. are ignored The certificate is rejected if the certificate Common Name does not match the host name specified in the Host Name or IP Address for the session configuration It is also rejected if it is expired or revoked Strict the server s certificate must be issued by a trusted Certificate Authority and it must be valid for use as a Server certificate It must not be expired or revoked and the Common Name must match the host name specified in the session configuration Host Name or IP Address field Custom various requirements for certificate validation can be individually selected in the event that the typical validation levels are not appropriate for a given host If the host requires client authentication a client certificate can be selected from the drop down box The drop down lists all client certificates installed on the user s computer showing the Common Name the issuing Certificate Authority and the certificate expiration date The client certificate is used to authenticate the client to the server while establishing the SSL connection Normal login credentials user ID and password may still be required to initiate the Telnet session New Escape Sequences AccuTerm Programming Some new private escape sequences added to AccuTerm 7 ESC STX p mode CR selects the printer mode mode 0 turns off auto or transparent print mode 1 turns on auto print mode 2 turns on transparent print mode X turns off a
3. you lose your activation code or have other support issues New Features Main Program The menu toolbar and status bar have been completely revamped The default font for new sessions is now DejaVu Sans Mono This font has better hinting for small character sizes than the AccuTerm Legacy TrueType font and has decent Unicode character set coverage In prior versions of AccuTerm the AccuTerm font consisted of hand tuned bitmap fonts for smaller character sizes and TrueType fonts for larger sizes Because Windows bitmap fonts do not support Unicode the supplied AccuTerm Legacy bitmap font is limited to the Latin 1 ISO 8859 1 character set The supplied AccuTerm Legacy TrueType font may also be used however due to poor hinting rendering quality at small character sizes will suffer The AccuTerm Legacy True Type font also appears to have thinner strokes at larger sizes The new DejaVu font is recommended In AccuTerm 7 the Settings dialog box has been completely re designed The new interface uses a tree to select the category of setting to display in the main pane of the dialog Using the tree interface has made the settings more logical AccuTerm 7 supports independent settings for screen printing and slave printing Network features in AccuTerm 7 have been improved IPV6 is now supported as is Internationalized Domain Names punycode Support for D3 Device Licensing has been added to telnet and SSH SSH has an additional authenticat
4. AccuTerm 7 1 Lite Release Notes Release 7 1c 11 07 2014 AccuTerm 7 Lite is designed to run on Windows XP SP2 and above It will not run on Windows 2000 or any Windows 9x or ME versions It is a 32 bit Windows application and requires an Intel x86 32 or 64 bit architecture CPU It is not compatible with ARM processors Windows CE Windows Mobile Windows RT Upgrading from AccuTerm 7 1a to AccuTerm 7 1c AccuTerm release 7 1c provides updates to Secure Shell SSH and adds a new connection method SSL Telnet An incompatibility in Windows 8 1 cryptographic support required a change in AccuTerm s SSH crypto functions SSH host key verification was also added in this release See the highlighted sections below for details on the new SSH and SSL features Upgrading from AccuTerm 7 to AccuTerm 7 1 The main focus of AccuTerm 7 1 is to add support for Unicode AccuTerm terminal sessions green screen Enhancements or changes which are new to AccuTerm 7 1 compared to AccuTerm 7 are denoted by shaded text AccuTerm 7 1 Lite should be installed in a separate directory from other versions of AccuTerm AccuTerm 7 1 does not share any common components with prior versions of AccuTerm The default installation directory is C Program Files Atlite71 The application data directory is the same as for AccuTerm 7 Lite C Users username AppData Roaming Asent atwin70 This is where the dialing directory and ssh key files are stored Upgrading from Acc
5. ating if a block of the specified name exists in AccuTerm s screen block memory
6. cludes all of the characters for the scripts you intend to display At this time only left to right text is supported We plan on adding bidirectional support for mixed left to right and right to left text in a future release SSH Enhancements Host key verification Verification of a server s host key when establishing an SSH connection is a security feature that is standard in many other SSH implementations but has not previously been supported by AccuTerm This release addresses this issue by adding some new settings in the SSH configuration panel to specify the level of verification desired The choices are None the host key is not verified and AccuTerm assumes that you are connected to the desired host This is how all previous versions of AccuTerm have behaved Trust on first use if the key has not been established first time you connect to a particular host AccuTerm assumes that you are connected to correct host and its key is saved in your session configuration The key is verified on subsequent connections If verification fails the connection is aborted Confirm change a dialog is displayed if a change in the host key for a particular session is detected Confirmation is required to complete the connection If the host is confirmed the new key is saved in the session configuration otherwise the connection is aborted Verify host key fingerprint requires that the host key fingerprint be manually entered in the SSH sett
7. ed themes including Modern amp Classic Windows Screen background picture wallpaper Images Sounds Customizable menu toolbar Session tabs Function key button bar GUI designer GUI runtime wED editor MultiValue server ObjectBridge Execute DOS Windows command from host New MsSl based Installer The AccuTerm 7 1 Lite installer has been redesigned using Microsoft Installer MSI The MSI installation file is wrapped in a standard EXE installer which allows the selection of the desired installation type The EXE installer then launches the MSI install msiexec with appropriate options As with AccuTerm 7 Lite three installation modes are supported normal all users personal install for current user only and portable run from removable device The silent install options have been changed from q or s to SILENT or VERYSILENT The format of the setup ini file used to customize the installation process has been changed Please see the user manual or online help for more information Product Activation The product activation has been updated in AccuTerm 7 The product can now be activated at any time without requiring a re install In the Help menu there is a new selection Enter Activation Code The Activation form has a check box Send registration details to AccuSoft over the Internet We recommend checking this box to register your copy of AccuTerm when it is activated This will aid us in helping you in the event that
8. ings If the key verification fails the connection is aborted The fingerprint is the MD5 or SHA1 hash of the host key in hex If your host is running OpenSSH you can use the ssh keygen command to display the host key fingerprint and copy paste the fingerprint into the Key Fingerprint box in AccuTerm s SSH settings The command to display the RSA host key fingerprint is ssh keygen lf etc ssh ssh_host_rsa_key pub To display the DSA host key fingerprint change rsa to dsa in the above command Note the ssh keygen command displays the MD5 hash of the host key You can use this fingerprint for host key verification unless you are running AccuTerm in FIPS 140 mode In FIPS 140 mode the MD5 hash algorithm is not supported and you will need to use the SHA1 hash instead At this time we are unaware of any Linux command to display the SHA1 hash of the host key Default SSH2 cipher changed to AES 128 in CTR mode The default cipher used for SSH2 connections was changed from Triple DES to AES 128 bit in CTR mode Security experts have discovered a weakness in CBC mode ciphers and now recommend using CTR mode instead This may affect the cipher used for SSH2 connections if you are using the default cipher SSL Telnet Connection A new connection method SSL Telnet has been added to this release This connection method establishes a secure SSL TLS connection between AccuTerm and the host then initiates a Telnet session within the
9. ion protocol Keyboard Interactive This protocol is similar to Password but is host driven It is in common use on many Linux versions The difference between Keyboard Interactive and Password authentication is that Keyboard Interactive supports password expiration and changing if supported by the host AccuTerm 7 1 SSH supports two additional encryption algorithms Diffie Hellman group 14 key exchange previously only group 1 was supported and RSA signatures previously only DSS signatures were supported but some Cisco routers require the RSA signature algorithm SSH now supports Putty format private key files so you can import DSA and RSA private keys generated using Putty s puttygen exe program AccuTerm 7 1c SSH supports host key validation which can be used to protect against man in the middle attacks Unicode Support To use Unicode UTF 8 as your host character set encoding select Unicode UTF 8 from the Host Character Set Encoding drop down list in the Session Settings gt Terminal gt Font amp Character Set page Select a suitable font to support the language s you intend to use Configure your host to use UTF 8 encoding Note if you attempt to display characters that are not defined in the selected font Windows font linking will attempt to use another suitable font for those characters Sometimes the results are acceptable but if the linked font does not produce suitable results choose a font that in
10. uTerm 2K2 Lite to AccuTerm 7 1 Lite AccuTerm 7 1 Lite should be installed in a separate directory from previous versions of AccuTerm 97 2000 2K2 Unlike previous AccuTerm versions AccuTerm 7 1 does not share any common components with prior versions of AccuTerm The default installation directory is C Program Files Atlite71 The application data directory has moved to C Users username AppData Roaming Asent atwin70 This is where the dialing directory and ssh key files are stored Differences between AccuTerm 7 1 Lite amp Standard AccuTerm 7 1 Lite is based on the single document interface standard To open more than one session you need to open multiple copies of AccuTerm 7 Lite AccuTerm 7 1 Lite supports the following features Accurate emulations for ADDS Wyse and VTxxx terminals Serial Modem Telnet Secure Shell v1 amp v2 and SSL Telnet connections IPV6 Integrated 10 000 line scrollback buffer Copy and Paste to clipboard Screen print amp Slave printer Automatic scalable fonts Screen size up to 240 columns by 240 rows by 25 pages Unicode UTF 8 host character set encoding Can be installed on a portable device such as flash drive The following features are supported by the Standard version of AccuTerm 7 but are not available in the Lite version File Transfer with Wizard Data Capture VBA Scripting Multiple document interface for multiple sessions Macro Recorder Automation Visual styles Pre defin
11. uto or transparent print and closes the print job immediately ESC STX 2 Enables mouse input in SystemBuilder compatibility mode turns on mouse cursor Transmits mouse location whenever a mouse button is pressed ESC STX jS ID col row width height page CR Saves a copy of the specified screen block text colors and visual effects and terminal state in memory and associates the block with the specified identifier ID which can be an arbitrary alpha numeric string may not contain commas Any number of screen blocks can be saved Col and row specify the upper left corner of the block If either is omitted or null zero is assumed Width and height specify the size of the block If width or height is omitted or null the screen width or height is used Page optionally specifies the terminal page for the block and if omitted or null the current page is used ESC STX jR ID col row page CR Restores the screen block associated with the specified identifier ID to the screen Col and row specify the upper left corner of the destination If either is omitted or null the original position of the saved block is assumed Page optionally specifies the terminal page for the destination and if omitted or null the current page is used ESC STX jD ID CR Deletes the screen block associated with the specified identifier ID from memory ESC STX yj name CR Queries status of a stored screen block Sends a 0 or 1 followed by a CR indic
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