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Secure Console Servers
SCS and SCS-R Models
Product Manual
Part Number MAN-000001
Revision C
Logical Solutions Inc.
100 Washington Street
Milford, Connecticut 06460 U.S.A.
Telephone (203) 647-8700
Fax (203) 783-9949
www.thinklogical.com
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Copyright Notice Copyright © 2003 All Rights Reserved. Printed in the U.S.A. Logical Solutions Incorporated 100 Washington Street Milford, Connecticut 06460 U.S.A. Telephone (203) 647-8700 All trademarks and services marks are property of their respective owners. At Logical Solutions, we do our best to provide comprehensive information with our products. In the event we have an error or oversight in this document, we’re sorry, and we will do our best to address the issue in the next revisio
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SECURE CONSOLE SERVERS SCS160 / SCS320 / SCS480 / SCS160R / SCS320R Product Manual 1 Introduction - - - - - - - - - - - - - - - - - - - - - - 9 1.1 SCS Models Covered in this Manual - - - - - - - - - - - - - - 9 1.2 System Features - - - - - - - - - - - - - - - - - - - - - - - -10 1.3 Software Features - - - - - - - - - - - - - - - - - - - - - - -11 1.4 Hardware Features - - - - - - - - - - - - - -
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3.2 Connections - - - - - - - - - - - - - - - - - - - - - - - - - -22 3.2.1 Power - - - - - - - - - - - - - - - - - - - - - - - - - - - - -22 3.2.2 AC Input - - - - - - - - - - - - - - - - - - - - - - - - - - - -22 3.2.3 Connecting to the Network Port - - - - - - - - - - - - - - - - -23 3.2.3.1 SCS160R / SCS320R Dual NIC Interface - - - - - - - - - - -23 3.2.4 Connect your Console - - -
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SECURE CONSOLE SERVERS 5.3 Default Services - - - - - - - - - - - - - - - - - - - - - - - -44 5.3.1 Configure the Services - - - - - - - - - - - - - - - - - - - - -44 5.3.1.1 Configure the Services - - - - - - - - - - - - - - - - - - - -45 6 Commands - - - - - - - - - - - - - - - - - - - - - - - 47 6.1 System Commands - - - - - - - - - - - - - - - - - - - - - - -47 6.2 save Command - - -
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7.9 NIS and User Port Permissions- - - - - - - - - - - - - - - - -61 7.9.1 User Port Control - - - - - - - - - - - - - - - - - - - - - - -61 7.9.2 Changing Serial Port settings- - - - - - - - - - - - - - - - - -61 7.9.3 NIS Port Access - - - - - - - - - - - - - - - - - - - - - - - -62 7.9.4 User Names and Groups - - - - - - - - - - - - - - - - - - - -63 7.9.5 NIS Database file - - - - - - -
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SECURE CONSOLE SERVERS 9.3 What Can A User Do - - - - - - - - - - - - - - - - - - - - - -72 9.3.1 Access via Network - - - - - - - - - - - - - - - - - - - - - -72 9.3.2 ssh to a Port - - - - - - - - - - - - - - - - - - - - - - - - - -72 9.3.3 Access via Console Port - - - - - - - - - - - - - - - - - - - -72 9.3.4 Interactive Mode - - - - - - - - - - - - - - - - - - - - - - - -72 9.3.5 B
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A File System - - - - - - - - - - - - - - - - - - - - - - 85 Read-Only vs. Read-Write - - - - - - - - - - - - - - - - - - -85 Read-Write Mode - - - - - - - - - - - - - - - - - - - - - - -85 LSI Directories - - - - - - - - - - - - - - - - - - - - - - - -86 B FAQ - - - - - - - - - - - - - - - - - - - - - - - - - - 87 How do I do this? - - - - - - - - - - - - - - - -
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SECURE CONSOLE SERVERS SCS Models Covered in this Manual 1 Introduction Introducing the Logical Solutions Inc. Secure Console Servers 1.1 SCS Models Covered in this Manual All Logical Solutions Secure Console Server (SCS) models covered in this manual are similar in physical appearance, setup and functionality. Figure 1.1 Logical Solutions SCS160, 16-Port Secure Console Server, front and rear view • Model SCS160 - 16-Port 1U Secure Console Server (shown above) • Model SCS320 - 32-Port 1U Secu
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Introduction Figure 1.2 SCS160R Secure Console Server, front and rear views The following SCS models are available for International customers, and are shipped with regionally-appropriate AC power cordsets (otherwise similar to the SCS160 / SCS320 / SCS480, respectively). • Model SCS1601 - 16-Port 1U Secure Console Server, International • Model SCS3201 - 32-Port 1U Secure Console Server, International • Model SCS4801 - 48-Port 1U Secure Console Server, International 1.2 System Features Each
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SECURE CONSOLE SERVERS Software Features Figure 1.3 SCS320 Secure Console Server (32 Ports), front and rear views 1.3 Software Features The SCS is designed with network administrators in mind. No need for special administration tools, training or procedures. You know Linux, we run Linux. • Open-source Linux Operating System (Red Hat distribution) • Proprietary command-line options for SCS features follow the familiar Linux / UNIX command formats for ease of administration • Factory pre-config
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Introduction Figure 1.4 SCS480, 48-Port Secure Console Server, front and rear views The SCS can help you troubleshoot your networking environment. The SCS is a "listening" system that monitors the messages (ASCII data, server error information, etc.) from the serial port of the device to which each Port is connected. The SCS cap- tures the data by writing it to a port buffer, each of which can hold 256K bytes of data. This buffered data gives the sysadmin a history of console port messages w
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SECURE CONSOLE SERVERS Technical Specifications 1.5 Technical Specifications Each Logical Solutions SCS system is designed to the following specifications: User Interface Linux command-line access via ssh or local console port Backlit 2-line front-panel LCD display shows Network configuration Five front-panel push buttons with UI for Network setup Serial Interface [SCS160 = 16 Ports; SCS320 = 32 Ports; SCS480 = 48 Ports] (Ports) RJ45-type 8-conductor connector (DTE or DCE; software selectable)
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Introduction Figure 1.5 SCS320R, showing front and rear views SCS160 / SCS320 / SCS480 Page 14 www.thinklogical.com SCS160R / SCS320R
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SECURE CONSOLE SERVERS Intended Application 2 Product Overview Optimize your System Administration and Network Resources 2.1 Intended Application The Logical Solutions Secure Console Servers are used to securely monitor and centrally manage up to 48 of your networking systems (servers, routers, switches, etc.). They do so by monitoring the Console Port of your network center’s devices and sys- tems. Each attached component must have an EIA-232 compatible serial console port. The SCS160 and SC
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Product Overview 2.2 System Chassis Each SCS is housed in the rack-mountable metal chassis. Vents are found on both sides of the chassis, and 3-position rack mount brackets are provided and removable. The front panel of the SCS features a two-line backlit LCD display with push buttons. 2.2.1 SCS160 / SCS320 / SCS480 Each SCS chassis has rear-panel connections for 16, 32 or 48 serial ports, one Con- sole port, one Network port, and power. The SCS has a built-in universal AC power supply. A re
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SECURE CONSOLE SERVERS Connecting to the SCS 2.3 Connecting to the SCS All physical connections to the product are made to the rear panel using industry- standard cabling and connectors (purchased separately). All serial connections and net- work connections use conventional Category 5 cabling having RJ45 jacks. AC Power is connected using an IEC cordset, one of which is provided with each SCS system. Figure 2.2 Rear View of SCS320 Chassis, showing all Connections Serial Ports (32) 10/100 Bas
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Product Overview 2.3.2 IP Network The SCS network interface is an auto-sensing 10 BaseT/100 BaseTX network con- nector (equipped with an RJ45 jack with dual LEDs) for use with a conventional TCP/ IP network using standard RJ45 Category 5 cables. A default IP address is coded into the system (10.9.8.7), however the network settings should be configured by your sys- tem administrator to be suitable for your site’s requirements and unique equipment. The SCS products are preconfigured for ssh (sec
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SECURE CONSOLE SERVERS User Access Control 2.4 User Access Control Access to a Port is controlled on a per-user basis via a user profile, which is stored as a file on the local SCS. This profile is created by the root user using the command ‘adduser’. See Section 8.1.1, adduser, on page 68. 2.4.1 User Sessions Each SCS supports up to 250 simultaneous user sessions. This is possible since a user can generate multiple sessions. This number of sessions is perceived to be far greater than would
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Product Overview For Your Notes SCS160 / SCS320 / SCS480 Page 20 www.thinklogical.com SCS160R / SCS320R