Benutzeranleitung / Produktwartung STM150EW3-100NAS des Produzenten NETGEAR
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March 2009 202-10414-02 v1.1 NETGEAR , Inc. 350 East Plumeria Drive San Jose, CA 95134 USA ProSecure W eb/Email Security Threat Management Appliance STM150 Reference Manual.
ii v1.1, March 2009 T rademarks NETGEAR and the NETGEA R logo are registered trademarks and ProS ecure is a trademark of NETGEAR, Inc. Microsoft, W indows, and Windows NT ar e registered trademarks of Microsof t Corporation. Other brand and product names are registered trademarks or trademarks of their respective holder s.
v1.1, March 2009 iii V oluntary Control Council for Interference (VCCI) St atement This equipment is in the second category (information equipment to be used in a residential area or an adjacent area .
v1.1, March 2009 iv Open SSL Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. Redistribution and use in source and binary forms, with or withou t modification, are permitted provided that the follo wing conditions * are met: 1.
v1.1, March 2009 v Product and Publication Det ails PPP Copyright (c) 1989 Carnegie Mellon University . All rights reserved. Redistribution and use in source and binary forms are permitted provide d t.
v1.1, March 2009 vi.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual vii v1.1, March 2009 Content s About This Manual Conventions, Formats, and Scope .................. ................ ................... ................ .............. xi Revision History .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual viii v1.1, March 2009 T esting HTTP Scanning .. ................ ................... ................. ................... ................ 2-10 What to Do Next ....
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual ix v1.1, March 2009 Configuring Web Malware Scans .... ............. ... ................ ................. ............ .......... 4-13 Configuring Web Content Filtering .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual x v1.1, March 2009.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual xi v1.1, March 2009 About This Manual The NETGEAR ® Pr oSecur e™ W eb/Email Security Thr eat Management Appliance STM 150 Refer ence Manual describes how to configure and troubl eshoot a ProSecure W eb/Email Security Threat Management Appliance STM15 0.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual xii v1.1, March 2009 • Scope. This manual is written for the threat ma nagement appliance according to these spe.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Introduction 1-1 v1.1, March 2009 Chapter 1 Introduction This chapter provides an overview of the feat ures and capabilities of the ProSecure W eb/Email Security Threat Managemen t Appliance STM150.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 1-2 Introduction v1.1, March 2009 About Stream Scanning Stream scanning is based on the simple observatio n that network traffic travels in streams. The STM150 scan engine starts receiving and analyzing traffic as the stream enters the network.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Introduction 1-3 v1.1, March 2009 What Can Y ou Do with an STM150? The STM150 comb ines robust protection against malware with ease-of-use and advanced reporting and notification features to help you de ploy an d manage the device with minimal effort.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 1-4 Introduction v1.1, March 2009 Service Registration Card with License Key(s) Be sure to store the license key card that came wi th your unit in a secure location.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Introduction 1-5 v1.1, March 2009 2. Power on test status 3. USB ports 4. Uplink switched N-way automatic speed ne gotiating auto MDI/MDIX Ethernet port 5. Downlink Ethernet ports Four switched N-way automatic speed nego tiating auto MDI/MDIX Ethernet ports.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 1-6 Introduction v1.1, March 2009 Default IP Address, Login Name, and Password Location Check the label on the bot.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Introduction 1-7 v1.1, March 2009 Using the Rack Mounting Kit Use the provided mounting kit fo r the STM150 to install the app liance to a rack. The mounting brackets supplied with the STM150 are usually in stalled before the unit is shipped out.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 1-8 Introduction v1.1, March 2009.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Provisioning Threat Manageme nt Services 2-1 v1.1, March 2009 Chapter 2 Provisioning Threat Management Services Provisioning the STM150 ProSe cure W eb/Email Secu rity Threat Management Appliance STM150 in your network is described in this chapter .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 2-2 Provisioning Threa t Management Services v1.1, March 2009 Gateway Deployment In a typical gateway deploy ment .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Provisioning Threat Manageme nt Services 2-3 v1.1, March 2009 Server Group In a server group deployment, one STM150 applia nce is installed at the gateway and another in front of the serv er group.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 2-4 Provisioning Threa t Management Services v1.1, March 2009 Segmented LAN Deployment . In a segmented LAN deployment, one STM150 app liance is installed in front of each network segment.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Provisioning Threat Manageme nt Services 2-5 v1.1, March 2009 Logging In to the STM150 Follow these steps to lo g in to the STM150. 1. Use a browser to connect to https://192.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 2-6 Provisioning Threa t Management Services v1.1, March 2009 3. Click Login. The default Monitoring > Security page displays. The Support tab on the main menu contains links to the onl ine NETGEAR STM150 product documentation and support knowledgebase.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Provisioning Threat Manageme nt Services 2-7 v1.1, March 2009 Registering the STM150 T o re ceive threat management com ponent updates and technical supp ort, you need to register your STM150 appliance.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 2-8 Provisioning Threa t Management Services v1.1, March 2009 Use the Setup Wizard to Complete the Configuration Follow the wizard prompts to configure these settings: • Network settings - If these were set earlier , skip this page or update these as needed.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Provisioning Threat Manageme nt Services 2-9 v1.1, March 2009 Email Notification Server On this wizard page, type the email address that yo u want to appear in the notification email as sender .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 2-10 Provisioning Threat Manageme nt Services v1.1, March 2009 T esting Connectivity Do the following to verify that netw ork traf fic can pass through the STM150: • Ping an Internet URL.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-1 v1.1, March 2009 Chapter 3 Performing System Management T asks This chapter provides information on other t asks that you can perfo rm after setting up and configuring the STM150.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-2 Perfo rm in g Syst em Ma na g em e nt Task s v1.1, March 2009 For other devices connected to the STM150 (such as a firewall or a switc h), you now have an option to manually change the duplex settings.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-3 v1.1, March 2009 Enabling Session Limit s and Timeout s Y ou enable session limits and tim eouts on the Global Settings > Network Setting > Session Limit screen.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-4 Perfo rm in g Syst em Ma na g em e nt Task s v1.1, March 2009 Scanning Exclusions T o enhance system performance, you may add trus ted hosts or connections to this list.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-5 v1.1, March 2009 Setting the System T ime Setting the correct system time and time zone ensures that the date and time recorded in the STM150 logs are accurate.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-6 Perfo rm in g Syst em Ma na g em e nt Task s v1.1, March 2009 S pecifying the Notification Server For the STM150 to send out alerts, re ports, and logs via email, an SMTP server must be specified on the Global Settings > Em ail Notification Server page.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-7 v1.1, March 2009 5. In Send notification to , type up to the email addresses to which you want to send alerts (for example, admin@company.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-8 Perfo rm in g Syst em Ma na g em e nt Task s v1.1, March 2009 T o enable system administrator email alert s 1. On the menu, go to Monitoring > Logs & Reports > Alerts .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-9 v1.1, March 2009 Configuring SNMP Settings Simple Network Management Protocol .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-10 Performing System Ma na g em e nt T ask s v1.1, March 2009 •I n Contact (optional), type the name o f the person or department responsibl e for managing the STM150 a ppliance.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-1 1 v1.1, March 2009 Backing Up and Rest oring Configurations The STM150 provide.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-12 Performing System Ma na g em e nt T ask s v1.1, March 2009 T o Back Up the STM150 Settings 1. On the menu , click Administration > Settings Backup & Restore .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-1 3 v1.1, March 2009 Resetting to Factory Default s Y ou can use the default button on the Backup & Rest ore Settings page to revert to factory default settings, or you can use the reset button on the back of t he unit.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-14 Performing System Ma na g em e nt T ask s v1.1, March 2009 Enabling Remote Management T o enable remote management, go to Administration > Remote Management .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-1 5 v1.1, March 2009 Administering Sof tware Up dates The STM150 has four main comp on ents – pattern f ile, scan engine, OS, and software.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-16 Performing System Ma na g em e nt T ask s v1.1, March 2009 T o configure scheduled up dates 1. On the menu, go to Administration > Software Update . 2. In Update Fr om , select an update source.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-1 7 v1.1, March 2009 Applying a Sof tware Up date that Requires a Re boot If a downloaded update requires a reboot, you will be prompted to perfor m the update upon login to the system.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-18 Performing System Ma na g em e nt T ask s v1.1, March 2009 Administering Admin Logi n T imeout s and Passwords The STM150 specifies one Administrator accoun t (Admin) and one guest account.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Performing System Man agement Tasks 3-1 9 v1.1, March 2009 3. Enter the new password under the New Password field. 4. T o confirm, enter the new password again under the Retype New Password field.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 3-20 Performing System Ma na g em e nt T ask s v1.1, March 2009.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-1 v1.1, March 2009 Chapter 4 Customizing Scans This chapter provides information on how to op timize the ProSecure W eb/Email Security Threat Management Appliance STM150 scan settings .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-2 Customizing Scans v1.1, March 2009 Customizing Email Scanning Settings The Email Security pages allow you to enable an d disable scanning of supported netwo rk services (protocols), set the scan actions, and configure the maximum file size to scan.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-3 v1.1, March 2009 End User Email No tification Settings T o configure the notification options for email scan, go to Email Security > Anti-V irus > Notification Settings on th e menu.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-4 Customizing Scans v1.1, March 2009 Select the I nsert W arning into Email Subject SMTP check box, and then type a message for Malware found and No malwar e found .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-5 v1.1, March 2009 Email Content Filtering The STM150 provides several options for filtering unwanted content in the email. Y ou can filter mails based on key words in the subject, file type , and file name.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-6 Customizing Scans v1.1, March 2009 Filter by Subject Keywo rds Enter the keyw ords to filter when they appear in the emai l subject line. Use co mmas to separate different keywords.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-7 v1.1, March 2009 For IMAP and POP3, select either Block attachment & log or No Log . Protecting Against Email Sp am The STM150 integrates multiple anti-spam techno logies to provide co mprehensive protection against unwanted mail.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-8 Customizing Scans v1.1, March 2009 T o define the sender whitelist.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-9 v1.1, March 2009 T o define the recipient whitelist. On th e menu, go to Email Security >Anti-Spam > Whitelist and Blacklist . 1. Under the Whitelist column, enter the domain name, or email address that you want set as a trusted source.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-10 Customizing Scans v1.1, March 2009 T o add a new provider . 1. In the Add Real-time Blacklist section, type the name of the provider under the Provider column. 2.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-11 v1.1, March 2009 If tag spam email is selected, the STM150 will append a spam tag (customizable) in the mail subject. T o configure distributed spam analysis.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-12 Customizing Scans v1.1, March 2009 Customizing Web Scanning Settings The STM150 also scans W eb or HTTP traf fic fo r malicious content and performs the specified action, including Delete File , Clean, Audit or S treaming.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-13 v1.1, March 2009 Configuring Web Malware Scans If you enabled HTTP or HTTPS scan in W eb Security > Policy you can specify what type of action to take against detected malware.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-14 Customizing Scans v1.1, March 2009 T o replace the original page with warning te xt. check the Replace Page with W arning T ext: checkbox. Customize the wa rning text.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-15 v1.1, March 2009 • Record HTTP traf fic log: If you wish to log a ll scanned HTTP traf fic, check the Record HTTP T raffic Log box. Keep in mind that this will slow down performance.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-16 Customizing Scans v1.1, March 2009 blocked URL and wh ich category it was in. Y ou can prev iew the warning page by pressing Preview . The maximum size for the warning text message is 3 Kilobytes.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-17 v1.1, March 2009 Configuring Web URL Filtering T o configure W eb filtering, go to W eb Security > HTTP and HTTPS > URL Filtering . White List Select the Enable check box if you want the STM150 to bypass the sca nning of a URL listed here.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-18 Customizing Scans v1.1, March 2009 In addition to manually ente ring URLs one at a time, you may import and export the list. Note that the file to be imported must be in .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-19 v1.1, March 2009 HTTPS Scan Settings T o configure the HTTPS scan settings, go to W eb Security > HTTPS Scan > Settings .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-20 Customizing Scans v1.1, March 2009 required, the connection will be rejected with an alert message in the browser window . T o allow access, select the Allow the STM to present the website to the client.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-21 v1.1, March 2009 Due to the nature of HTTPS scanni ng and how t he certificates are handled, the end user will see Security Alerts in their web browser as shown in the following figure.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-22 Customizing Scans v1.1, March 2009 However , certain HTTPS servers do require clie nt certificate authentication for every HTTPS request. By the design of SSL, th e client needs to present its own certificate rather than using the one from the STM150.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-23 v1.1, March 2009 Before enabling HTTPS scanning, you may specify which certificate to be used by the STM150 to handle HTTPS requests. By default, a certificate is sued by NETGEAR is used.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-24 Customizing Scans v1.1, March 2009 T rusted Hosts T o iden tify trusted hosts, go to W eb Security > HTTP .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Customizing Scans 4-25 v1.1, March 2009 2. Enter the host name (not the URL) of the server into the Add Host box, and then click Add . Click Apply . T o delete host s from the Host Access Control List 1.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 4-26 Customizing Scans v1.1, March 2009 If you enabled FTP scan in W eb Security > Policy > FTP you can specify what type of action to take agains t detected malware as we ll as which file types to block on FTP .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Monitoring System Perfo rmance 5-1 v1.1, March 2009 Chapter 5 Monitoring System Performance The STM150 provides online.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 5-2 Monitoring Sys tem Performa nce v1.1, March 2009 V iewing the System St atus T o view system status information, click Monitoring > System S tatus .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Monitoring System Perfo rmance 5-3 v1.1, March 2009 Using S tatistics and W eb Usage Data T o view system statistics, click Monitoring > St a t i s t i c s .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 5-4 Monitoring Sys tem Performa nce v1.1, March 2009 T o view W eb usage statistics, click Monitori ng > St a t i s t i c s > We b U s a g e .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Monitoring System Perfo rmance 5-5 v1.1, March 2009 Monitoring Security T o view a summary of malware incidents on the network, click Monitoring > Security .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 5-6 Monitoring Sys tem Performa nce v1.1, March 2009 Running Diagnostics The STM150 provides diagnostic tools that help you analyze traf fic conditio ns and the status of the network.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Monitoring System Perfo rmance 5-7 v1.1, March 2009 Use PING to check the connection between the ST M150 and a specific IP address. Enter the IP address or host name, and then click PING .
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 5-8 Monitoring Sys tem Performa nce v1.1, March 2009 Generate Network St atistics Report The Network S tatistic Report provides the user a detailed overview of t he network utilization in the STM150 managed network environment.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Monitoring System Perfo rmance 5-9 v1.1, March 2009 Querying Logs System logs have their own pa ge on the W eb interfa ce. Use th e following procedure to generate the other log types.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 5-10 Monitoring System Perfo rmance v1.1, March 2009 5. In Select logs to send , select the check boxes for the log ty pes that you want the STM150 to send via email.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Monitoring System Performance 5-11 v1.1, March 2009 This automated log purging takes the burden of managing the size of the STM150 logs of f your shoulders and ensures that the latest ma lware incidents and traffic activities are always recorded.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 5-12 Monitoring System Perfo rmance v1.1, March 2009 T o delete saved reports. Click the Delete button next to a pre viously saved report to delete it from the STM150.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Monitoring System Performance 5-13 v1.1, March 2009 If NETGEAR support cannot access your the STM150 remotely , you may be asked to save a log file to your computer and then email it to NETGEAR for analysis.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual 5-14 Monitoring System Perfo rmance v1.1, March 2009 5. Browse to the location where you saved the hot fix file, and then select it. 6. Click Open. 7. Click Apply to install the hot fix.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Default Settings and Technical Specifications A-1 v1.1, March 2009 Appendix A Default Settings and T echnical S pecifications Y ou can use the reset button located on the rear pane l to reset all settings to their factory defaults.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual A-2 Default Settings and Technical Specifications v1.1, March 2009 The STM150 specifications are listed in the table below .
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Related Documents B-1 v1.1, March 2009 Appendix B Related Document s This appendix provides links to reference documents yo u c an use to gain a more complete understanding of the technolog ies used in your NETGEAR product.
ProSecure Web/Email Secu rity Threat Man agement Ap pliance STM1 50 Referen ce Manual B-2 Related Documents v1.1, March 2009.
ProSecure Web/Email Security Thr eat Management Appliance STM150 Reference Manual Index-1 v1.1, March 2009 Index D default settings 4-1 deployment rack mounting 1-7 testing connectivity 2-10 testing H.
Ein wichtiger Punkt beim Kauf des Geräts NETGEAR STM150EW3-100NAS (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie NETGEAR STM150EW3-100NAS noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für NETGEAR STM150EW3-100NAS - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von NETGEAR STM150EW3-100NAS reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über NETGEAR STM150EW3-100NAS erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon NETGEAR STM150EW3-100NAS besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von NETGEAR STM150EW3-100NAS verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit NETGEAR STM150EW3-100NAS. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei NETGEAR STM150EW3-100NAS gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
