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NetComm NB1300 Security Instructions
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NetComm NB1300 Security Instructions

NetComm NB1300 Security Instructions

Securing once connected adsl router / modem
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Download this manual See also: User Manual
Securing your NB1300 ADSL Router / Modem
Securing Your NB1300 - Once connected.
There are eleven areas that need your attention to secure your NB1300 from
unauthorised access - these areas or features are;
Physical Security
Admin Password
User Password
SNMP Community Strings (when SNMP is ava ilable in your firmware)
FTP server
HTTP Server
DMZ Host
Half Bridge mode
Port Forwarding
Dynamic Routing (RIP Configuration)
Telnet
The features are accessed via the menu item choices shown circled in the screen shot
below. Each item is either disabled or changed in it's appropriate page and as always
you must click the
Submit
all your changes you must then click the
commit your changes and reboot the NB1300.
Don't forget you can incorporate all of these settings into an Easy config profile for
easier deployment for endusers. See the section on Easy config at the end of the
document.
5/09/2003
}
These options are all found under 'Misc Configuration'
button at the bottom of the page. Once you have made
Save Setting and Reboot
Page 1 of 10
Document version 1.03
button to

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Summary of Contents for NetComm NB1300

  • Page 1 Securing your NB1300 ADSL Router / Modem Securing Your NB1300 - Once connected. There are eleven areas that need your attention to secure your NB1300 from unauthorised access - these areas or features are; Physical Security Admin Password User Password...
  • Page 2 Securing your NB1300 ADSL Router / Modem 5/09/2003 Document version 1.03 You may need to click here to display the advanced settings. Page 2 of 10...
  • Page 3 Note: Your Admin password can be deleted with physical access. 2. Administration Password – Your Admin Password gives you complete control over the NB1300 it should NEVER be left as default because it can allow access from a Web browser, FTP or Telnet service from both your LAN and the Internet.
  • Page 4 5 or 9. 5. FTP – The FTP server that is built into the NB1300 is not normally used by the average user and so it should be disabled. This will not affect any FTP services running through the NB1300 but it will prevent local and remote access to the FTP server of the NB1300.
  • Page 5 You could disable LAN access but this would prevent you from making further changes or viewing your routers status. Note: If you block yourself out of your NB1300 you will have to use the Reset button to return to factory defaults.
  • Page 6 IP address. This is most commonly used to allow Internet users to access a Web service on port 80 etc. To secure your NB1300 you should not have port forwards that are not being used (excluding the FTP dead-end port forwards suggested in point 5). Any...
  • Page 7 10. Dynamic Routing (RIP) – RIP is disabled by default, you would only enable RIP if you want your NB1300 to accept information from other LAN routers or if you want it to share it’s routing information with other router’s. As always the less information a ‘Hacker’...
  • Page 8 Port 23 – This is the standard telnet port and it allows full control of the NB1300 in the same way that logging in as ‘admin’ does via Web / HTTP. This port is already blocked in firmware releases that include Telnet.

  • Page 9: Other Security Measures

    Software. Easy config must have LAN FTP access to the unit to deploy your profile but it can be locked out by your profile. MAC Filters – The NB1300 also has a MAC filtering function, if you wish to restrict which Network Interface Cards (NICs) can use the NB1300 to connect to the internet.

  • Page 10: Resetting To Factory Defaults

    Resetting to factory defaults If you forget your passwords, lock out HTTP or FTP access or simply can’t remember what IP address you have set the NB1300 on you will probably need to perform a factory defaults reset. To perform a factory defaults reset you must have physical access to the unit then follow these steps;...