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Contents 
Introduction
D-Link
Dynalink
Netgear
Nortel
Linksys
Allied Telesyn
Specifications
How we tested
Sample scenario
Editor's choice
About RMIT |
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This company needs to install ADSL routers in its remote branches in order to share content with the head office.
Approximate budget: Under AU$1000
Requires: One simple remote office solution that includes the following features: firewall, VPN, Web filtering, bandwidth management, and a Web-based interface.
Best solution: Nortel Contivity 251
Filters
Because ADSL routers share a common telephone line with standard analog phones, you need to install a line filter and you are going to have to do this to each phone or phone device that shares the same line as the ADSL service. Anyone could install one of these filters but if you have more than four phones you will need to install a central filter which should be installed by a technician.
What these line filters do is cut out the high pitched noises the ADSL router makes. It also enables you to use your phone line to make standard phone calls.
Nmap v3.75 against the firewall from the outside WAN
| Router | Ports Detected | Name | Leak Test |
| Dlink | 23 | telnet | Fail |
| 80 | http | Pass | |
| 113 | auth | Pass | |
| 443 | https | Pass | |
| Dynalink | 80 | http | Fail |
| 443 | https | Pass | |
| Netgear | 21 | ftp | Fail |
| 22 | ssh | Pass | |
| 80 | http | Pass | |
| 256 | FW1-secureremote | Pass | |
| 443 | https | Pass | |
| 554 | rtsp | Pass | |
| 636 | ldapssl | Pass | |
| Nortel | 80 | http | Fail |
| 443 | https | Pass | |
| Linksys | Did Not Run | Fail | |
| Allied Telesyn | 80 | http | Fail |
| 113 | auth | Pass | |
| 443 | https | Pass |
