The 27 things every router and WiFi user should know
DrayTek has produced a free guide "Router Best Practice" which contains essential information for anyone installing, configuring or using a broadband router or wireless LAN.
This is the introduction web page - Security & Router Best Practice White Paper
This is the download link for the pdf - Security White Paper : Router Operation – Best Practice
Quote If you own, install or operate a broadband router or any kind of wireless LAN, you and your users are a target. This white paper summarises the most important practices that you need to adopt to reduce your chances of becoming a victim and seeing your company or private data being compromised,regardless of your chosen equipment vendor.
This is the introduction web page - Security & Router Best Practice White Paper
This is the download link for the pdf - Security White Paper : Router Operation – Best Practice
Some good advice in there, thanks for posting 