CS591-Fall 10 Clonts 1 Wireless Network Security Michael Clonts

2 Agenda Will discuss: – Home wireless configuration – Public hotspot security Will not discuss: – Nuts and bolts of wireless security

3 Home Wireless You’ve bought a wireless router… now what?

4 Home Wireless – Basic Security Change administrator user/password Enable encryption – Use WPA2 if supported Change default SSID (your network “name”)

5 Home Wireless – Advanced Security Disable SSID broadcast Enable MAC address filtering Enable static IP addresses, not DHCP Position router to minimize signal broadcast outside of building

6 Home Wireless – Periodic Actions Review router logs Change passphrase used to generate keys

7 Home Wireless – Periodic Actions Check for firmware upgrades Disable during periods of non-use

8 Public Wireless Hotspots You’re at studying at Starbucks… how can you safely use their WiFi?

9 Public Wireless – Basic Security Enable local firewall Verify SSID name with establishment Disable “auto-connect to open network” feature Disable file sharing

10 Public Wireless – Encryption Options Use higher-layer encryption methods: – HTTPS for web data – SSH for console connections – SFTP for file transfers – VPN into a secure network Don’t sent sensitive data without these!

Questions? Any questions? CS591-Fall 05 Sonchar and Reese 11