Which FW protects my laptop from being sniffed datas without using VPN?In a local area network (LAN) or else a Wifi Hotspot, I do not desire people be able to sniff my data similar to immediate messaging, web page I visit. As a result which firewall be able to protect me? I do not desire on the way to make use of VPN. Thanks a lot for any suggestion regarding to this issue. Your suggestion would be appreciated.