Google Chrome now blocks 7 additional ports to defend against NAT Slipstreaming vulnerability

Network Address Translation (NAT) is a feature, used to reduce the amount of public IP addresses and to increase security. The feature allows routers to track requests to the Internet from internal devices. Recently a new version of NAT Slipstreaming vulnerability has been disclosed. The vulnerability allows a website that hosts a malicious code to send specific request that bypasses the NAT firewall to access TCP/UDP port on the user's internal network. Google has stated that Chrome will block HTTP, HTTPS, and FTP access to 69, 137, 161, 1719, 1720, 1723, and 6566 TCP ports. Read more...