New browser feature will be blocking Slipstream NAT bypass attacks

NAT SlipStreaming is an attack method, that requires the victims to visit the malicious website, and abuses certain NAT devices scanning port 5060 to create port forwarding rules when detecting maliciously-crafted HTTP requests camouflaged as valid SIP requests. To stop those attacks from occurring, web browser vendors are planning to block the 5060 and 5061 TCP ports used in this attack, adding them to the restricted list. Read more...