For decades, private traffic hid inside a special protocol. IPsec, OpenVPN, and WireGuard still do that: they punch an encrypted L2/L3 tunnel across the public path, then stuff TCP, UDP, SCTP, or RTP inside it. Middleboxes learned the silhouette. ESP is protocol 50. IKE is UDP/500. If those ports are blocked, the VPN is gone. … Continue reading IPSec vs MASQUE
Tag: VPN
VPN ( Virtual Public Network ) over SIP
VOIP across an SSL-based VPN is achieved in good quality by encapsulating the UDP VOIP packets ( SIP and RTP ) in TCP/IP . Data used for defining a VPN like its Groups, its Members and the associated profiles is organized hierarchically.It includes information like who is the operator, subscriber of VPN, group ID and member ID.
Telecom R & D 