Solved: JunosPulse : SSL or ESP transport - Pulse Secure
Select the Mode (Transport of Tunnel): Tunnel Mode: Encrypt the entire IP header of the original packet. IPSec wraps the EoGRE packet, encrypts it, adds a new set of IP headers (ESP header), and sends it across the VPN tunnel. Transport Mode (default): In Transport mode, only the payload and Encapsulating Security Payload (ESP) trailer is Layer 2 Tunneling Protocol - Wikipedia Establishment of Encapsulating Security Payload (ESP) communication in transport mode. The IP protocol number for ESP is 50 (compare TCP's 6 and UDP's 17). At this point, a secure channel has been established, but no tunneling is taking place. Negotiation and establishment of L2TP tunnel … Forouzan: MCQ in Security in the Internet: IPSec, SSL/TLS Dec 03, 2019
Transport mode Tunnel mode; Here end hosts do IPsec encapsulation of their own data; hence IPsec needs to implemented on each end-hosts: IPsec gateways provide service to other hosts in peer-to-peer tunnels; hence the end-hosts don’t need IPsec. Lower overhead than tunnel mode: More overhead required: No edits on IP header
Azure ExpressRoute private peering: Configure IPsec Tunnel mode protects the internal routing information by encrypting the IP header of the original packet. Tunnel mode is widely implemented between gateways in site-to-site VPN scenarios. Tunnel mode is in most of cases used for end-to-end encryption between hosts. Transport mode encrypts only the payload and ESP trailer; the IP header of the
IPsec - Wikipedia
AWS VPN FAQs – Amazon Web Services Establish IPsec Security Associations in Tunnel mode. Utilize the AES 128-bit or 256-bit encryption function. Utilize the SHA-1 or SHA-2 (256) hashing function. Utilize Diffie-Hellman (DH) Perfect Forward Secrecy in "Group 2" mode, or one of the additional DH groups we support. Perform packet fragmentation prior to encryption