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IPsec isn't UDP though. It use UDP for the key exchange, but the actual IPsec traffic uses ESP or AH, which are IP protocols at the same level as TCP, UDP, or I
by xav0989 6y ago
IPsec isn't UDP though. It use UDP for the key exchange, but the actual IPsec traffic uses ESP or AH, which are IP protocols at the same level as TCP, UDP, or ICMP.
(ignoring IPSec NAT-T)
- lxgr 6y agoTrue, but NAT-T is almost a given if one of the endpoints is a laptop or mobile device these days. Also, UDP and ESP can almost be used interchangeably for this discussion (flow control, congestion control, segmentation etc. or a lack thereof).