Which port is used in IPSec phase 1 & 2 in IKEv1 VPN ?

What ports used in IPSEC IKEv1 VPN

UDP 500- IPSEC phase 1 (IKE)
UDP 4500 -if there is nat device in between IPSEC  (NAT-T Nat traversal)
IP Protocol 50 – IPSEC phase 2 protocol ( AH)
IP Protocol 51 – IPSEC phase 2 protocol (ESP)

 

Source: User submitted post

Thanks Laxman for submitting post