IPSEC
IPSEC: with IPsec you can provide privacy integrity and authenticity for network traffic in the following situations 1) End t end security for IP unicast traffic using IPsec trasport mode
Tag: IPSEC
ESP
ESP can operate in either tunnel or transport mode ESP uses IP portocol 50
AH transport mode packet structure
|orgin IP Header|AH|IP payload|
The importance of NTP in a PKI enviroment
NTP is an importance component when implementing IPSEC VPN in a PKI enviroment, becuae it ensures the router has the correct time when checking validity from the remote peers.
Network Trace of a ping in IPSEC tunnel
If you perform a network trace of a ping going through an IPSec/3-DES tunnel, it would be true with respect to the appearance of a tunneled/encrypted packets, that the same key
IPSEC PORTS
The following ip protocols and ports are commonly used in Ipsec portocols TCP ports 50, 51 UDP ports 500 and 4500