Difference IPSEC security protocol that AH AH and ESP can achieve data encryption, data validation to support a wider range of ESP?
A. True
B. False
After using the vpn client user Wang l2tp vpn dial from outside the network normally get the address and found able to access all the resources within the network, but it cannot open the page on the internet, possible reasons for the?
A. vpn device software version is incorrect
B. vpn client software version is incorrect
C. Misconfigured firewall l2tp
D. After the dial-in l2tp vpn, default route points to the local computer dial-up access to the address
In tunnel mode, AH security protocol, which of the following new IP packet header fields without data integrity check?
A. TTL
B. Source IP address
C. Destination IP address
D. The source IP address and destination IP address
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