Hi, everyone.
I'm having a bit of an issue... I cannot connect to my company's VPN with my iOS devices and macOS system. We use L2TP/IPSec.
I told Apple, and received this response:
Hello. We have upgraded the proposed ciphers in L2TP IPsec VPN to also propose SHA-256 for the Child SA in IPsec. The issue seems to be that the server is accepting SHA-256 cipher for the child but maybe dropping the ESP encrypted packets with SHA-256 HMAC. This maybe because the server is performing a SHA-256 HMAC with 96 bits output instead of the standard expected 128 bits. Switching the SHA-256 HMAC output from 96 to 128 bits on the server should fix this issue Thanks, --Dan
How do I go upon changing this in UTM 9? I am the systems administrator, but I have never had to deal with this before.
I appreciate your assistance.
Ted
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