![]() ![]() Why did I do all of this? My Android tablet using IPSec-Xauth-PSK can not authenticate:ġ5:03:36 ipsec,debug Attribute XAUTH_USER_NAME len 4ġ5:03:36 ipsec,debug Attribute XAUTH_USER_PASSWORD len 5ġ5:03:36 ipsec,info Xauth login failed for user: test Step 12: Click on and add the Cookie and Encryption key without blanks inbetween, trailing or leading ![]() Step 11: Right-Click on an ISAKMP-Packet -> Protocol Settings -> IKEv1 Decryption Table Step 10: Open your Dump file "isakmp.pcap" in Wireshark (I used the latest version 2.2.3) Step 9: Search for Encryption Key (here my example)ġ5:03:36 ipsec,debug final encryption key computed:ġ5:03:36 ipsec,debug fc9c635a a7a316d3 7442463e d2e581ea 1263b66b 94ada5ec Now the tricky part, find the Decryption Variables which we need for Wireshark Step 7: Open log.txt with proper Text-Editor (e.g. Step 6: Download "isakmp.pcap" and "log.txt" from Files Step 5: Copy Mikrotik-Log to a file: /log print file=log Step 4: Start Packet-Sniffer, Start establishing IPSec-Tunnel, Stop Sniffer Step 3: Configure the Packet Sniffer to capture "UDP 500", Output-File: "isakmp.pcap" Step 2: Set your IPSec-Tunnel to use 3DES encryption (only 3DES can be decrypted by Wireshark) ![]() Step 1: enable IPSec Logging (System -> Logging -> IPSec to Memory) ![]()
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