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'Session terminated by server' issue (openconnect to Cisco AnyConnect)

cherry380
Level 1
Level 1

Hello,

 

I have faced the following issue -- server terminates session when I try to use 'openconnect':

 

DTLS option X-DTLS-Session-ID : 3AF18EB35D28799C39CE8821864AF61B8E6DFF3B566667619588BBDD72319C19
DTLS option X-DTLS-Port : 443
DTLS option X-DTLS-Keepalive : 20
DTLS option X-DTLS-DPD : 30
DTLS option X-DTLS-MTU : 1200
DTLS option X-DTLS-CipherSuite : AES256-SHA
DTLS option X-DTLS-Content-Encoding : lzs
DTLS initialised. DPD 30, Keepalive 20
Connected as xx.xx.xx.xx, using SSL, with DTLS + LZS in progress
Established DTLS connection (using GnuTLS). Ciphersuite (DTLS0.9)-(RSA)-(AES-256-CBC)-(SHA1).
DTLS connection compression using LZS.
Initiating MTU detection (min=576, max=1200)
No change in MTU after detection (was 1200)
Send CSTP Keepalive
Send DTLS DPD
Send CSTP DPD
Got DTLS DPD response
Got CSTP DPD response
Send CSTP Keepalive
Send DTLS DPD
Send CSTP DPD
Got DTLS DPD response
Got CSTP DPD response
Send CSTP Keepalive
Received server disconnect: b0 'Max time exceeded'
Send BYE packet: Server request
Session terminated by server; exiting.

BTW, I can establish connection with 'Cisco AnyConnect Secure Mobility Client'.

Could you help me to find out what is the cause of session termination?

 

Regards,

Serhiy.

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