Deployment on Red Hat Enterprise Linux fails with Unexpected TELNET prompt
Article ID: 278375
Updated On:
Products
Issue/Introduction
When using deployment wizard to install agent remotely to Red Hat Enterprise Linux release 8.1 (or higher version like 8.2, 8.3 etc...), it fails with error "Unexpected TELNET prompt."
- In TRC_CF_DMDEPLOY*.log we could see this error :
DmDeploy |cssh2transport.cpp |002945|DETAIL | CAPKI LibInit Mode <0>
DmDeploy |cssh2transport.cpp |000767|DETAIL | Start generating dh parameters.
DmDeploy |cssh2transport.cpp |000794|DETAIL | dh parameters length 268.
DmDeploy |cssh2transport.cpp |000824|DETAIL | Finished generating dh parameters - pubval length 256.
DmDeploy |cssh2transport.cpp |000828|DETAIL | m_pCKexDHInitMsg->GetPayloadLen() 262
DmDeploy |cssh2msgkexdhreply.c|000200|DETAIL | Cssh2msgkexdhreply::Create1 : failed calling CreateFromSSHData(3)
DmDeploy |cssh2transport.cpp |001793|DETAIL | received SSH_MSG_KEXDH_REPLY - payload length<1076>
DmDeploy |cssh2transport.cpp |001772|DETAIL | failed calling PerformKeyExchange()
DmDeploy |cssh2transport.cpp |000424|DETAIL | failed calling ReceiveBinaryPacket()
DmDeploy |ssh2.cpp |000097|DETAIL | Failed to connect to SSH2 Server. - -1
DmDeploy |cdmdeployer.cpp |004751|DETAIL | Failed to push primer using SSH/SFTP method.
Environment
Cause
- In rhel 8.0, ssh has following version : OpenSSH_7.8p1, OpenSSL 1.1.1 FIPS 11 Sep 2018
- In rhel 8.1, ssh has following version : OpenSSH_8.0p1, OpenSSL 1.1.1c FIPS 28 May 2019
Format of messages sent by SSH server has changed in version 8.0
Resolution
01/22/2024 486,904 DMDeploy.exe 14.5.0.601
This fix has been built for 14.5 CU6 but it could also be installed on Domain Manager 14.5, 14.5 CU1, 14.5 CU2, 14.5 CU3, 14.5 CU4, 14.5 CU5, 14.5 CU6
Additional Information
To install the fix following steps could be used on the Domain Manager :
1- Stop dmdeploy
caf stop dmdeploy
2- Install the fix T533385
3- Start dmdeploy
caf start dmdeploy
Feedback
