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Using ssh chilkat 9.5.0.69 .net (Server is openSSH 3.5)
In a 2 node network, trying to connect and send commands, but OpenSessionChannel hangs and never exit. Putty can connect to the server without any problem. We manage multiple servers having the same openSSH version and configuration that we cannot change, so we wonder how to solve this.

Thanks

DebugLogFile with verbose logging and ReadTimeoutMs = 10 seconds:

Connect_Ssh:
    DllDate: Aug 30 2017
    ChilkatVersion: 9.5.0.69
    UnlockPrefix: LOCALPSSH
    Architecture: Little Endian; 32-bit
    Language: .NET 2.0
    VerboseLogging: 1
    connectInner:
        hostname: x.y.z.1
        port: 22
        preferRsaHostKeyAlgorithm: 1
        sshConnect:
            connectSocket:
                domainOrIpAddress: x.y.z.1
                port: 22
                connectTimeoutMs: 30000
                connect_ipv6_or_ipv4:
                    This is an IPV4 numeric address.
                    Domain to IP address resolution not needed.
                    getAddressInfo:
                        (leaveContext)
                    findIpAddrInfo:
                        (leaveContext)
                    connecting to IPV4 address...
                    ipAddress: x.y.z.1
                    createSocket:
                        Setting SO_SNDBUF size
                        sendBufSize: 262144
                        Setting SO_RCVBUF size
                        recvBufSize: 4194304
                        (leaveContext)
                    connect:
                        Waiting for the connect to complete...
                        ck_getsockname_ipv4:
                            (leaveContext)
                        myIP: x.y.z.2
                        myPort: 49817
                        socket connect successful.
                        (leaveContext 16ms)
                    (leaveContext 31ms)
                (leaveContext 47ms)
            Established TCP/IP connection with SSH server
            Turning on TCP_NODELAY.
            (leaveContext 47ms)
        sshSetupConnection:
            clientIdentifier: SSH-2.0-PuTTY_Release_0.69
            Sending client identifier...
            Done sending client identifier.
            Reading server version...
            initialDataFromSshServer: SSH-1.99-OpenSSH_3.5p1

serverVersion: SSH-1.99-OpenSSH_3.5p1
            build_kexInit:
                preferRsaHostKeyAlgorithm: 1
                (leaveContext)
            KeyExchangeAlgs:
                algorithm: diffie-hellman-group-exchange-sha1
                algorithm: diffie-hellman-group1-sha1
                (leaveContext)
            HostKeyAlgs:
                algorithm: ssh-rsa
                algorithm: ssh-dss
                (leaveContext)
            EncCS:
                algorithm: aes128-cbc
                algorithm: 3des-cbc
                algorithm: blowfish-cbc
                algorithm: cast128-cbc
                algorithm: arcfour
                algorithm: aes192-cbc
                algorithm: aes256-cbc
                algorithm: rijndael-cbc@lysator.liu.se
                (leaveContext)
            EncSC:
                algorithm: aes128-cbc
                algorithm: 3des-cbc
                algorithm: blowfish-cbc
                algorithm: cast128-cbc
                algorithm: arcfour
                algorithm: aes192-cbc
                algorithm: aes256-cbc
                algorithm: rijndael-cbc@lysator.liu.se
                (leaveContext 16ms)
            MacCS:
                algorithm: hmac-md5
                algorithm: hmac-sha1
                algorithm: hmac-ripemd160
                algorithm: hmac-ripemd160@openssh.com
                algorithm: hmac-sha1-96
                algorithm: hmac-md5-96
                (leaveContext 15ms)
            MacSC:
                algorithm: hmac-md5
                algorithm: hmac-sha1
                algorithm: hmac-ripemd160
                algorithm: hmac-ripemd160@openssh.com
                algorithm: hmac-sha1-96
                algorithm: hmac-md5-96
                (leaveContext)
            CompCS:
                algorithm: none
                algorithm: zlib
                (leaveContext)
            CompSC:
                algorithm: none
                algorithm: zlib
                (leaveContext)
            LangCS:
                (leaveContext)
            LangSC:
                (leaveContext)
            ChosenIncomingEncryption: aes128-cbc
            ChosenOutgoingEncryptoin: aes128-cbc
            ChosenIncomingMac: hmac-sha1
            ChosenOutgoingMac: hmac-sha1
            ChosenIncomingCompression: zlib
            ChosenOutgoingCompression: zlib
            ChosenKexAlgorithm: diffie-hellman-group-exchange-sha1
            choose_hostkey_algorithm:
                (leaveContext)
            ChosenHostKeyAlgorithm: ssh-rsa
            numBits: 128
            pbits: 1024
            Using GEX Group.
            Sending KEX_DH_GEX_REQUEST...
            pbits: 1024
            Received GEX Group.
            sendDhInit:
                create_E:
                    (leaveContext 31ms)
                Sent: SSH2_MSG_KEX_DH_GEX_INIT
                (leaveContext 31ms)
            computeExchangeHash:
                dhReplyMsgType: 33
                serverVersion: [SSH-1.99-OpenSSH_3.5p1]
                Using SHA-1 for Key Exchange Hash
                (leaveContext)
            verifyHostKey:
                rsaHostKeyVerify:
                    alg: ssh-rsa
                    hostKeyNumBits: 1024
                    verifyHashSsh:
                        Pkcs1_5_decode:
                            (leaveContext)
                        (leaveContext)
                    (leaveContext)
                RSA host key signature verification success.
                (leaveContext 16ms)
            Sending newkeys to server...
            Expecting newkeys from server...
            SSH Key Exchange Success.
            installNewKeys:
                m_isRekey: 0
                Outgoing compression is now zlib.
                Incoming compression is now zlib.
                Outgoing encryption is now AES 128 CBC
                initCrypt_aes2:
                    (leaveContext)
                initCrypt_aes2:
                    (leaveContext 15ms)
                (leaveContext 15ms)
            (leaveContext 265ms)
        Turning on TCP_NODELAY.
        socketOptions:
            SO_SNDBUF: 262144
            SO_RCVBUF: 4194304
            TCP_NODELAY: 1
            SO_KEEPALIVE: 0
            (leaveContext)
        (leaveContext 328ms)
    Success.
    (leaveContext 343ms)
AuthenticatePw:
    DllDate: Aug 30 2017
    ChilkatVersion: 9.5.0.69
    UnlockPrefix: LOCALPSSH
    Architecture: Little Endian; 32-bit
    Language: .NET 2.0
    VerboseLogging: 1
    SshVersion: SSH-1.99-OpenSSH_3.5p1
    login: [root]
    sshAuthenticatePw:
        requestUserAuthService:
            sendServiceRequest:
                svcName: ssh-userauth
                SentServiceReq: ssh-userauth
                (leaveContext 16ms)
            ssh-userauth service accepted.
            (leaveContext 16ms)
        sendUserAuthQuery:
            (leaveContext)
        AuthMethods: publickey,password,keyboard-interactive
        passwordAuth:
            Sent login/password
            Password authentication successful.
            (leaveContext 16ms)
        (leaveContext 32ms)
    Success.
    (leaveContext 47ms)
SendIgnore:
    DllDate: Aug 30 2017
    ChilkatVersion: 9.5.0.69
    UnlockPrefix: LOCALPSSH
    Architecture: Little Endian; 32-bit
    Language: .NET 2.0
    VerboseLogging: 1
    SshVersion: SSH-1.99-OpenSSH_3.5p1
    Success.
    (leaveContext 15ms)
OpenSessionChannel:
    DllDate: Aug 30 2017
    ChilkatVersion: 9.5.0.69
    UnlockPrefix: LOCALPSSH
    Architecture: Little Endian; 32-bit
    Language: .NET 2.0
    VerboseLogging: 1
    openSessionChannel:
        sshTransportOpenChannel:
            channelType: session
            clientChannel: 100
            clientInitialWindowSize: 2097152
            clientMaxPacketSize: 8192
            Sent open channel request
            Error reading channel response.
            (leaveContext 10312ms)
        (leaveContext 10312ms)
    retval: -1
    (leaveContext 10328ms)

asked Sep 20 at 06:18

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localp
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Asked: Sep 20 at 06:18

Seen: 147 times

Last updated: Sep 20 at 06:18

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