Hello,
I am trying to implement proxy interface for stream forwarding. My aim is running SFTP channel over an SSH gateway.
Using jsch-0.1.47.jar with the following code gets an error; com.jcraft.jsch.JSchException: channel is not opened.
My code is:
java -classpath jsch-0.1.47.jar;. StreamForwarding
INFO:Connecting to ssh-gateway port 22
INFO:Connection established
INFO:Remote version string: SSH-2.0-OpenSSH_4.2
INFO:Local version string: SSH-2.0-JSCH-0.1.47
INFO:CheckCiphers: aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-ctr,arcfour,arcfour128,arcfour256
INFO:aes256-ctr is not available.
INFO:aes192-ctr is not available.
INFO:aes256-cbc is not available.
INFO:aes192-cbc is not available.
INFO:arcfour256 is not available.
INFO:CheckKexes: diffie-hellman-group14-sha1
INFO:diffie-hellman-group14-sha1 is not available.
INFO:SSH_MSG_KEXINIT sent
INFO:SSH_MSG_KEXINIT received
INFO:kex: server: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
INFO:kex: server: ssh-rsa,ssh-dss
INFO:kex: server: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
INFO:kex: server: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
INFO:kex: server: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
INFO:kex: server: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
INFO:kex: server: none,zlib@openssh.com,zlib
INFO:kex: server: none,zlib@openssh.com,zlib
INFO:kex: server:
INFO:kex: server:
INFO:kex: client: diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha1
INFO:kex: client: ssh-rsa,ssh-dss
INFO:kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc
INFO:kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc
INFO:kex: client: hmac-md5,hmac-sha1,hmac-sha1-96,hmac-md5-96
INFO:kex: client: hmac-md5,hmac-sha1,hmac-sha1-96,hmac-md5-96
INFO:kex: client: none
INFO:kex: client: none
INFO:kex: client:
INFO:kex: client:
INFO:kex: server->client aes128-ctr hmac-md5 none
INFO:kex: client->server aes128-ctr hmac-md5 none
INFO:SSH_MSG_KEXDH_INIT sent
INFO:expecting SSH_MSG_KEXDH_REPLY
INFO:ssh_rsa_verify: signature true
WARNING:Permanently added 'ssh-gateway' (RSA) to the list of known hosts.
INFO:SSH_MSG_NEWKEYS sent
INFO:SSH_MSG_NEWKEYS received
INFO:SSH_MSG_SERVICE_REQUEST sent
INFO:SSH_MSG_SERVICE_ACCEPT received
INFO:Authentications that can continue: publickey,keyboard-interactive,password
INFO:Next authentication method: publickey
INFO:Authentications that can continue: password
INFO:Next authentication method: password
INFO:Authentication succeeded (password).
INFO:Connecting to 10.0.0.21 port 22
com.jcraft.jsch.JSchException: channel is not opened.
at com.jcraft.jsch.Channel.sendChannelOpen(Channel.java:673)
at com.jcraft.jsch.ChannelDirectTCPIP.connect(ChannelDirectTCPIP.java:73)
at StreamForwarding$ProxySSH.connect(StreamForwarding.java:41)
at com.jcraft.jsch.Session.connect(Session.java:208)
at com.jcraft.jsch.Session.connect(Session.java:160)
at StreamForwarding.main(StreamForwarding.java:21)
INFO:Connection established
com.jcraft.jsch.JSchException: Session.connect: java.io.IOException: failed to initialize the channel.
Any help is appreciated.
Best Regards,
Ibrahim
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Hello,
I am trying to implement proxy interface for stream forwarding. My aim is running SFTP channel over an SSH gateway.
Using jsch-0.1.47.jar with the following code gets an error; com.jcraft.jsch.JSchException: channel is not opened.
My code is:
And the output:
java -classpath jsch-0.1.47.jar;. StreamForwarding
INFO:Connecting to ssh-gateway port 22
INFO:Connection established
INFO:Remote version string: SSH-2.0-OpenSSH_4.2
INFO:Local version string: SSH-2.0-JSCH-0.1.47
INFO:CheckCiphers: aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-ctr,arcfour,arcfour128,arcfour256
INFO:aes256-ctr is not available.
INFO:aes192-ctr is not available.
INFO:aes256-cbc is not available.
INFO:aes192-cbc is not available.
INFO:arcfour256 is not available.
INFO:CheckKexes: diffie-hellman-group14-sha1
INFO:diffie-hellman-group14-sha1 is not available.
INFO:SSH_MSG_KEXINIT sent
INFO:SSH_MSG_KEXINIT received
INFO:kex: server: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
INFO:kex: server: ssh-rsa,ssh-dss
INFO:kex: server: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
INFO:kex: server: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
INFO:kex: server: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
INFO:kex: server: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
INFO:kex: server: none,zlib@openssh.com,zlib
INFO:kex: server: none,zlib@openssh.com,zlib
INFO:kex: server:
INFO:kex: server:
INFO:kex: client: diffie-hellman-group1-sha1,diffie-hellman-group-exchange-sha1
INFO:kex: client: ssh-rsa,ssh-dss
INFO:kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc
INFO:kex: client: aes128-ctr,aes128-cbc,3des-ctr,3des-cbc,blowfish-cbc
INFO:kex: client: hmac-md5,hmac-sha1,hmac-sha1-96,hmac-md5-96
INFO:kex: client: hmac-md5,hmac-sha1,hmac-sha1-96,hmac-md5-96
INFO:kex: client: none
INFO:kex: client: none
INFO:kex: client:
INFO:kex: client:
INFO:kex: server->client aes128-ctr hmac-md5 none
INFO:kex: client->server aes128-ctr hmac-md5 none
INFO:SSH_MSG_KEXDH_INIT sent
INFO:expecting SSH_MSG_KEXDH_REPLY
INFO:ssh_rsa_verify: signature true
WARNING:Permanently added 'ssh-gateway' (RSA) to the list of known hosts.
INFO:SSH_MSG_NEWKEYS sent
INFO:SSH_MSG_NEWKEYS received
INFO:SSH_MSG_SERVICE_REQUEST sent
INFO:SSH_MSG_SERVICE_ACCEPT received
INFO:Authentications that can continue: publickey,keyboard-interactive,password
INFO:Next authentication method: publickey
INFO:Authentications that can continue: password
INFO:Next authentication method: password
INFO:Authentication succeeded (password).
INFO:Connecting to 10.0.0.21 port 22
com.jcraft.jsch.JSchException: channel is not opened.
at com.jcraft.jsch.Channel.sendChannelOpen(Channel.java:673)
at com.jcraft.jsch.ChannelDirectTCPIP.connect(ChannelDirectTCPIP.java:73)
at StreamForwarding$ProxySSH.connect(StreamForwarding.java:41)
at com.jcraft.jsch.Session.connect(Session.java:208)
at com.jcraft.jsch.Session.connect(Session.java:160)
at StreamForwarding.main(StreamForwarding.java:21)
INFO:Connection established
com.jcraft.jsch.JSchException: Session.connect: java.io.IOException: failed to initialize the channel.
Any help is appreciated.
Best Regards,
Ibrahim