![]() The class SshTunnel is initialized with 4 parameters, the local and remote port, the remote user, and the remote host. The main activity consists of running curl ie., fetching a webpage but from port 2222. In this example, the ssh tunnel forwards local port 2222 to port 80 on localhost. ![]() It runs an SSH tunnel in a separate thread then the main thread does something to get network traffic over the SSH tunnel. Here is the level 3 verbosity out of ssh: bash-3.2$ ssh -vvv -p 22 -R 5917:h3-centos4x32:5917 LibreSSL 2.1.7ĭebug1: Reading configuration data /etc/ssh/ssh_configĭebug1: /etc/ssh/ssh_config line 20: Applying options for *ĭebug1: /etc/ssh/ssh_config line 102: Applying options for *ĭebug1: Connecting to port 22.ĭebug1: key_load_public: No such file or directoryĭebug1: identity file /Users/user/.ssh/id_rsa type -1ĭebug1: identity file /Users/user/.ssh/id_rsa-cert type -1ĭebug1: identity file /Users/user/.ssh/id_dsa type -1ĭebug1: identity file /Users/user/.ssh/id_dsa-cert type -1ĭebug1: identity file /Users/user/.ssh/id_ecdsa type -1ĭebug1: identity file /Users/user/.ssh/id_ecdsa-cert type -1ĭebug1: identity file /Users/user/.ssh/id_ed25519 type -1ĭebug1: identity file /Users/user/.ssh/id_ed25519-cert type -1ĭebug1: Enabling compatibility mode for protocol 2.0ĭebug1: Local version string SSH-2.0-OpenSSH_6.9ĭebug1: Remote protocol version 2.0, remote software version OpenSSH_4.3ĭebug1: match: OpenSSH_4.3 pat OpenSSH_4* compat 0x00000000ĭebug1: Authenticating to :22 as 'user'ĭebug3: put_host_port: :22ĭebug3: hostkeys_foreach: reading file "/Users/user/.ssh/known_hosts"ĭebug3: record_hostkey: found key type RSA in file /Users/user/.ssh/known_hosts:14ĭebug3: load_hostkeys: loaded 1 keys from :22ĭebug3: order_hostkeyalgs: prefer hostkeyalgs: SSH2_MSG_KEXINIT sentĭebug2: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit:ĭebug2: kex_parse_kexinit: first_kex_follows 0ĭebug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1ĭebug2: kex_parse_kexinit: ssh-rsa,ssh-dssĭebug2: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit: kex_parse_kexinit:ĭebug1: kex: server->client aes128-ctr hmac-sha1 noneĭebug1: kex: client->server aes128-ctr hmac-sha1 noneĭebug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<7680<8192) sentĭebug1: Server host key: ssh-rsa SHA256:7TdkXSi5vgIvHcaSM9U+A/S+pMz+u+S2vWMA55T8Y6wĭebug1: Host ':22' is known and matches the RSA host key.ĭebug1: Found key in /Users/user/.ssh/known_hosts:14ĭebug2: key: /Users/user/.ssh/id_rsa (0x0),ĭebug2: key: /Users/user/.ssh/id_dsa (0x0),ĭebug2: key: /Users/user/.ssh/id_ecdsa (0x0),ĭebug2: key: /Users/user/.ssh/id_ed25519 (0x0),ĭebug1: Authentications that can continue: publickey,gssapi-with-mic,passwordĭebug3: start over, passed a different list publickey,gssapi-with-mic,passwordĭebug3: preferred publickey,keyboard-interactive,passwordĭebug3: remaining preferred: keyboard-interactive,passwordĭebug1: Next authentication method: publickeyĭebug1: Trying private key: /Users/user/.ssh/id_rsaĭebug3: sign_and_send_pubkey: RSA SHA256:a+3AC5+LSZvVQGRjkcYmIG35SzhOs9kKPv+yy2T6T2oĭebug2: we sent a publickey packet, wait for replyĭebug1: Authentication succeeded (publickey).Īuthenticated to (:22).Here is a code snippet for Python3 (but you should be able to retrofit it into Python2 without difficulty). I also tried a manual command from a shell: ssh -p 22 -R 5917:host-centos5x32:5917 ssh connects, but Real VNC v5.0.4 fails to bring up the display on VNC display 17 with the error in a dialog (only choice is OK): VNC Viewerīoth ways of tunneling worked fine in Yosemite, but now always fails with El Capitan. ![]() Before upgrade, I could tunnel my VNC session from another computer using the app SSH Tunnel Manager, but after upgrade, it now just goes into a loop reconnecting. ![]() I upgraded from Yosemite to El Capitan, but now SSH tunneling appears to be broken. ![]()
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