我希望能够从家庭电脑通过 ssh 进入位于限制性防火墙后面的工作电脑。
工作电脑openssh版本
OpenSSH_7.2p2 Ubuntu-4ubuntu2.1, OpenSSL 1.0.2g 1 Mar 2016
我在工作电脑上使用此命令： ssh -p443 -fNTR 0.0.0.0:6333:localhost:443[电子邮件受保护]
我在家庭电脑上使用这个命令：
ssh -v -p 6333 本地主机
家庭电脑的输出：
OpenSSH_7.3p1, OpenSSL 1.0.2j 26 Sep 2016
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to localhost [::1] port 6333.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_rsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_7.3
ssh_exchange_identification: Connection closed by remote host
工作电脑响应家庭电脑：
connect_to localhost port 443: failed.