Ssh Connect To Host Port 22 Connection Timed Out Aws

• If the termination type is ERROR_MESSAGE_STATE, you can search for further information in the trace file for the work process 9 in transaction ST11 on the application. Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Once connected, you can set an SSH timeout. Added port 19999 in AWS security groups. I've seen various issues cause the SSH daemon to simply stop accepting connections, or unexpectedly close open ones. Yesterday I created a droplet. But not able to SSH into the instance. ssh: connect to host github. Both have openssh-client and openssh-server installed on them. $ git clone [email protected] org port 22: Operation timed out fatal: The remote end hung up unexpectedly Completed with errors, see above A timeout means that your computer was unable to reach Bitbucket, likely due to something in your own network. Ubuntu Server problem How to Fix ssh: connect to host port 22: Connection refused $ ssh [email protected] ssh: connect to host [] port 22: Operation timed out Then you may have cloud firewall rules that restrict access to port 22. 28 port 22: Connection timed out ssh -vvv [email protected] OpenSSH_5. 1 port 22: connection refused と表示されログインできない自体になった。. I've been getting a connection timed out since some days in 1 of our EC2 instance. com port 22: Connection timed out: fatal: Could not read from remote repository. 先日AWSでサーバーを構築していた際に発生した。パブリックな踏み台サーバーからプライベートなEC2インスタンスへのSSHログインを試みると connect to host 192. Funny thing is I was then able to switch back to home wifi and suddenly SSH worked, so I didn't have to stay on hotspot. I have two Ubuntu machines. Hello All, We have been using rsync with ssh for a long time now with sshd_config having default values. While there are potential security reasons to change this later, for now it will do. ssh: connect to host vs-ssh. Linux关于ssh: connect to host xxx. 04 host on EC2 that becomes unreachable every time I forget to close ssh connection with exit command. SSH replaced several older commands and protocols in Unix and Linux the 1990s. Connect To Amazon EC2 Linux Instance Using PuTTY Private Key. I have SSH running on port 8662 and 22. org port 22: Connection timed out 解決方式有三種. To ensure that you can connect to your EC2 Linux instance using SSH, first verify that your Security Group(s) permit access to your EC2 instance over SSH from your IP address. 0/0 shouldn't matter. xxx ssh: connect to host 67. Host github. It's still fully functional, I'm just not interested in working on it anymore. 先日AWSでサーバーを構築していた際に発生した。パブリックな踏み台サーバーからプライベートなEC2インスタンスへのSSHログインを試みると connect to host 192. Added port 19999 in AWS security groups. Click on the picture to enlarge. Für Windows-Instances: Wenn Sie view inbound rules (Eingangsregeln anzeigen) auswählen, erscheint ein Fenster, das den/die Port(s) anzeigt, auf denen der Datenverkehr erlaubt ist. I knew there were a number of free Java SSH libraries out there and I hoped to find a free. Server took in Lond. edu port 22: Connection timed out I've tried this on my machine (running Ubuntu 10. com port 22: Connection timed out 方案1(本人使用此方案,问题得已解决): 可能是ssh-server未安装或者未启动。. Mecool Android - En. Note that a successful ping does not guarantee a successful TCP/IP connection on a specific port. # iptables -A INPUT -p tcp --dport 22 -j DROP # service iptables save [NOTE: Do not use below command it you are connected with SSH to server, It will drop your current connection] OK ,we can now configure our knockd daemon so that out SSH port opens after a correct port knocking Sequence. PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. com,如果出现:You've successfully authenticated,那么恭喜你,连接成功可以使用了。如果出现:ssh: connect to host github. If the basic network connection between the proxy and the files12. xx port 22: Connection timed out [[email protected] ~]# Is there any one that have solution from this. This is password based authentication, so i'm not using any pub/private keys. I have an Ubuntu 16. exe (typically located in C:\Program Files (x86)\Microsoft SQL Server\MSSQL. Orange Box Ceo 6,823,368 views. Use your FTP username and password to establish the SSH connection in Step 2 above. First of al. org port 22: Connection refused fatal: Could not read from remote repository. command aborted. Both have openssh-client and openssh-server installed on them. Host github. Or using the wrong port if the remote is set up unusually. 10 installation) to machine K works great. Now you have a channel established to your home computer, over a securely encrypted connection. "SSH server" if you want to enable incoming scp connections. 连接 ssh [email protected](or IP) 第一次容易出现的问题是:由于默认关闭了ssh服务,连接无法建立,此时需要手动输入yes,才能建立连接 4. the ssh command return. We never experience any ""time out"" problems until now. From the options, only User and private key are correct. ssh: connect to host gitlab. 191 ssh: connect to host 172. Container Linux defaults to running an OpenSSH daemon using systemd socket activation - when a client connects to the port configured for SSH, sshd is started on the fly for that client using a systemd unit derived automatically from a template. When I try to connect remotely (through a domain name that I set-up for the server, which I know works) I get this connection refused error: ssh: connect to host bahhudson. com port 22: Connection timed out npm ERR! fatal: Could not read from remote repository. jar, tries to find a version of java that is. pem [email protected] 求助ssh:connect to host xxxx port 22:Connection timed out 我来答. Connecting to a DB Instance Running the PostgreSQL Database Engine After Amazon RDS provisions your DB instance, you can use any standard SQL client application to connect to the instance. First of al. xxx port 22: Operation timed out I'm moving from an older mac, both are running OS 10. Hello, I have two AIX6. com port 22. ssh/known_hosts and try again. 72 port 22: Connection timed out ssh: connect to host 35. Getting started is complicated, however AWS is extremely well documented and is as intuitive as possible. ssh: connect to host ssh. com port 22: Connection timed out to host github. I don't understand, is the remote server hosted on AWS? If not, then the Security Group being open @0. /ssh 下找到congfig文件,如果没有就创建一个. com port 22: Connection timed out. Thanks in advance!. ssh: connect to host sage. com port 22: Connection timed out $ # but this might work. Open the Amazon EC2 console. command aborted. When you re-connect you will be prompted to accept the host identity again. ssh connection | ssh connection refused | ssh connection | ssh connection timed out | ssh connection reset | ssh connection timeout | ssh connection closed by |. Every so often, the cron job emails me ssh_exchange_identification: Connection closed by remote host fatal: The remote end hung up unexpectedly This started a few weeks ago with this happening perhaps once every few days. 28 port 22: Connection timed out ssh -vvv [email protected] OpenSSH_5. 9: Connection refused Connection refused connect refused refused connect port 22 严重 catalina. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections. Usually only developers would change this to a different value, but some enterprises are known to run SSH servers in non-standard ports or to run multiple SSH servers on the same server at different ports. Sorry! Something went wrong on our end. ssh: connect to host example. Even in SourceTree, entered the proxy and port details, but still getting: "fatal: unable to access Failed to connect to bitbucket. ssh: connect to host 111. Here are the things I have checked: Port 22 is open (obviously since this. command aborted. Make sure SSH is selected from. 0 by-sa 版权协议,转载请附上原文出处链接和本声明。. I'll keep updating this thread if there is any update. Please let me know if there is any other information that you may need. So I tried using an SSH connection made over the HTTPS port by editing the config file ~/. Python Test Ssh Connection. SSRS throws "The operation has timed out. connect to host vs-ssh. 0/24 (Jenkins VPC) networks. OK, I Understand. sshしたサーバAからさらにサーバBにssh接続しようとすると 「ssh: connect to host test. Customizing the SSH daemon. I have tried with 3 independent servers that I have access as recently as last week. Does anyone have any idea as to where the problem might be so I can try and get it resolved. Generally, if it's connection timeouts, it means either network or OS layer firewall? Is iptables configured on this remote server to drop connection attempts to Port 22?. 在terminal运行ssh. This is my attempt to connect: [email protected]:/# ssh [email protected] ssh: connect to host HOSTNAME port 22: Connection timed out. i use putty to login and it says "Server unexpectedly closed network connection". Animals Babies Beautiful Cats Creative Cute Dogs Educational Funny Heartwarming Holidays Incredible. 2,用的是VirtualBox),在网上找了各种办法,可是都解决不了我的问题!. A server connection timeout means that a server is taking too long to reply to a data request made from another device. com Hostname ssh. when i tried ssh into instance getting connection time out. I can still connect to that same server on an XP machine and an Apple machine, so my best guess is that the problem I am having is Win7 related. You are trying to use a protocol that the server does not support. com mailing list. ssh: connect to host ec2-52-221-218-255. It's not telling me the username/password is wrong. In fact, I have successfully ssh to the server for three times, but the connection failed soon. ssh connect to host github. The ssh connectivity problems generally fall into a couple major buckets. Connect to your Linux instances from Windows using PuTTY, a free SSH client for Windows. We can then shutdown direct SSH. "Use custom port ranges:" (I have 21 to 21 input here) I know the custom port ranges are wrong, but this is the only way my Filezilla client will connect to the server. You might also check the server’s iptables to ensure that it isn’t blocking the port used by SSH. I'm trying to connect to it through ssh but I'm getting a port 22: Connection timed out error. It is the official Client for all our VPN solutions. Whenever I ssh into my ssh server and wait a bit the session times out! The reason is my SSH server sets a timeout value and when my inactivity exceeds that value the session times out. It is a widows device, I just used VM VirtualBox to check it. 2015-06-28 求助ssh. The Filezilla network configuration wizard passes the tests for ssh connections With the router connected I have set up port forwarding, and with the firewall on I have configured the ports to be used for Filezilla. I have tried with 3 independent servers that I have access as recently as last week. Please make sure you have the correct access rights. SSL driver connections are only supported with the official RethinkDB drivers and the community-supported Go driver. ssh: connect to host gihost. The documentation has a comprehensive list of incoming and outgoing ports that need to be accessible for each of the data platforms supported (search the documentation site for the key words "Network and Connectivity Requirements"). Another alternative is to copy the public key file to the server and concatenate it onto the authorized_keys file manually. Amazon Web Services, Inc. ssh: connect to host 42. You need to check if there are any security rules preventing connection to your remote server. Can you give me some help. 这是在gitLab下面(github大概需要微调调)错误如下图:就是总出现timeout。好了解决方法如下:windows 在. 10 installation) to machine K works great. After you have completed the wizard, you can allow SSH connections by changing the firewall. Sometimes when people are having problems with SSH-connections, we often hear "I can connect with Putty without problems". 72 port 22. Before You Start Decide who requires access to your instance; for example, a single host or a specific network that you trust such as your local computer's public IPv4 address. debug1: connect to address 54. What do you see on node1 with telnet localhost 22? If you see the OpenSSH banner then the local ssh server is indeed functional and you should ask your network admins one more time if there isn't yet some kind of network component (a firewall?) between the nodes inhibiting access to port 22 on node1 from node2. I've created a new droplet using a image. did not work for me and I am still facing the issue. com: Hi xxxx!. 3 but I get this message ssh: connect to host 192. Essentially, Remote Login starts an SSH server on a Mac, which includes the ability to accept incoming SSH connections, and is the secure replacement for telnet. 04 host on EC2 that becomes unreachable every time I forget to close ssh connection with exit command. The problem is that one of them somehow closes the connection after some time and i don't know the reason of that. 求助ssh:connect to host xxxx port 22:Connection timed out 求助ssh:connect to host xxxx port 22:Connection timed out. 190 OpenSSH_6. The socket connection (which is connected to the remote SSH server) is then passed to the original SSH client command invocation to utilize. Added port 19999 in AWS security groups. For this demo I am leaving port 22 open to the world but in a real use case I would limit this to my current IP ONLY. Enable Telnet in the device and confirm what port to use. Now you have a channel established to your home computer, over a securely encrypted connection. An Amazon AWS server for remote deep learning …or any other system that you can connect to remotely! To learn how to configure your Raspberry Pi, Amazon EC2 instance, or server for remote Python development, just keep reading! Remote development on the Raspberry Pi (or Amazon EC2). To find out if that's the case, follow the steps given in this guide. Many email clients and services use port 25 for SMTP to send out emails. can anyone help, below is my log file. 何故、SSH接続する際、ssh: connect to host XXX. com port 22: Connection refused connect to host example. Note that a successful ping does not guarantee a successful TCP/IP connection on a specific port. followed the steps: 1. 60 is a bogus server address, a standard port is assigned to connect to it. org port 443: Timed out" Please help me on this. You config the ssh client to port-forward a local port, say 8080, to the remote's localhost:80. This is right between ftp and telnet, which are. The documentation has a comprehensive list of incoming and outgoing ports that need to be accessible for each of the data platforms supported (search the documentation site for the key words "Network and Connectivity Requirements"). Select "Port" and click Next. However, after being able to have network access, specifying docker port 2222:22 did not work for remote SSH session. Server configg. com port 22: Connection timed out. exe' '' 'connecting to 10. Any other OpenVPN protocol compatible Server will work with it too. It sincerely means a lot to us. Last updated on: 2018-10-25; Authored by: Jered Heeschen; One of the fundamentals of Secure Shell (SSH) is that it uses a “fingerprint” generated using a server’s unique “host key” to identify the server to a client. "Use custom port ranges:" (I have 21 to 21 input here) I know the custom port ranges are wrong, but this is the only way my Filezilla client will connect to the server. 你好,很高兴为你解答connect to host xxxx port 22:Connection timed out连接主机和端口22:连接超时希望我的回答对你有帮助,满意请采纳。 已赞过 已踩过 你对这个回答的评价是?. org OpenSSH_5. 1 and later, VMware recommends that you use Tech Support Mode. 这是在gitLab下面(github大概需要微调调)错误如下图:就是总出现timeout。好了解决方法如下:windows 在. ssh: connect to host 192. Both have openssh-client and openssh-server installed on them. I have 2 servers; Server A and Server B. Tchassagnette Doesn't work because the instances are located on AWS without public IP address I've got a message like this : ssh: connect to host 10. com PreferredAuthentications publickey IdentityFile ~/. In the end i used this but used port 22 instead 3) In VirtualBox, open the settings for the profile you want to set up. I am not sure how to check that. So in order to increase the ssh session time out, I modified /etc/ssh/sshd_config (with AllowTcpForwarding YES, ClientAliveInterval 120 and ServerAliveInterval 300. I can connect for the first 5 minutes or so once the instance has been launched but at an almost random points the SSH connection will time out and I will be unable to connect to it again getting the results shown in this question. Your router forwards port 25565 TCP/UDP to the correct internal IPv4 address of your server. *** port 22: Operation timed out 我的系统是,os x 10. Server is still up and running, HTTPS works fine and i can reach the services through the browser but can't SSH. The most likely one is that the Security Group is not configured properly to provide SSH access on port 22 to your i. When i connect applet to servlet using URL class from Java. Ubuntu: How to solve: "Connect to host some_hostname port 22: Connection timed out"? The Question: I have two Ubuntu machines. ssh: connect to host github. I'll cover some of the settings in the " Host *" block, which apply to all outgoing ssh connections, in other items in this post, but basically you can use this to create shortcuts with the ssh command, to control what username is used to connect to a given host, what port number, if you need to connect to an ssh daemon running on a non. i dont touch or modify anything. *** port 22: Operation timed out 我的系统是,os x 10. ssh [email protected] ssh: connect to host ec2-11-11-111-11. AWS Direct Connect is a cloud service solution that makes it easy to establish a dedicated network connection from your premises to AWS. ssh: connect to host "raspberry pi IP address" port 22: Operation timed out I would like to know can possibly be the cause for this issue and how I can fix it? ssh connection. Connection multiplexing is a way to optimize creation of SSH connection between the client and server when frequent requests are made from the client to the server. As DevOps or IT professionals, people may ask us why they can't ssh to servers. ssh: connect to host gihost. If for some reason you need to connect to a different port number, just change the value. Am currently using a 3G network from my phone, but this doesn't seem to be the problem as I can connect to the server using another computer with the same 3G connection. If it works you can then setup your firewall properly. com端口22:连接超时. Ensure the server is listening on the target machine; Try the following troubleshooting techniques. How to SSH to AWS. Connect to it via SSH. 3p1, OpenSSL 1. com port 22: Connection timed out Azure DevOps git repos Jorje Nava reported Nov 07, 2017 at 03:11 PM. 0/0"] from_port = 22 to_port = 22 protocol = "tcp"} But if you try to ssh into it you 'll get a request timed out. i have used cygwin and ssh is working fine on both the PC and I went through some suggestion to change the port number 22(because of ISP problem) but i dont want do that just because. SSRS throws "The operation has timed out. git my-awesome-proj: Cloning into ' my-awesome-proj ' ssh: connect to host github. ssh: connect to host ssh. Amazon Web Services is a comprehensive, evolving cloud computing platform provided by Amazon. 3) you are not actually using the SSH tunnel you opened with '-L13306:127. ssh: connect to host git. Ensure that the Port value is 22. 完美解决办法 windows linux 找到. Now you have a channel established to your home computer, over a securely encrypted connection. pem file and save a. An Amazon AWS server for remote deep learning …or any other system that you can connect to remotely! To learn how to configure your Raspberry Pi, Amazon EC2 instance, or server for remote Python development, just keep reading! Remote development on the Raspberry Pi (or Amazon EC2). ssh -i private_key. jp port 22: Connection timed out 」 とでます。 現状はサーバAにssh接続してサーバA上でsshすると上記エラーがでます。 ローカルからサーバBにsshは出来ています。. 9p1 Debian-5ubuntu1. 异常 在连接github时,执行”ssh T [email protected] If your server is set to timeout after 5 minutes, that's 5 min x 60 sec = 300 seconds. org port 22: Connection timed out fatal: Could not read from remote repository. However upon trying to connect via the tunnel from my local box with: mongo -u dbUser localhost:24000/db-name. I have an Ubuntu 16. I tried to encrypt my shiny server on an Amazon EC2 server (Ubuntu) today and I modified my firewalls a little by. xxx port 22: Operation timed out I'm moving from an older mac, both are running OS 10. git clone时出现ssh: connect to host github. Locking down port 22 not only keeps unwanted people from gaining access to your server, it also helps prevent a certain type of DDoS attacks called SYN floods. Actual behavior Connection attempts are refused inside the container although service is up and running and can be connected successf…. org port 22: Connection timed out using some times it Shows access denied But that repo i am haveing Admin Aceess can you please tell me why i am getting this issuse and tell me how to fix this issue. 122 port 22: Connection timed out ssh: connect to host ec2-54-209-148-122. ssh: connect to host ssh. com - date: February 22, 2015 I am trying to set up mysql so that a user 'imbnpandmkexby' can connect to database 'de0rllo43ct314' from any remote IP address, or locally. TCP - Port 22 - SSH port TCP - Port 443 - HTTPS port used for OpenVPN TCP connection TCP - Port 943 - OpenVPN web-ui UDP - Port 1194 - OpenVPN UDP port *note: The warning seen is very important. $ # This should also timeout $ ssh -T [email protected] can anyone help, below is my log file. Server is still up and running, HTTPS works fine and i can reach the services through the browser but can't SSH. ssh localhost ssh connect to host Connection timed out localhost connect timed out localhost-configmiss linux localhost mysql localhost localhost:1186 [email protected] ssh localhost Can't connect to MySQL server on localhost (10061) cannot connect to ho Connection Connection connection connection connection connect port ssh: connect to host localhost port 22: Network is unreachable ssh: connect. com User git Port 443 PreferredAuthentication. To connect to your instance using SSH In a terminal window, use the ssh command to connect to the instance. Basically I need to be able to connect from one EC2 instance to another using SSH. The Delphix Engine establishes connections to databases and host environments in a number of ways including JDBC and ssh. I was able to connect to SSH previously but all of a sudden it stopped working. 15 port 22: Connection timed out (self. By default, the SSH server still runs in port 22. sh出错(master: ssh: connect to host master port 22: Connection refused) 作者:Bing661129 2018-04-13 来源:51CTO. I have an AWS account and a GoDaddy Web Hosting Account. This process/port will accept connections and forward them via the remote authenticated SSH (sshd) process to another host:port combination. The SSH Server module. I can telnet to the external host just fine, but when I try to SSH, it keeps timing out. I installed linux on one of my system and assigned valid network ip to it. With tunneling enabled, the application contacts to a port on the local host that the SSH client listens on. So this ssh connection request originating from remote server to your machine will make sure that any ssh connection request for port 7000 on your machine is forwarded to port 22 of remote server. com” 命令时,出现 ssh: connect to host github. papadopoulos at gmail. xXXCould not open connection to the host, on port 22: Connect failed - Tried SSH'ing on ChromeBook, unfortunatelly it is still not accepting connections at port 22. Now do an ssh connection request from your machine to your own machine at port 7000: ssh [email protected] -p 7000. The application is accessible through browser. I have adjusted the postgresql. 207 port 22: Connection timed out Is there something that I have missed when trying to connect to he remote VM? Tuesday, February 26, 2019 5:09 PM. EC2 - "ssh: connect to host xxx-xx-xx-xxx port 22: Operation timed out" submitted 1 year ago by ocram_10 Just spent over an hour wondering why I kept getting an 'operation timed out' message while trying to connect to my EC2 instance. I have an AWS account and a GoDaddy Web Hosting Account. Looking forward for reply. They are connected to the enclosure's 2 cisco switches for the lan connection. I learned that I have to ufw port 22 again but I just cannot connect my instance at all. I am experiencing the issue on linux server and the connection is getting timed out. Putty is one of the most popular Windows based network connection clients. Animals Babies Beautiful Cats Creative Cute Dogs Educational Funny Heartwarming Holidays Incredible. connect to host vs-ssh. Another (related?) strange problem I am having is that my production web apps, being hosted on AWS, with the DNS set by Cloudlfare. 解决ssh: connect to host gitlab. com端口20超时~~~ 百度之后,可能是端口被占用; 解决办法: 在. xxx ssh: connect to host 67. Defaults to the value of the port field. You may need to connect through proxy server, but you have not specified one on login dialog. When you re-connect you will be prompted to accept the host identity again. When I try to connect via SSH ssh -X [email protected]_address ssh: connect to host ip_address port 22: Operation timed out I've tried reading some threads, some of them don't lead anywhere or they are a bit too confusing complicated for me to follow. It's still fully functional, I'm just not interested in working on it anymore. Use your FTP username and password to establish the SSH connection in Step 2 above. Why is WinSCP not able to connect to a server, when other clients are? “Connection timed out” or “Can’t resolve host name”, it is likely that there is a. When I reboot the server machine (sudo shutdown -r now), I am initially not able to connect to the postgresql server. 168] port 22. I learned that I have to ufw port 22 again but I just cannot connect my instance at all. It sounds to me like the SSH server on the remote host is experiencing issues of some kind. I'm from Ukraine. I've just started using Amazon's free trial, and followed the "Launch an Amazon EC2 Instance" guide to set up the t2. ⋅ssh登录报错,ssh: connect to host 192. 14 port 22: Connection timed out lost connection " My two server are bastion10 and newlink, I want to copy file from newlink to bastion10 buet unable. $ bin/hadoop fs -put foo input Bad connection to FS. You specify the private key (. ssh: connect to host 13. X port 22: Connection timed out. exe First step is to setup the tunnel, wherein you setup such that all the traffic from a port on your bastion host is forwarded to the port of interest on the windows and linux server machines. GatewayPorts yes TCP forward yes Password Authentication Yes. Unless you need SSH always on, I prefer to click on the "Stop Server. You can't just ssh into anything, the server needs to have an sshd running, this one doesn't seem to. com port 22: Connection timed out1 2. $ ssh -T [email protected] com port 22: Connection timed out Azure DevOps git repos Jorje Nava reported Nov 07, 2017 at 03:11 PM. ssh: connect to host 13. If you run sshd on a port other than 22, you need to enable the access to that port with a custom firewall rule. com port 22: Connection timed out linux amazon-web-services amazon-ec2 ssh share | improve this question. This host will be connected to first, and then the host connection will be made from there. If you're running on a different port, you'd need to tweak the rsync line to something like:. Having the wrong private will never time out your connection. Leave the port specification as the default value of 22 (this is the standard port used for SSH logins). Amazon Web Services, Inc. SSH operation timed out This has never happened before, but my laptop is now unable to access any remote servers. Looking forward for reply. ローカルからssh接続した本番サーバー→バックアップサーバーへssh接続しようとすると ssh: connect to host (address) port ***: Connection timed out とエラーになる。 sshd_config は以下を変更しています。 #Port 22 Port * * * #PermitRootLogin yes PermitRootLogin no AllowUsers user. connect 'myserver /timeout=5' ; Run Tera Term and open telnet session connect 'myserver:23 /nossh' ; Run Tera Term and open SSH session connect 'myserver /ssh' ; Run Tera Term and open SSH1 session connect 'myserver /ssh /1' ; Run Tera Term and open SSH2 session connect 'myserver /ssh /2' ; Run Tera Term,open SSH session and do not prompt for. com port 22: Connection timed out,很遗憾连接超时. nu port 22: Connection refused. com port 22:Connect timed out.