Questions tagged [ssh]

A network protocol that allows data to be exchanged using a secure channel between two networked devices

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Configuring an SSH tunnel with Transmit

Is there any way to configure Transmit so that it connects to an SFTP server through some SSH tunnel? (without having to launch the SSH tunnel via command line) E.g., with WinSCP on Microsoft Windows,...
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5 votes
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291 views

How to configure Xcode to fetch swift dependencies over ssh using a private key which is stored on a Yubikey ( HSM , gpg --card-status )

Problem currently is that I find no way to simply configure or instruct Xcode to check out source code or dependencies over git+ssh using ssh agent. Does Xcode at all supports using the ssh-agent? ...
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Update macos version over ssh

Previously it was possible to update macos and restart it to finish updating with: sudo softwareupdate -iaR But after updating to Big Sur this is no longer possible as running the above will not ...
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Keep alive SSH connection with server in MacOs Mojave

In El Captain, to maintain active a SSH connection you should edit ~/.ssh/config file to add your additional rules. nano ~/.ssh/config To maintain active for 1 hour you should add: Host * ...
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iOS Cannot SIGINT or Ctrl+C when SSH'ed into it

I have a jailbroken iPhone that I often SSH into. For some reason, I am unable to Ctrl+C a foreground process or kill -INT a background process when said process is started in an SSH session, but I ...
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4 votes
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headless ssh key password from keychain

On MacOS 10.12 Sierra (or/and OS X 10.11 EI Capitan) how can one use the passwords for ssh keys stored in the keychain headless? If one ssh-es in and left a local session running one can see ssh-...
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148 views

How should one correctly copy public and private keys from one mac to another?

I am aware of solution for linux here. How should one correctly copy public and private keys from one mac to another?
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SSH'ing with just a machine name on internal network: nodename nor servname provided, or not known

Yesterday I was able to ssh into my development box by using the machine name. Today, I can't. I can nslookup and use chrome to navigate to my box using just the machine name. ping and ssh do not ...
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3 votes
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MacOS Monterey on M1 Macbook SSH limitations

I have a brand new M1 Max Macbook Pro running Monterey. I also have an Intel Macbook running Catalina that I migrated to this M1 Macbook from. Finally, I also have a Linux laptop -- this will become ...
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  • 248
3 votes
1 answer
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Mac does not finish rebooting, can't remote connect

I have a Mac Mini, M1, which I use remotely via SSH / VNC. From time to time I need to issues a reboot to the machine. After rebooting however, I am unable to establish an SSH connection as all I get ...
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3 votes
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sshd stops working on Big Sur after a while when accessible from the Internet

My sshd is configured to accept only public key authentication and my ISP router forwards the port 22 to my MacPro so I can access it from anywhere using Internet. This has worked for years. Since I'...
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How do I use ssh agent on MacOS Catalina like OS X El Capitan used to?

I recently upgraded from OS X El Capitan to MacOS Catalina. I am accustomed to keeping my login session open for an entire week, and I was able to use a passphrase-protected ssh key by entering the ...
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3 votes
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Killed: 9 error while running ssh on Mojave

I am trying to connect via ssh to the remote GitHub server using Mac OS Mojave. I generated the Key pair and when I execute the following command in bash: ssh -T git@github.com I get this error: ...
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3 votes
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How to reset SSHD config to vanilla / system default settings on 10.13?

I'm having some really strange issues where workstations can no longer perform password-less (key based) ssh login to one particular workstation on macOS 10.13 now. All other workstations can use ...
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SSH to Mac port 22: Connection refused

MacOS 10.12.6 I have port forwarding in my Airport correctly configured to forward connections on port 22 of my public IP address to port 22 of my statically-assigned 10.0.1.200 MacOS. I've set the ...
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Can't UsePrivilegeSeparation sandbox with Homebrew sshd

With OSX 10.9.5, and using the latest Homebrew OpenSSH, which at time of writing is OpenSSH_7.1p2/OpenSSL 1.0.2f, I must set the following in /usr/local/etc/ssh/sshd_config: UsePrivilegeSeparation ...
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3 votes
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OS X 10.10 default username and password?

Is there a default username/password for brand new OS X installs that have yet to go through the initial setup process? I have several headless macs already racked, but no display set up for them, ...
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SSH to device via USB

When I try to SSH over USB to my device running linux, I get "ssh: connect to host 10.90.1.2 port 22: Network is unreachable" Mind you, I can run the same command "ssh root@10.90.1.2" on my linux ...
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3 votes
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279 views

X forwarding application shows blank window after one successful load

I'm running into a strange issue trying to forward an application from a remote Linux server over X (through ssh). The application (it is a java application---a commercial program, not my own) seems ...
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2 votes
1 answer
85 views

Automatic log each session from Terminal

Just moved off from windows into a Mac. I used to use Putty and it has a feature of logging sessions into a folder so everything that happens (stdin/out) goes also to a folder for historic record. I ...
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2 votes
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How To Establish A Persistent SSH

At home I have a 2017 iMac running Big Sur and a couple of Raspberry Pi 4s on Buster. At my condo I have a 2010 MacBook and two more Pi 4s on Buster. The machines at the condo are behind a double NAT. ...
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Storing SSH passphrases in the login keychain instead of Local Items

If I: Use UseKeychain yes in ~/.ssh/config Use ssh-add -K My SSH key passphrase is stored in my keychain as expected, however, when I check Keychain Access, the stored passphrase is in my iCloud/...
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  • 121
2 votes
0 answers
40 views

Unable to ssh over internet

I'm trying to ssh into a Linux server I run and I'm having a weird issue where I can ssh over the internal network but not over the internet. Over the internet, the ssh connection hangs at "...
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  • 121
2 votes
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755 views

OpenVPN to home network connections not working on macOS Big Sur

I'm using PIVPN with OpenVPN to connect to my home network anywhere in the world. I have three profiles, one for my iPhone and one for my MacBook Pro and one for a windows laptop. When I connect to my ...
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2 votes
0 answers
550 views

SSHd on macOS Catalina 10.15.3 (19D76)

I have SSH enabled (by checking remote login in Sharing settings). I have also secured it to be pubKey only etc. Every time macOS updates it overwrites my /etc/ssh/sshd_config with absolute nonsense,...
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2 votes
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How to force a macOS user to change their password when they log in over SSH?

I am setting up a Mac Mini for use as a server in our office. I am trying to set in place a reasonable security policy. Currently, I am struggling to accomplish the following: How can I make a user ...
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2 votes
0 answers
390 views

Best brute-force prevention for Mac OS X 10.13 High Sierra

I am planning to open up port 22 on my router to my iMac so I can login remotely. Login is required and allowed for only the admin user. The password is very secure--over 30 characters long. I'm not ...
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2 votes
0 answers
267 views

Why won’t ssh-add -K save my passphrase in the keychain?

I have not been able to save my ssh passphrase to the keychain since upgrading to MacOS Sierra. I understand how to use the ssh-add -K flag and the UseKeychain configuration option, and my coworkers ...
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2 votes
0 answers
665 views

Why can't I access HTTPS sites through my iPhone's hotspot?

I can access HTTP and HTTPS sites from the iPhone without any problems. However, when I use the iPhone as a hotspot and connect my laptop to the it, I can't access HTTPS sites from the laptop. It's ...
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2 votes
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269 views

Running an AppleScript on a remote computer using ssh

How would I execute an AppleScript that is saved on my computer on a remote computer?
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2 votes
0 answers
46 views

Can't copy framework to the iPhone filesystem on iOS 10

I am trying to copy RevealServer.framework to /System/Library/Frameworks using Filezilla (because openssh isn't compatible with ios 10). But I get an error saying that the volume is read only. I am ...
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2 votes
0 answers
121 views

Too strict permissions checking in Mac OS

After long debugging, I found why I can not login to my MacOS machine with ssh: Authentication refused: bad ownership or modes for directory /Users/myuser/projects The problem is that I track my ....
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  • 141
2 votes
0 answers
2k views

Configuring an SSH tunnel with Forklift

Is there any way to configure ForkLift so that it connects to an SFTP server through some SSH tunnel? (without having to launch the SSH tunnel via command line) E.g., with WinSCP on Microsoft Windows,...
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2 votes
0 answers
754 views

Something has taken over Little Snitch?

Due to sad neglect, I own the computer from the exorcist. I finally looked last night and there were 80 sshd connections from China. I blocked all traffic to/from sshd, and now that sshd is linked ...
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2 votes
0 answers
638 views

SSH keybased authentication using smartcard

I originally posted this on Information Security but am hoping to attract an answer here since this is OSX specific. So I'm fairly new to more secure forms of key management, I've been used to ...
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2 votes
0 answers
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Wake On Lan Sleeping Mac Issues

I am having trouble with Wake On Lan for my Mac. I am trying to wake it over the internet from my phone so I can log in to TeamViewer and control it remotely. I don't know if it is my router that is ...
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2 votes
0 answers
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X11 forwarding on Yosemite

X11 forwarding has stopped working since I upgraded to Yosemite. I tried reinstalling XQuartz, but that did not solve the problem. Has anyone faced the same problem? EDIT: I was finally able to fix ...
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2 votes
0 answers
474 views

ssh asks for passphrase not keychain password after locking keychain

I'm using Yosemite and store the ssh passphrase in a separate keychain (not the login keychain). This all works fine as long as the keychain is unlocked. When I lock the keychain, I expected ssh to ...
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2 votes
0 answers
60 views

How to set up a guest's public SSH key inside the DMZ?

Utilizing the console, how does one check to see if they are inside the DMZ? I believe I am, but need to ensure this before adding a guests public SSH key? The second part of the question is how to ...
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1 vote
0 answers
22 views

What's the best way to reboot a Mac that has crashed remotely (via SSH)? "shutdown -r now" or "sudo reboot" or?

For example, I often end up with a situation were I'm logged in over Apple Remote Desktop (Teamviewer etc.) and the computer crashes...ARD says reconnecting, but doesn't... However, I can nearly ...
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1 vote
0 answers
170 views

macOS: Documents folder not accessible from SSH

Using SSH from another computer into macOS Monterey using my own user and chdir to ~/Documents I get: % ls -al ~/Documents total 0 ls: /Users/user/Documents: Operation not permitted When I SSH to ...
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1 vote
0 answers
504 views

"client_global_hostkeys_private_confirm: server gave bad signature for RSA key 0" - SSH error - MacOS 12

I'm getting the error client_global_hostkeys_private_confirm: server gave bad signature for RSA key 0 during a ssh connection on the command line when the target host is known (already saved to the ...
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1 vote
0 answers
13 views

How can I enable File Sharing & Remote Login from a utility or script?

I would like to leave File Sharing and Remote Login off normally, but be able to remotely turn them on if and when I need them. The commands to do this are easily found online. sudo launchctl load -w ...
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1 vote
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225 views

How can I use my SSH key with TouchID so that don't have to type in my passphrase each time, but still required my finger print at each log in?

I am trying to use my ssh key with touchID. As others suggested here, I ran ssh-add -K ~/.ssh/[my-private-key] and modified my .ssh/config with Host * UseKeychain yes AddKeysToAgent yes ...
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1 vote
0 answers
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Edit lots of profiles in iTerm2

A longtime user of Terminal on the Mac, a colleague recently recommended iTerm2. I had a play around with it, and the same colleague gave me his Profiles JSON file. In vim, I was able to do a ...
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1 vote
0 answers
189 views

VPN client software for macOS which allows for split tunnelling incoming SSH connections

As @bmike explained in Cannot connect to Mac (Big Sur) running SSH server while connected to VPN a VPN client allowing for split tunnelling is required in order to connect to a host via SSH which has ...
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1 vote
0 answers
47 views

redirect safari traffic through ssh

Hi I'm following this tutorial to redirect safari traffic through ssh, https://helpdesk.eoas.ubc.ca/kb/articles/how-to-ssh-tunnel-a-connection-using-macos which is first ssh -D 8080 -N user@address ...
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  • 111
1 vote
0 answers
177 views

Whats the correct way to reboot a Mac which is managed by Apple Remote Desktop?

I have a headless 2012 Mac Mini running macOS Catalina which is managed with Apple Remote Desktop and ssh by my other MacBooks (running macOS Mojave). The problem is that when I need to reboot the ...
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1 vote
0 answers
1k views

How can I use ssh -X on macOS Catalina? [Warning: untrusted X11 forwarding setup failed: xauth key data not generated]

How do I get ssh -X working on macOS Catalina (10.15)? ssh -X linux_host works from another linux machine. On a fresh install of macOS Catalina, I have installed MacPorts and xorg_server. However, ssh ...
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  • 119
1 vote
0 answers
107 views

Unwanted dash ("-") in implicit ProxyCommand from ProxyJump

Intro When open an ssh URL scheme (ssh://[host]), the Terminal app will be launched to handle the request, and ssh is launched without a shell. Symptom In my case, if the host is configured to use ...
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