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Thursday, February 5, 2026

macos – Unable to hook up with distant servers utilizing SSH after adjusting community settings


I lately needed to clear some community associated settings and preferences with the intention to get on-line at an airport utilizing a captive hotspot. This was performed as a result of the login window was not opening in Safari or every other browser. I attempted utilizing http://captive.apple.com, however it could not launch the window.

After these modifications had been made, I used to be in a position to get on-line on the airport wifi, however I’m now unable to hook up with my distant web site servers utilizing SSH within the Terminal app. Once I strive to hook up with numerous distant servers, the connection hangs and finally occasions out.

I’ve tried connecting to a number of servers utilizing verbose output, and the next is returned:

OpenSSH_9.8p1, LibreSSL 3.3.6
debug1: Studying configuration knowledge /Customers/username/.ssh/config
debug1: /Customers/username/.ssh/config line 85: Making use of choices for *
debug1: Studying configuration knowledge /and so on/ssh/ssh_config
debug1: /and so on/ssh/ssh_config line 21: embody /and so on/ssh/ssh_config.d/* matched no information
debug1: /and so on/ssh/ssh_config line 54: Making use of choices for *
debug2: resolve_canonicalize: hostname 178.128.228.188 is tackle
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' -> '/Customers/username/.ssh/known_hosts'
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' -> '/Customers/username/.ssh/known_hosts2'
debug1: Authenticator supplier $SSH_SK_PROVIDER didn't resolve; disabling
debug3: channel_clear_timeouts: clearing
debug3: ssh_connect_direct: getting into
debug1: Connecting to 178.128.228.188 [178.128.228.188] port 22.
debug3: set_sock_tos: set socket 3 IP_TOS 0x48

Nothing is returned after the set_sock_tos line.

Issues that I’ve tried:

  • Tried enabling/disabling the built-in firewall, nevertheless it doesn’t appropriate the difficulty.
  • Tried eradicating plist information from Library > Preferences > System Configuration and restarted my MacBook to permit macOS to rebuild the desire information. This didn’t work. I backed up the entire information previous to finishing this.

Replace

Choice listing information backed up and faraway from the Library > Preferences > System Configuration folder:

  • com.apple.airport.preferences.plist
  • com.apple.wifi.message-tracer.plist
  • NetworkInterfaces.plist
  • preferences.plist

I’m able to connect with the servers through SFTP in Transmit with no points, and might do the identical through SSH on my iPhone utilizing Immediate.

No different modifications had been made whereas making an attempt to hook up with the airport Wifi utilizing the captive hotspot.

Any concepts on methods to resolve this problem?

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