Couldn't connect to any ssh server

Ask Fedora
1

I tried to connect to my VDS server via ssh from my laptop and recently it stopped working. But I could connect to it from different devices. Also I tried to connect to different server via ssh, no luck as well.

Verbose output of ssh (I masked ip and user):

ssh user@xxx.xx.xx.xxx -v
OpenSSH_9.9p1, OpenSSL 3.2.4 11 Feb 2025
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Reading configuration data /etc/ssh/ssh_config.d/20-systemd-ssh-proxy.conf
debug1: Reading configuration data /etc/ssh/ssh_config.d/50-redhat.conf
debug1: Reading configuration data /etc/crypto-policies/back-ends/openssh.config
debug1: configuration requests final Match pass
debug1: re-parsing configuration
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Reading configuration data /etc/ssh/ssh_config.d/20-systemd-ssh-proxy.conf
debug1: Reading configuration data /etc/ssh/ssh_config.d/50-redhat.conf
debug1: Reading configuration data /etc/crypto-policies/back-ends/openssh.config
debug1: Connecting to xxx.xx.xx.xxx [xxx.xx.xx.xxx] port 22.

What I’ve tried:

  • restarting sshd on server
  • checking /etc/host.block & /etc/host.allow - no restrictions found
  • checking wirewall on laptop:
sudo firewall-cmd --list-all
Place your right index finger on the fingerprint reader
public (default, active)
  target: default
  ingress-priority: 0
  egress-priority: 0
  icmp-block-inversion: no
  interfaces: wlp0s20f3
  sources: 
  services: dhcpv6-client mdns ssh
  ports: 
  protocols: 
  forward: yes
  masquerade: no
  forward-ports: 
  source-ports: 
  icmp-blocks: 
  rich rules:
  • Reinstalling openssh-clients package
  • Deleting ~/.ssh directoty

Assuming that I could connect to server via ssh on different device, I think it’s something with my ssh client on laptop, but I can’t figure it out. Could someone help me?

2

Hi Niko,

on my systems, the Firewall looks a bit different:

demo@fedora:\~$ firewall-cmd --list-all
FedoraWorkstation (default, active)
target: default
ingress-priority: 0
egress-priority: 0
icmp-block-inversion: no
interfaces: enp3s0
sources:
services: dhcpv6-client samba-client ssh
ports: 1025-65535/udp 1025-65535/tcp
protocols:
forward: yes
masquerade: no
forward-ports:
source-ports:
icmp-blocks:
rich rules:

Perhaps the public firewall is blocking you? But i think outgoing connections should be possible, even in the public zone…