CentOS server refusing all connections except for ssh telnet and http
5193
What causes the 'Connection Refused' message?
24549
Wget and curl can work normally, but ping fails
145389
Connection timeout for ssh server
107112
No connection could be made because the target machine actively refused it (PHP / WAMP)
112472
Can't access https despite port 443 is opened
153880
Telnetting the Local port not working but trying the ip working
57752
Handling http and https requests using a single port with nginx
49326
Centos 7 - sshd sftp group permissions messed up after update
104617
network.service Failed to start LSB: Bring up/down networking - Centos 7
35816
Multiple servers acting like a single one with all the hardware?
15964
How do I configure a new Ubuntu installation to accept ssh connections?
101921
Ubuntu server - ethernet disabled and no eth0 in interfaces file
107054
SSH connection refused from inside my LAN
154765
ssh server: reasons for sudden "Connection closed by remote host"
144016
SSH sessions hang on shutdown/reboot
135902
Amazon EC2 - No SSH After Reboot, Connection Refused
41869
SSH is allowing remote connections only after a local login to the server