Sshd Configuration: Difference between revisions

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==Update the Firewall Rules==
If iptables is enabled, there's a firewall rule that allows ssh access, and it usually mentions the port. You may want to check and change that: [[Iptables_Command_Line_Tool_Examples#Allow_SSH_Only_From_the_Internal_Network_on_a_Non-Standard_Port]]


=Change the Network Interface to Listen On=
=Change the Network Interface to Listen On=

Revision as of 00:30, 6 January 2016

Internal

Overview

Changing the Default Port

Uncomment and/or update the default "Port" value in /etc/ssh/sshd_config:

#Port 22
Port 12345

Changing the Default Port on a SELinux System

If SELinux is enable, you have to tell SELinux about this change:

semanage port -a -t ssh_port_t -p tcp 12345

Update the Firewall Rules

If iptables is enabled, there's a firewall rule that allows ssh access, and it usually mentions the port. You may want to check and change that: Iptables_Command_Line_Tool_Examples#Allow_SSH_Only_From_the_Internal_Network_on_a_Non-Standard_Port

Change the Network Interface to Listen On