Vyatta NOS documentation

Learn how to install, configure, and operate Vyatta Network Operating System (Vyatta NOS), which helps to drive our virtual networking and physical platforms portfolio.

service ssh disable-host-validation

Specifies that SSH should not validate clients via reverse DNS lookup.

set service ssh disable-host-validation
delete service ssh disable-host-validation
show service ssh

Client PTR/reverse-DNS records are resolved through DNS.

Configuration mode


service {
	ssh {
		disable-host-validation
	}
}

Use this command to specify that SSH should not resolve client PTR/reverse-DNS records via a reverse DNS (PTR) lookup. This process can be time consuming and cause long delays for clients trying to connect.

Use the set form of this command to specify that SSH should not resolve client PTR/reverse-DNS records via a reverse DNS (PTR) lookup.

Use the delete form of this command to restore the default configuration and allow reverse DNS lookups.

Use the show form of this command to view the configuration.