Impossible open port 43

[Manuel_Caramia]

I tried to open port 43 in my panel of plesk. I need to open it because of the whois of WHMCS.
If I check the port it is Closed.
Thanks

 

[Manuel_Caramia]

Anyone???

 

[NatalyaF]

Hi there! what is your OS? What firewall do you have?

 

[Manuel_Caramia]

Os Cloudlinux
Firewall is the firewall of plesk 12.5

 

[Manuel_Caramia]

Up please

 

[Manuel_Caramia]

@IgorG can you help me please?