If you get error in whmcs when searching domain
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There was a problem connecting to the domain registry. Please try again |
Then it means your server is not able to connect to whois server through port 43. Make sure port 43 is allowed in your firewall.
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iptables -t filter -A OUTPUT -p tcp --dport 43 -j ACCEPT iptables -t filter -A OUTPUT -p udp --dport 43 -j ACCEPT |
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