TUNNELBLICK RESOLVING DOMAIN NAME UPDATE

In other words, the DNS servers in these countries refuse to resolve the hostname or provide the wrong IP address leading to a dead link. This can be due to DNS spoofing in some countries that censor websites. Sometimes, DNS servers doesn’t resolve the server name translating it to the IP address. If that doesn’t work, this error can be caused by the DNS settings.

TUNNELBLICK RESOLVING DOMAIN NAME UPDATE

Alternatively, we update the customer to use the explicit IP address instead of the domain name. If we find any problems with the hostname, we’ll contact the customer and update them to use the correct hostname. In this way, we confirm that whether the customer uses a valid and correct hostname. In addition to that, we check the DNS connectivity of the hostname using dig and nslookup commands. Similarly, a typo in the hostname or an inactive host specified in the OpenVPN settings can lead to this error.įirstly, our Support Experts confirm whether the host is active using the ping command. In addition to that, we ensure that the ports required for the OpenVPN to communicate are included in the router settings.

UDP packets on port 53 for DNS queries.

Loop backup interface or hostname itself.

Moreover, we ensure to allow the following in firewall. Thus, we can determine which application is blocking the connections and fix it’s settings. So, in such cases our Support Experts temporary disable the security applications and the Antivirus program one by one. Similarly, the Antivirus program installed on the customer’s system can also hamper the VPN functionality. Additionally, firewall rules can block the DNS connections on the system. One of the common reasons for this error is customer’s local firewall blocking the connection to the OpenVPN server. Now, let’s see the main reasons for this error and how our Dedicated Engineers fix them. 20:19:01 RESOLVE: Cannot resolve host address: vpn.xx.xx.xx.xx.com: nodename nor servname provided, or not knownĬannot resolve host address in OpenVPN – Causes & Fixes Here, our Support Engineers check the server logs and detailed error looks like this: 20:19:01 MANAGEMENT: >STATE:1489260308,RESOLVE, This error means that the DNS servers refused to resolve the hostname. Today, we’ll discuss the top 4 reasons for the error cannot resolve host address in OpenVPN and how we fix them.Ĭannot resolve host address in OpenVPN – What this means?Ĭustomers usually face this error when trying to make an OpenVPN connection. One such error in OpenVPN is “ cannot resolve host address“.Īt Bobcares, we help users resolve OpenVPN connection errors as part of our Managed VPN services.

OpeVPN is a great tool to implement secure point to point connections.īut, often a single wrong step during the setup can break the connection and result in errors.

Tunnelblick resolving domain name