![]() If you have a dynamic IPv4 address, either use one of the clients that OpenDNS provides, that you install on e.g. Now all outgoing DNS traffic should be redirected to the OpenDNS servers, no matter which IP address it was originally sent to. Select Configuration > Save & Activate to make these changes permanent. Make sure that the IP Rule with the SAT action is higher up than the one with the NAT action. Right click on them and select Move to Index and place them in a suitable place. The two new IP Rules are now last in your IP Ruleset, but we must move them higher up, so we can be sure that they trigger before any other NAT rule. ![]() On the cloned object, change the Action to NAT.Ĥ. Make a clone of the previous IP Rule, by right-clicking on it and select Clone in the drop down menu. New IP Address = OpenDNS1_ip To use multiple, you need to use the action SLB_SAT and do additional changesģ. If you have multiple you may need to use an Interface Group. Add an IP Rule and fill it in as follows:ĭestination Interface = wan (The name of your Internet interface. Go to Policies > Firewalling > Main IP Rules.Ģ. To instantly force all DNS traffic, and prevent users from reaching other DNS servers, use a trick to redirect all outgoing DNS traffic to a OpenDNS server.ġ. Use the two DNS servers created above as your DNS servers.įorcing all outgoing DNS traffic to a OpenDNS server They can also bypass them by simply setting other DNS servers in their machines, that is why we should do the following changes. It will take some time (depending on your current DHCP lease time) before your users will actually get the new DNS servers and start using them. On the Options tab, specify the two OpenDNS servers that we created as DNS servers.ģ. ![]() ![]() Go to Network > Network Services > DHCP Servers and open/add your DNS server. Add their DNS servers as separate IPv4 Address Objects:Ģ. Login to the Clavister Security Gateway WebUI.ġ. Setup your Clavister Security Gateway (see the rest of this article) and check your statistics on the OpenDNS web page, using your account. Advanced settings (dynamic IP address, Phishing protection, domain "typo" protection, etc)ħ.Customization (show block page or not etc).Configure your network preferences: On, go to the Home tab, Settings, select your network (you can add multiple), and go through the different types of filtering: Verify your network by clicking a link in a new e-mail from OpenDNS.Ħ. You must also enable "dynamic IP address" when you name your network if this is the case.ĥ. We will need the name of this network as part of the update procedure. If you have a dynamic public IPv4 address, we will use the HTTP Poster feature to keep your current IPv4 address mapped to "your network" at OpenDNS. You may use to find your current IPv4 address. This is the public IPv4 address(es) you are using to reach the Internet and will be used to recognize your site, so they can apply the settings that you have chosen. Open up the Settings in the OpenDNS dashboard and add "your network". Fill in the requested information and activate your account by clicking the link in a e-mail that they send you.Ĥ. Select OpenDNS Home and click Sign up now.ģ. Go to and click Sign in and Get started!.Ģ. It is also possible to use their DNS servers without registering, but then you can't modify the content categories that you want to block or allow etc.ġ. Here we will look at "OpenDNS Home (free)" Depending on the site your are setting this up on (home/school/business/.) they have different solutions available. Start by registering an account with OpenDNS. We will look at how to use their DNS servers in your DHCP server, but also how we can force all outgoing DNS traffic to be redirected to the OpenDNS servers (using SAT+NAT). WebAuth to allow certain users to bypass the OpenDNS servers, and use another, non-filtering, DNS server, should they need it. It is also easy to combine this with e.g. This is a method that is very easy to use and configure, and instantly increases the level of security at a site. Malware will be blocked from "calling home" as the DNS queries will not be resolved. A block page can be displayed in the web browser, if a browser was used to try to reach the "bad" site. OpenDNS (About: ) provides a (free to use), redundant network of DNS servers, which can help you filter out malicious software (malware), unwanted websites etc, by checking the DNS queries your users are performing, and if necessary prevent the users from resolving the "bad" site, thereby blocking access to it. Forcing all outgoing DNS traffic to a OpenDNS server.This document is a quick guide to setting up a test configuration that uses OpenDNS for resolving DNS queries. This description focuses on the WebUI of version 10.20+
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