I've been using the Sophos UTM for the past two weeks and it has been a great learning experience and expanded my networking knowledge. I am amazed at all the security features of the UTM and the web protection section alone will prevent anyone in my house from downloading malicious files off the web!
My steepest learning curve is the Firewall section and I am still trying to get a hang of it. I understand that this UTM blocks ALOT of outgoing traffic to the WAN and the admin should manually open ports based on application requirements. I was able to successfully open several ports by reviewing the firewall logs but became stuck such as unable to allow my VOIP phone adapter connect to the external WAN.
In the end, I applied Internal (Network) -> any -> any rule and everything is back to normal, including my problematic VOIP Phone adapter, IPTV box and few other applications. I was worried this might compromise security so performed a few audit such as using EICAR file test website and port scan audit website to find out any vulnerabilities. Fortunately all report came back as a pass so I am wondering for home use, is it okay to use the above rule?
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