![]() ![]() This section covers each step from the flowchart in turn as follows: Troubleshooting Connectivity Through the Firewall The troubleshooting connectivity through the firewall flowchart is based on the general troubleshooting checklist but has been modified for this specific situation.įigure 13-2. A good approach to troubleshooting connectivity through the firewall is to use the flowchart in Figure 13-2. There are any number of reasons for this, but the most common reasons involve problems with the firewall ruleset, problems with the firewall translation tables, problems with Network Address Translation (NAT), or problems with how the application communicates over the network. No matter how well planned, tested, and implemented, sooner or later you will run into problems accessing resources through the firewall. ![]() To assist in troubleshooting these situations, implement your firewall troubleshooting checklist as it applies to the scenario in question. Understanding this, you can further narrow down the process to two things: Uploading app distribution files from a local server.Three predominant situations with firewalls require some form of troubleshooting:Īccess to protected resources from unprotected networks is not functioning correctly.Īccess to unprotected resources from protected networks is not functioning correctly.Īccess to the firewall itself is not functioning correctly.The following features will work without an Internet connection: SEP FIREWALL IS NOT FUNCTIONING CORRECTLY HOW TO
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