Troubleshooting a @JuniperNetworks SRX Flow

How I troubleshoot on an SRX Prerequisite: Log Everything! Look for logs If you see denied logs, the SRX is not allowing the flow. Check the policy configuration: Make sure this traffic is hitting the correct policy Change the policy or reorder policies to allow the traffic If you see permitted logs, the SRX is … Continue Reading

iMessage and FaceTime behind a Firewall

If you have a bunch of Apple devices behind a firewall.  You’ve probably noticed that people are complaining that they can’t send iMessages or place/receive FaceTime calls.   You’ll need to open up a few ports to allow this activity. Facetime TCP 80 TCP 443 UDP 3478 – 3497 TCP 5223 UDP 16384 – 16387 … Continue Reading

Juniper SRX Troubleshooting Library

After extensive and exhaustive troubleshooting of Juniper SRX’s and realizing there really isn’t a comprehensive “go to manual” for command information, I decided to create one!   Click Here to Download the SRX Troubleshooting Command Library.v3