How to find out if your Enterprise Firewall is Blocking Network Traffic

Tuesday, October 2, 2012

Some customers report from time to time that they suspect that the Enterprise Firewall is blocking the Network traffic between VLNS’s  / Segments. However, due the fact that this customers doesn’t have control on the Enterprise Firewall, they cant verify this assumption. As a workaround, you can use the following command to find out if your Enterprise Firewall is blocking the network traffic between VLNS’s / Segments: “netstat 1 -na | find "SYN"” Note: Although the command live above is very useful, some Enterprise Firewall / IPS (Intrusion Prevention System) may limit the information that may obtain from this...
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