Category: Firewall
IPSEC proposal missmatch
I think it is interesting to know which error you will be facing if you don’t configure correctly your VPN IPSEC phase 1. You have…
Fortigate : Dedicate an interface to Management purpose
This post can help you to configure dedicated management interface in a HA environment and a fortimanager
Find who did something on fortigate Firewall
You know how it is when you are working in IT. Suddently, something goes wrong and nobody has touch nothing on any equipment.It appears, sometimes,…
High CPU usage on Fortigate
I was facing an issue with a cluster of two FGT 100D in 6.2.2. Event log was mentioning that CPU was high between 85 and…
Call quality issue Sophos SG
Customer was having a problem with calls initiated with teams and skype desktop application.The problem was specific to the audio and in only one way….
Polycom videoconf and Fortigate issue
Another day, another problem to solve in network engineer day. So today, we have a customer with a fortigate in 6.2.2 version and a visioconf…
Server load balancing on Fortigate
One of our customer asked us to provide a redundancy for a PAM solution distributed over 2 locations. The two servers was already in active-active…
Configuring transparent proxy on fortigate
Today I will write about implicit proxy configuration on fortigate in 6.2 version. I had quite a lot of problem when configuring it on lab,…
Troubleshooting transparent proxy on fortigate
Several command are available to diagnose issue when using this function on fortios.Traditionnal diag debug flow may be irrelevant if proxy policy is blocking the…
Sophos Firewall and DHCP relay
Appears to be an easy task at the first glance, enabling DHCP relay on a Sophos firewall can be a little bit “tricky”. First thing,…