Posted in 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…

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Posted in Firewall Non classé

Fortigate : Dedicate an interface to Management purpose

This post can help you to configure dedicated management interface in a HA environment and a fortimanager

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Posted in Firewall networking

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,…

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Posted in Firewall networking

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…

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Posted in Firewall

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….

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Posted in Firewall networking

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…

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Posted in Firewall networking

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…

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Posted in Firewall

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,…

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Posted in Firewall

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…

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Posted in Firewall

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,…

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