Hi,
On FortiGate, an IPsec Tunnel is configured to the AWS site-to-site VPN, which is the only configuration to communicate to the outside.
However, I have found some internet-service-name configs(ISDB) unintentionally rewrote like FortiGuard synchronized updates.
I wonder why this FortiGate can communicate with FortiGuard under the condition that IPsec Tunnel to the AWS site-to-site VPN is the only way and.
The configuration is like this:
---
config firewall policy
edit 1
set srcintf "LAN"
set dstintf "AWS_Tunnel"
set action accept
set srcaddr "all"
set dstaddr "all"
set schedule "always"
set service "ALL"
---
I would really appreciate if anyone gives an advice.
Thank you,
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Are you asking how Fortigate communicate with Fortiguard even though you don't have a policy to allow that?
if that's the question, then the fortiguard communication is a system generated/originated traffic and it don't require a firewall policy, it just needs the active route. The firewall policy is for traffic passing through the firewall not for the traffic originated or destined to the device.
Feel free to correct me if I misunderstood your question.
the reason why this FortiGate can communicate with FortiGuard under the condition that IPsec Tunnel to the AWS site-to-site VPN is the only way is because of the firewall policy configuration that allows traffic from the LAN network to be transmitted over the VPN tunnel.
Are you asking how Fortigate communicate with Fortiguard even though you don't have a policy to allow that?
if that's the question, then the fortiguard communication is a system generated/originated traffic and it don't require a firewall policy, it just needs the active route. The firewall policy is for traffic passing through the firewall not for the traffic originated or destined to the device.
Feel free to correct me if I misunderstood your question.
Suraj,
Your reply has cleared all my questions.
Thank you for your reply!!
Thanks for the reply.
But, according to the configuration, the transmission over the IPsec VPN tunnel is limited to AWS site-to-site VPN, not FortiGuard.
Thank you,
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