Problem to have acces to server behind a fortigate

[Alex2]

Hello,

Hope you are fine

I have a problem to access a private IP server 172.31.X.X/20 behind a fortigate which has the public IP 1111.1111.1111.1111/32 and my server is supposed to be an smpp server but I can't have access from then outside, I configured the virtual IP to redirect incoming traffic on the public IP to my server at the corresponding port.

Please I really need help.

PS: I configured a VPN which works normally with private addresses but our client only works with public addresses 

[abarushka]

Hi,

I suspect that you collected debug flow traces for IPsec rather than VIP.

id=65308 trace_id=1004 func=print_pkt_detail line=5939 msg="vd-root:0 received a packet(proto=17, x.x.x.x:4500-> lan port:4500) tun_id=0.0.0.0 from WAN (port 4500 is used by IPsec)

[Alex2]

yes i have set up a vpn with the client and everything is working fine the client smpp servers on port 2777 and server are communicating normally but the client wants to use ip addresses for security so in the config of the smpp they have to enter the public IP address of our server. and they did it but it doesn't work but when we do the tests with the private IPs it works.
So we want to give the public server ip which is behind fortigate to our client for smpp configurations

[abarushka]

Hello,

Debug flow traces should be collected once the issue is triggered. Otherwise the root cause of the issue won't be clear.