company A user cannot connect to company B machine using RDP (public IP)

Question

from internal network i am trying to connect to one pc with rdp using public IP but it did not connect.

i have created IPV4 rule source=> LANuser, destination => Public IP, Port => 3389

telnet to above public IP worked well but remote desktop not working,

if i connect from public internet it worked but from office network it wont work,

what should be done in fortigate to connect through remote desktop?

tthrilok · Answer

Hi Crypt_ak,

From the description I understand you are trying to take RDP of a machine on its public IP. You are able to telnet public IP it worked, but the RDP is not working.

+ Could you confirm if the telnet was done on the port 3389

+ What are the services allowed in the firewall policy

+ Please check if there are any UTM profiles on the firewall policy, please try to disable them and test

>> You may enable log "All Sessions" in the policy for test purpose and check the logs "Log&Report>Forward Traffic"

++ Please keep us posted!

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