Fortigate 60 - VPN Connection Attempts

[vasugk]

Hello,

We have these type alert messages every day.  Any one can guide us how to block these type VPN  connection attempts.

"date=2018-04-20 time=11:03:03 devname=FGT60D4614056186 devid=FGT60D4614056186 logid=0101037128 type=event subtype=vpn level=error msg="progress IPsec phase 1" action=negotiate remip=216.218.206.110 locip=192.168.2.2 remport=29671 locport=500 outintf="wan1" cookies="3e35c70729dfedef/0000000000000000" user="N/A" group="N/A" xauthuser="N/A" xauthgroup="N/A" vpntunnel="N/A" status=failure init=remote mode=main dir=inbound stage=1 role=responder result=ERROR"

Regards,

Srini