SSL.Anonymous.Ciphers.Negotiation

[shabir_61]

Dear All,  Hope you are doing all well . i am getting below syslog alert message every second . This is happening from LAN to WAN .i just want to know what is causing the issue and how i can disable SSL.Anonymous.Ciphers.Negotiation in firewall .Moreover we are not using any kind of VPN in the firewall . Please help me to fix this issue .     srcintf="Trust" srcintfrole="lan" dstintf="wan1" dstintfrole="wan" sessionid=86607577 action="dropped" proto=6 service="SSL" policyid=1 attack="SSL.Anonymous.Ciphers.Negotiation" srcport=37289 dstport=443 url="/" direction="outgoing" attackid=43544 profile="default" ref="http://www.fortinet.com/ids/VID43544" incidentserialno=218800803 msg="applications3: SSL.Anonymous.Ciphers.Negotiation,"

[Duncan]

Yeah, I got this. In our case it was Microsoft Teams. I disabled the IPS signature.

[link]https://forum.fortinet.com/tm.aspx?m=188005[/link]

[shabir_61]

SSL.Anonymous.Ciphers.Negotiation

Dear All,  Hope you are doing all well . i am getting below syslog alert message every second . This is happening from LAN to WAN .i just want to know what is causing the issue and how i can disable SSL.Anonymous.Ciphers.Negotiation in firewall .Moreover we are not using any kind of VPN in the firewall . Please help me to fix this issue .     srcintf="Trust" srcintfrole="lan" dstintf="wan1" dstintfrole="wan" sessionid=86607577 action="dropped" proto=6 service="SSL" policyid=1 attack="SSL.Anonymous.Ciphers.Negotiation" srcport=37289 dstport=443 url="/" direction="outgoing" attackid=43544 profile="default" ref="http://www.fortinet.com/ids/VID43544" incidentserialno=218800803 msg="applications3: SSL.Anonymous.Ciphers.Negotiation,"

[shabir_61]

Dear All,

I just want to know how and where to disable this in Fortinet Firewall 101F.  Please find attached snap shot and  help me to resolve this issue .

Thank you,