The limit of authenticatioin request from public operator to 3CX pbx before get to IP Black list

[Alcasys]

Pleas, how is possible manage on 3CX system min. and max . request of SIP autentication from public operator before get their IP@ to IP Black list in 3CX pbx ?
Thank for explain

Petr Halberstat

 

[Alphabetic]

Have you looked in the anti hacking section from the MGMT console?

 

[Alcasys]

Ok, it is truth this management ?
Failed Challenge Requests (407)
DOS attacks can send REGISTER requests but do not reply to Challenge (407). Configure the amount of "fake"requests that 3CX will accept per IP Address before blacklisting the IP
1000

 

[SteveITS]

If your provider is getting blacklisted, you can add their IP(s) as an Allow entry.