Hello everybody!
I'd like to heard from those with more experience in Security if the
following configuration is a good attempt to prevent hack:
exten => CALLER,2,Set(header=${SIP_HEADER(User-Agent)})
exten => CALLER,3,NoOp(Cabecalho ${header})
exten => CALLER,4,GotoIf($["${header}"= "My User Agent"]?6:7)
Considering I have only one type of IP phone in my scenario.
I know, somebody with another IP phone will succeed in dial on my asterisk but
I think it will limit at one only kind of IP phone.
My question is , if there are some way to break it and use any kind of User
Agent despite this configuratio.
Att,
Flavio Roberto Miranda
MSN:[email protected]
Skype: flaviormiranda --
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