This is an old problem - often called registration hijacking.
After authentication, use check_to() for REGISTER and check_from() for
all other SIP requests.
regards
klaus
Marc LEURENT schrieb:
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Hash: SHA1
I have a security matter with my configuration (default one), it's possible to
register using login/password and to set anything in the contact field.
So if you have an account 106/password, it's possible to be 105 in the location
database!
How is it possible to deny that kind of matter..? Thanks
Is it useful to use: method_filtering of the REGISTRAR module
Or is it better to so something whith the values below and a compare function??
$ct - reference to body of contact header
$ar - realm from Authorization or Proxy-Authorization header
$au - username from Authorization or Proxy-Authorization header
if ($ct != [EMAIL PROTECTED]) {
sl_send_reply("403", "User and login must be the same");
};
Best Regards,
Marc LEURENT
#
U 82.127.0.79:1045 -> 88.191.45.91:5060
REGISTER sip:sd-7501.dedibox.fr;user=phone SIP/2.0.
Via: SIP/2.0/UDP 82.127.0.79:1046;branch=z9hG4bK5808036470869310420.
From: <sip:[EMAIL PROTECTED]:5060;user=phone>;tag=c0a80101-38c0e7.
To: <sip:[EMAIL PROTECTED]:5060;user=phone>.
Call-ID: [EMAIL PROTECTED]
CSeq: 90 REGISTER.
Max-Forwards: 70.
Expires: 3600.
Contact: <sip:[EMAIL PROTECTED]:1046;user=phone>.
Authorization: Digest username="106", realm="sd-7501.dedibox.fr",
nonce="46dfceb402cad04812873b855bc50ea65aa99ed5", uri="sip:sd-7501.dedibox.fr",
response="7dca83fd358a9aea3a963f4a71ea5c9e", algorithm=MD5, qop=auth,
cnonce="38c102", nc=00000001.
User-Agent: THOMSON ST2030 hw0 fw1.56 00-0E-50-4E-AF-C4.
Allow-Events: refer,dialog,message-summary,check-sync,talk,hold.
Content-Length: 0.
.
AOR:: 105
Contact:: sip:[EMAIL PROTECTED]:1046;user=phone Q=
Expires:: 194
Callid:: [EMAIL PROTECTED]
Cseq:: 92
User-agent:: THOMSON ST2030 hw0 fw1.56 00-0E-50-4E-AF-C4
Received:: sip:82.127.0.79:1045
State:: CS_SYNC
Flags:: 0
Cflag:: 192
Socket:: udp:88.191.45.91:5060
Methods:: 4294967295
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