SWG
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20XX
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4S Wireless Gateways User Manual
63
Table 4-3-5 Instruction of Security
Options
Definition
Match Auth Username
If available, match user entry using the 'username' field
from the authentication line instead of the 'from' field.
Realm
Realm for digest authentication. All realms must be
globally unique according to the RFC3261 standard and
can generally be set to hostname or domain name.
Use Domain as Realm
Use the domain from the SIP Domains setting as the
realm.
Always Auth Reject
When an INVITE or REGISTER request is rejected for any
reason, the same reason is always used, the username
is legal but the password is incorrect. It does not tell the
requester whether there is this user or peer, which will
reduce the possibility of the attacker scanning the SIP
account. This parameter is enabled by default.
Authenticate Options
Requests
Enabling this option will authenticate OPTIONS requests
just like INVITE requests are. By default this option is
disabled.
Allow Guest Calling
Allow or reject customer calls (default yes, allowed). If
your gateway is connected to the Internet and allows
customers to call, you want to check which services are
available to everyone, by enabling them in the default
context.