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V6100 and V7122 User Guide
325
C
HAPTER
13:
S
ECURITY
This section describes the security mechanisms and protocols implemented on the V7122.
The following list specifies the available security protocols and their objectives:
IPSec and IKE protocols are part of the IETF standards for establishing a secured IP
connection between two applications. IPSec and IKE are used in conjunction to provide
security for control and management protocols but not for media (see
IPSec and IKE
).
SSL (
Secure Socket Layer) / TLS (Transport Layer Security) – The SSL / TLS protocols
are used to provide privacy and data integrity between two communicating applications
over TCP/IP. They are used to secure the following applications: SIP Signaling (SIPS),
Web access (HTTPS) and Telnet access (see
SSL/TLS
).
Secured RTP (SRTP) according to RFC 3711, used to encrypt RTP and RTCP transport
(see
SRTP
).
RADIUS
(Remote Authentication Dial-In User Service) - RADIUS server is used to enable
multiple-user management on a centralized platform (see
RADIUS Login Authentication
).
Internal Firewall allows filtering unwanted inbound traffic (see
Internal Firewall
).
IPSec and IKE
IPSec
6
and IKE protocols are part of the IETF standards for establishing a secured IP
connection between two applications (also referred to as peers). Providing security services
at the IP layer, IPSec and IKE are transparent to IP applications.
IPSec and IKE are used in conjunction to provide security for control and management (e.g.,
SNMP and Web) protocols but not for media (i.e., RTP, RTCP and T.38).
IPSec is responsible for securing the IP traffic. This is accomplished by using the
Encapsulation Security Payload (ESP) protocol to encrypt the IP payload (illustrated in
Figure 110
). The IKE protocol is responsible for obtaining the IPSec encryption keys and
encryption profile (known as IPSec Security Association (SA)).
6
Using IPSec reduces the channel capacity of the V7122 / TP-1610 by 24 channels.
Summary of Contents for V6100
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