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4 certificates – 2N Helios IP Configuration Manual v2.8 User Manual

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2N TELEKOMUNIKACE a.s., www.2n.cz

®

a.
b.

c.

d.

5.5.4 Certificates

Some

network services use the Transaction Layer Security (TLS)

2N Helios IP

®

protocol for communication with other LAN devices to prevent third parties from
monitoring and/or modifying the communication contents. Unilateral or bilateral
authentication based on certificates and private keys is needed for establishing
connections via TLS.

The following intercom services use the TLS protocol:

Web server (HTTPS)
E-mail (SMTP)
802.1x (EAP-TLS)
SIP

The

intercom allows you to load up to three sets of trusted certificates,

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®

which help authenticate LAN devices for communication with the intercom, and three
sets of user certificates and private keys for communication encryption.

Each certificate-requiring service can be assigned one of the three certificate sets
available; refer to the

,

and

subsections. The

Web Server

E-Mail

Streaming

certificates can be shared by the services.

2N Helios IP

®

accepts the DER (ASN1) and PEM certificate formats.

Upon the first power up, the intercom automatically generates the Self Signed

for the

and

without forcing you to

certificate and private key

Web Server

E-Mail

load a certificate and private key of your own.

Refer to the tables below for the current list of trusted and user certificates:

Note

If you use the

Self Signed certificate for encryption of the intercom web

server – browser communication, the communication is secure, but the
browser will warn you that it is unable to verify the intercom certificate

validity.