Westermo RedFox Series - Manual (Page 757)

Westermo OS Management Guide
Version 4.17.0-0
E0 Disable Echo
Q0 Set Quite mode off
V1 Set Verbose mode on
&C1 Set DCD to follow the state of a carrier
&S0 Set DSR signal to follow mode (data or command)
S0=0 Disable auto-answer
&W Save settings
Table 33.1: Breakdown of the initialisation string.
The dial string is not used when connecting via a null modem cable.
33.1.5 PPP Authentication Support
PPP enables you to authenticate yourself to your peer. This is typically needed
when using PPPoE to connect to your ISP. To accomplish this,you add your cre-
dentials (identity/username and password) to you PPP configuration.
PPP also enables you to authenticate your peer, which is useful when you pro-
vide a dial-in service, but can also be used for dial-out. As of WeOS v4.17.0,
a local database list (see
section 21.1.2 ) can be configured with credentials of
authorised peers. Later releases of WeOS may include PPP support for backend
authentication, e.g., via RADIUS. Peer authentication is by default Disabled.
WeOS supports authentication using the password authentication protocol (PAP[ 20 ])
and challenge handshake authentication protocol (CHAP), including regular CHAP[ 35 ],
MS-CHAP[ 56 ] and MS-CHAPv2[ 55 ]. By default all authentication protocols are
available, but it is possible to specify which protocol(s) to use 4 . In WeOS the
same set of authentication protocols are available for authenticating yourself to
the peer as for the peer to authenticate to you.
When using MPPE to encrypt your PPP session (see section 33.1.6 ), use of MS-
CHAPv2 or MS-CHAP is required.
4 If more than one protocol are available, a WeOS unit will propose protocols in the following
preference order: CHAP, MS-CHAPv2, MS-CHAP, and finally PAP.
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