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G&R

RESTRICT - Parameter Restrictions

RESTRICT [-FILTER filter]

Gline parameter list

[Gline parameter list]

Defines Gline parameters that should be restricted from general use. If a filter is

specified then only those that are permitted by it are subject to the restrictions.

While this may seem backwards at first glance it was done this way so that all

the directives can be read the same way, namely that the directive is visible

only if the filter specified returns the client as permitted. You can specify an

unlimited number of RESTRICT parameters and they will all be processed.

Each Gline parameter list line within a RESTRICT is independent of

the others. All Gline parameters in a Gline parameter list line need to

be matched by options given by the client for the restriction to take effect. An

asterisk (*) can be specified as a wild card to match any parameter value.

Restrictions are only checked against parameters specified directly by clients,

not against parameters specified in other parts of the dsa.cfg file.

Examples:

* Absolutely nobody is allowed to use his/her own SCID.

restrict

-scid *

* Those permitted through the remote_users filter are not allowed

* to use any pair of -scid or -dmb options, nor allowed to

* use the -ln option.

restrict -filter remote_users

-scid * -dmb *

-ln *

filter remote_users

* note that this filter allows all IP addresses

* so the restrict above applies to all remote users

permit TCP *

FILTER - Access Filter

FILTER name

...

Defines a filter for security screening. A filter is a list of one or more lines,

each starting with PERMIT or DENY. Each line is checked in sequence until a

match is found, then the permit/deny status of that line is returned. There’s an

implicit line to deny everything at the end of the definition. Local clients

Gline Line Handlers and Configuration

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Eicon Networks CX1 Installationshandbuch Seite 92