Eicon Networks CX1 Manuel d'installation télécharger pdf (Page 93)

G&R

running Qsim, V78sim etc. will match filter lines with LOCAL specified.

Local clients are the Host Links products on the system that owns the

/usr/gar (UNIX/Linux) or \gar (Windows) directory, or on other systems

that mount it over the network. Clients coming in through Ggate will match

filter lines with TCP specified. Any client will match filter lines with APPL

specified.

TCP expression:

The expression is IPaddress[/bits]. The /bits part specifies how

many bits of the IP-address will be used during matching. The default is 32, i.e.

use the entire IP-address. If you want to permit/deny the whole of a class C

network specify 24 bits. For the whole of a class B network specify 16 bits.

For the whole of a class A network specify 8 bits. The asterisk (*) matches

anything. Only clients coming into Ggate will match TCP filters.

LOCAL expression:

The expression is the system’s UNIX/Linux or Windows communications node

name. NB! it is not the DSA node name. This name can be displayed using the

command uname –n on UNIX/Linux systems, and displayed in the Network

section of the control panel on Windows server systems. Any application

running on a system with this communications node name will match the

expression. An asterisk (*) matches any communications node name. A specific

expression is only needed when you filter applications running on one of

several systems sharing a single dsa.cfg on a file server.

APPL expression:

The expression is one of Glink, Qsim, V78sim, Pthru, G3270, G5250,

Padcon, Gmailer, Gspool, GUFT, GUFTSRV or Unknown.

filter block_remote

permit local * # implicitly denies remote

filter allow_ip

deny tcp 192.150.211.4 # first deny one terminal

permit tcp 192.150.211.0/24 # allow rest of CLASS C network

permit tcp 18.0.0.0/8 # allow a class A network

permit tcp 128.38.0.0/16 # allow a class B network

filter allow_qsim

permit appl qsim # applies to anyone using Qsim

Gline Line Handlers and Configuration

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Eicon Networks CX1 Manuel d'installation Page 93