Configuring Protocols
63
User’s Guide: Version 1.2
source port, for the destination port it uses the number the server offers
the service on. The server sends IP packets with the port numbers re-
versed in respect to the client. A simplified ftp connection might look like
this.
ip.accesslist.ad
Use this menu to create an Allow or Deny access entry. Depending on the
Mode set for the entry, the packet will be routed or dropped.
Mode
= Allow or deny the following packets to be routed.
Protocol
= Set the protocol to match, or “any” to match all protocols.
Source Interface/Partner
= Select the interface (or partner) to moni-
tor incoming IP frames on. Set to “any” to monitor all interfaces.
V!CAS Setup Tool
BinTec Communications GmbH
[
IP
][
ACCESS
][
ADD
]
: Add or Change Access List Entry
vicas
Mode
deny
Protocol
any
Source Interface/Partner dialup1
Source Address
Source Mask
Source Port
specify range
Specify Port
5
to Port
100
Destination Address
Destination Mask
Destination Port
specify
Specify Port
23
SAVE
CANCEL
Use <Space> to select
199.1.1.1
200.1.1.2
ISDN
Src Addr Src Port Dest Addr Dest Port
ftp
client
21
200.1.1.2
<xyz>
199.1.1.1
Src Addr Src Port Dest Addr Dest Port
<xyz>
199.1.1.1
21
200.1.1.1
➋
ftp
server
➊
IP
A
CCESS
L
ISTS
ADD
