Firewall
139
In this example, port 2222 is used rather than the standard SSH port of 22, this is to allow
remote access using SSH to the CyberGuard SG appliance itself, which runs an SSH
server on port 22. So a remote user connects to port 2222 on CyberGuard SG
appliance’s Internet address in order to access port 22 of barry’s server.
The following fields are displayed:
Descriptive Name An arbitrary name for this rule
Enable Uncheck to temporarily disable this rule
Create Packet Filter Rule Create a corresponding packet filter rule to accept
NATed packets, generally leave this checked unless
you want to manually create a more restrictive filter
rule through Rules
This rule is applied to packets that match the critera described by the next four fields.
Destination Address The destination address of the request, this is the
address that is altered
Protocol The protocol of the packet
Ports The destination service port or ports of the request,
note that many public ports may be forwarded to a
single internal port
The next two fields describe how matching packets should be altered.
To Destination Address The address to replace the Destination Address
(this is typically the private address of a host on the
LAN)
Optional To Ports The port to replace Ports, if you leave this blank the
port remains unchanged, otherwise enter the port
on the host at To Destination Address to service
the request
Click Advanced if you want to specify the incoming interface and source address,
otherwise this rule is applied to all WAN interfaces and all source addresses are
matched.
Incoming Interface The interface that receives the request
To Next Page
Loading...
Need help?
General
