semaphore TBOX LT2-530 Series, Руководство пользователя, Страница: 105 / 197

Version : 1.09 105
11.2. Firewall
To access Firewall rules, make sure you have activated Firewall from the “RTU properties” ->
“IP security” (see chapter 7.4)
Two kinds of rules can be applied:

Input: to prevent incoming access

Forward: to prevent access when TBox configured in IP forwarding
11.2.1. Firewall “Input”
When Firewall has been activated from the RTU properties, all incoming accesses to TBox are blocked.
Outgoing connections, like sending mail or files are not affected.
By defining rules, you will control access for displaying HTM files, for access with TWinSoft, with SSH
console, ....
A rule defines an exception:
it gives access to
TB
OX
MS
based on:


Service


Protocol


TCP Port


IP address(es)


Communication Port

Mac address
Services:
Any: all IP services have access to TBox. You filter access based on source IP only (see
below).
Custom: you select the protocol and the TCP port yourself (see below).
ModBus, FTP, HTTP, HTTPS: server services available in TBox. Protocol is set by default to
"TCP" and the port as defined in "RTU properties" -> "Advanced TCP /IP".