semaphore TBOX LT2-530 Series, User Manual, Page: 106 / 197

Version : 1.09 106
Protocol: If you have selected "Custom" as service (see above):
Any: all protocols (UDP, TCP, ICMP) have access to TBox. You can filter access based on TCP
port and/or source IP (see below).
UDP, TCP, ICMP: you select the protocol yourself.
PING protocol is supported by
TB
OX
LT2
. It works on ICMP protocol for which there is no
TCP port
Port:
When selecting a "Custom" service, you can type a TCP port.
When selecting a specific service, the TCP port is automatically set as defined in "RTU
properties" -> "Advanced TCP /IP".
Source:
Any: Any source IP address can access TBox.
Single: you type a unique IP address.
Subnet: you type an IP address and a subnet mask, to filter on a group or IP addresses.
Examples:
IP: 172.25.110.0 Subnet: 255.255.255.0 ALL IP addr. in the range 172.25.110.xxx
IP: 172.25.110.80 Subnet: 255.255.255.224 ALL IP addr. in the range 172.25.110.64...96
Connected Ports: Select in the IP ports available in the
TB
OX
LT2
the port you want to
Activate: Uncheck the box in case you don't want the rule to be applied but don't want to delete the
rule neither.
Example of Rules
Once created, the rules appear in the list.
The order has no importance.
Access authorized:
1. ModBus-TCP on COM3 from IP 172.25.110.80 only
2. HTTP on COM3 from any IP in the range 172.25.110.xxx
3. SSH on COM3 from 172.25.110.80 only
4. FTP Server on COM3 from any IP
5. PING on COM3 from any IP
6. HTTPS only on COM4 (3G) from any IP