Mac Services - Siemens SIMATIC NET SCALANCE SC-600 Configuration Manual

Configuring with Web Based Management
4.7 "Security" menu
4.7.5.9

MAC services

You define MAC services on this WBM page. Using the MAC service definitions, you can
define firewall rules for specific services. You select a name and assign the service
parameters to it. Simply use this name when you configure the MAC rules.
Description
The page contains the following:
• Name
Enter a name for the MAC service. The name must be unique.
• Protocol
Selection of the protocol type:
320
Protocol Description
ARP Frames with the following property: Ethertype=0x0806
DCP The DCP protocol is used by SINEC PNI to set the IP parameters (node
initialization) of SIMATIC NET network components.
PNIO Frames with the following property: Ethertype = 0x8892
ISO Frames with the following properties: Lengthfield <= 05DC (hex),
DSAP=userdefined, SSAP=userdefined, CTRL=userdefined
SNAP Frames with the following properties: Lengthfield <= 05DC (hex),
DSAP=0xAA (hex), SSAP=0xAA (hex), CTRL=0x03 (hex), OUI=userdefined,
OUI-Type=userdefined
Users User-specific rules with the following inputs:
Type: >=0x0600
Length: <= 0x05DC
SiClock For filtering SiCLOCK time-of-day frames.
IPv4 Frames with the following property: Ethertype=0x0800
SCALANCE SC-600 Web Based Management (WBM)
Configuration Manual, 10/2021, C79000-G8976-C475-03