Westermo MRD-3x0 - Manual (Page 66)

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5.1.3 Connection tracking options
The firewall can be configured to optionally provide connec-
tion tracking and NAT support for a number of additional
protocols. The protocols are listed in Table 1.
To enable support for a protocol, click the checkbox for the
protocol and press Update.
Protocol Description
FTP Adds support for active mode File Transfer
Protocol
TFTP Adds support for the Trivial File Transfer
Protocol
H.323 Adds support for the H.323 voice and videocon-
ferencing protocol
PPTP Adds support for the Point-to-point Tunneling
Protocol
IRC Adds support for the Internet Relay Chat pro-
tocol
Table 1Firewall Connection tracking options