User's Manual Part 2

Connectivity
Chapter 13: Troubleshooting 287
need the
d as a replacemen u
itional functionali
ssible, disable NAT in the router. Ref
mentation for instructions on how to
• MZ Computer” or “E set
fice appliance’s external
• llowing ports in the NAT d
500
• TCP 256
otocol 50
I ca or video calls through the Safe@Office appliance.
Wh
T ou must configure an
s Configuring Serv
er at home but it cann m the
Internet. What should I do?
C or instru s on
p
I cannot connect to the LAN network from the DMZ network. What should I
do
B m the DMZ ne network are
b fic from the DMZ t appropriate
f s, see Using Rul
• Consider whether you really router. The Safe@Office
appliance can be use
need it for some add
t for your router, unless yo
ty that it provides, such as
Wireless access.
• If po
docu
er to the router’s
do this.
If the router has a “D xposed Host” option,
it to the Safe@Of IP address.
Open the fo evice:
• UDP 9281/9282
• UDP
• TCP 264
• ESP IP pr
• TCP 981
nnot receive audio
at should I do?
o enable audio/video, y
erver. For instructions, see
IP Telephony (H.323) virtual
ers on page 152.
I run a public Web serv ot be accessed fro
onfigure a virtual Web Server. F
age 152.
ctions, see Configuring Server
?
y default, connections fro
locked. To allow traf
twork to the LAN
o the LAN, configure
irewall rules. For instruction es on page 154.