26
List of Protocols and Port Numbers
Used by VN-V25U/26U
VN-V25U/26U uses the protocols and port
numbers listed below. Ensure that these ports
are allowed through the firewall when a firewall
is to be installed.
Network Requirements
(continued)
Protocol/Port No.
Purpose of Use
Source
TCP/80
JPEG/MPEG4
acquisition, Web
Settings page, API,
Sending/Receiving
audio (VN-V26U
only)
TCP/10020
TCP/10021
TCP/10023
(Reserved for
adjustment)
TCP/32040
Alarm server
Destination
TCP/20, 21
FTP
TCP/25
Mail delivery
TCP/110
POP (Mail Delivery)
TCP/User Setting No.
Sending alarm
UDP/123
SNTP
UDP/User Setting No.
Sending alarm
VN-V25U_26U_EN.book Page 26 Friday, January 18, 2008 2:56 PM