Users Guide

1146 | Behavior and Defaults Dell Networking W-Series ArubaOS 6.4.x| User Guide
Port
Number
Protocol Where Used Description
80 TCP AP and
controller
Used for remote packet capture where the capture is
saved on the access point. Provides access to the
WebUI on the controller.
123 UDP controller NTP
161 UDP AP and
controller
SNMP. Disabled by default.
443 TCP controller Used internally for captive portal authentication
(HTTPS) and is exposed to wireless users. A default self-
signed certificate is installed in the controller. Users in a
production environment are urged to install a certificate
from a well known CA such as Verisign. Self-signed certs
are open to man-in-the-middle attacks and should only
be used for testing.
Required for VIA: During the initializing phase, VIA
uses HTTPS connections to perform trusted network
and captive portal checks against the controller. It is
mandatory that you enable port 443 on your network to
allow VIA to perform these checks.
500 UDP controller ISAKMP
514 UDP controller Syslog
1701 UDP controller L2TP
1723 TCP controller PPTP
2300 TCP controller
Internal terminal server opened by telnet soe
command.
3306 TCP controller Remote wired MAC lookup.
4343, 443 TCP controller HTTPS.Both port 4343 and 443 are supported. If port
4343 is used it redirects to port 443. If port 443 is used it
continues to connect using this port. A default self-
signed certificate is installed in the controller. Users in a
production environment are urged to install a certificate
from a well known CA such as Verisign. Self-signed certs
are open to man-in-the-middle attacks and should only
be used for testing
4500 UDP controller sae-urn
Required for VIA: During the initializing phase, VIA
uses HTTPS connections to perform trusted network
and captive portal checks against the controller. It is
mandatory that you enable port 4500 on your network
to allow VIA to perform these checks.