Specifications

OmniAccess Reference: AOS-W System Reference
56 Part 031652-00 May 2005
Default Open Ports
By default, Alcatel Wireless LAN Switches and Access Points treat ports as
being untrusted. However, certain ports are open by default. To maintain
security, these default open ports are only open on the trusted side of the
network. These open ports are listed in Tab l e 5 -1 below.
TABLE 5-1 Default (Trusted) Open Ports
Port
Number
Protocol Where Used Description
17 TCP Wireless
LAN
Switch
This is use for certain types of
VPN clients that accept a banner
(QOTD). During normal operation,
this port will only accept a
connection and immediately
close it.
21 TCP Wireless
LAN
Switch
FTP server for AP6X software
download.
22 TCP Wireless
LAN
Switch
SSH
23 TCP AP and
Wireless
LAN
Switch
Telnet is disabled by default but
the port is still open
53 UDP Wireless
LAN
Switch
Internal domain
67 UDP AP (and
Wireless
LAN
Switch if
DHCP
server is
configured
)
DHCP server