Xerox WorkCentre 6400 Bilgi Kılavuzu - Sayfa 18

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Xerox WorkCentre 6400 Bilgi Kılavuzu
device-initiated operations (like scanning) cannot assume the existence of the tunnel unless a print job (or other
client initiated action) has been previously run since the last boot at either end of the connection.

2.8.2. Ports

The following table summarizes all potential open ports and subsequent sections discuss each port in more detail.
Default
Type
Port #
25
TCP
53
UDP
68
UDP
80
TCP
88
UDP
110
TCP
137
UDP
138
UDP
139
TCP
161
UDP
162
UDP
389
UDP
396
TCP
427
UDP
443
TCP
515
TCP
631
TCP
1900
UDP
3003
TCP
9100
TCP
Please note that there is no ftp port in this list. ftp is only used to export scanned images and to retrieve Scan Job
Templates, and will open port 21 on the remote device. An ftp port is never open on the controller itself.
2.8.2.1.
Port 25, SMTP
This unidirectional port is open only when Scan to E-mail or Internet Fax (I-Fax) is exporting images to an SMTP
server, or when email alerts are being transmitted. SMTP messages & images are transmitted to the SMTP server
from the device.
2.8.2.2.
Port 53, DNS
Designating a DNS server will allow the device to resolve domain names. This can be configured via the LocalUI or
WebUI.
2.8.2.3.
Port 68, DHCP
This port is used only when performing DHCP, and is not open all of the time. To permanently close this port, DHCP
must be explicitly disabled. This is done in User Tools via the Local User Interface or via the TCP/IP page in the
Properties tab on the WebUI.
2.8.2.4.
Port 80, HTTP
Ver. 1.00, May 2010
XEROX WorkCentre 6400 Information Assurance Disclosure Paper
Service name
SMTP
DNS
BOOTP/DHCP
HTTP
Kerberos
POP-3 client
NETBIOS- Name Service
NETBIOS-Datagram Service; SMB filing and Scan template retrieval
NETBIOS; SMB filing and Scan template retrieval
SNMP
SNMP trap
LDAP
Netware
SLP
SSL
LPR
IPP
SSDP
http/SNMP reply
raw IP
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