Technical information
Network Security White Paper ver. G.1.2
Page 37 of 72
3-2 Related Protocols
Protocol
Protocol
Suite
Commonly
Used Port
Num.
Description of the protocol’s function in the Products.
IP TCP/IP - -
ICMP TCP/IP
Protocol
Num. 1
-
UDP TCP/IP
Protocol
Num. 17
-
TCP TCP/IP
Protocol
Num. 6
-
FTP-data TCP/IP 20/tcp, udp
FTP-control TCP/IP 21/tcp, udp
1) Sending scan data to the FTP server. (Scan to FTP)
2) Sending scan data to ScanRouter
SMTP
TCP/IP,
IPX/SPX
25/tcp, udp 1) Sending scan data to the SMTP server. (Scan to E-mail)
Domain
(DNS)
TCP/IP 53/tcp, udp 1) Resolving IP addresses from the server name.
BOOTP
DHCP
TCP/IP
67/tcp, udp
68/tcp, udp
1) Getting IP addresses and other network parameters from the
DHCP server.
POP TCP/IP 110/tcp, udp
1) Using POP before SMTP authentication for ‘Scan to E-mail’.
2) Receiving internet-fax data.
SNTP TCP/IP 123/tcp, udp 1) Getting UTC from the NTP server.
NETBIOS-N
S
137/tcp, udp
NETBIOS-D
GM
138/tcp, udp
NETBIOS-S
SN
TCP/IP,
IPX/SPX,
NetBEUI
139/tcp, udp
1) Sending scan data to SMB clients. (Scan to SMB)
IMAP TCP/IP 143/tcp, udp 1) Getting internet-fax data
SNMP-trap
TCP/IP,
IPX/SPX
162/tcp, udp 1) Sending status information to Network Management Server.
LDAP TCP/IP 389/udp, tcp
1) Searching e-mail addresses from the LDAP server’s address
book.
syslog TCP/IP 514/udp 1) Sending system logs to a syslog server.
NCP
TCP/IP,
IPX/SPX
524/tcp, udp
1) Logging in to a Netware server.
2) Printing from the Netware environment.
SLP TCP/IP 427/tcp, udp 1) Searching for a Netware Server.
IPX IPX/SPX - 1) Providing ipx connections
SPX IPX/SPX - 1) Providing spx connections
SAP IPX/SPX - 1) Broadcasts to availability of print services.