Cisco OL-4015-08 User Manual page 572

Services and Ports
TCP Service
lpd
nntp
pim-auto-rp
pop2
pop3
smtp
sunrpc
syslog
UDP Services
UDP Service Port Number
biff 512
bootpc 69
bootps 67
discard 9
dnsix 195
domain 53
echo 7
isakmp 500
mobile-ip 434
nameserver 42
netbios-dgm 138
Cisco Router and Security Device Manager Version 2.2 User's Guide
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Port Number Description
515 Line Printer Daemon. A protocol used to send print jobs
between UNIX systems.
119 Network News Transport Protocol.
496 Protocol-Independent Multicast Auto-RP. PIM is a multicast
routing architecture that allows the addition of multicast IP
routing on existing IP networks.
109 Post Office Protocol v2. Protocol that client e-mail applications
use to retrieve mail from mail servers.
110 Post Office Protocol v3
25 Simple Mail Transport Protocol. Internet protocol providing
e-mail services.
111 SUN Remote Procedure Call. See rpc.
514 System log.
Description
Used by mail system to notify users that new mail is received
Bootstrap Protocol (BOOTP) client
Bootstrap Protocol (BOOTP) server
Discard
DNSIX security protocol auditing
Domain Name Service (DNS)
See echo.
Internet Security Association and Key Management Protocol
Mobile IP registration
IEN116 name service (obsolete)
NetBios datagram service. Network Basic Input Output System. An API
used by applications to request services from lower-level network
processes.
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OL-4015-08