User guide

CHAPTER 3: Services and Ports

36 WatchGuard Firebox System 6.0

ipx 213 TCP/UDP IPX

imap3 220 TCP/UDP Interactive Mail Access Protocol v3

fln-spx 221 TCP/UDP Berkeley rlogind with SPX auth

rsh-spx 222 TCP/UDP Berkeley rshd with SPX auth

backweb 371 UDP BackWeb

ulistserv 372 TCP/UDP Unix Listserv

netware-ip 396 TCP/UDP Novell Netware over IP

biff 512 UDP Used by mail system to notify users

exec 512 TCP Remote process execution

who 513 UDP Maintains databases showing who’s who

cmd 514 TCP Like exec, but automatic

syslog 514 UDP logging facilities

printer 515 TCP/UDP Spooler

talk 517 TCP/UDP Talk protocol

ntalk 518 TCP/UDP another Talk

utime 519 TCP/UDP Unixtime

router 520 UDP RIP local routing process (on site)

timed 525 TCP/UDP Timeserver

tempo 526 TCP/UDP Newdate

courier 530 TCP/UDP Rpc

conference 531 TCP/UDP Chat

netnews 532 TCP/UDP Readnews

netwall 533 TCP/UDP For emergency broadcasts

uucp 540 TCP/UDP Uucpd

uucp-rlogin 541 TCP/UDP Uucp-rlogin Stuart Lynne

klogin 543 TCP/UDP Kerberos (v4/v5)

kshell 544 TCP/UDP krcmd Kerberos (v4/v5)

dhcpv6-client 546 TCP/UDP DHCPv6 Client

dhcpv6-server 547 TCP/UDP DHCPv6 Server

Service Name Port # Protocol Description