IBM SC41-5420-04 manual Work with Service Table Entry Display

The services table stores the mapping of services to ports or ports to services as shown in Figure 59. The mapping information is usually accessed with the getservbyname() and getservbyport() socket functions.

Work with Service Table Entry

			System:	SYSNAM03
Type options, press Enter.
1=Add	4=Remove	5=Display
Opt Service		Port	Protocol
echo		7	udp
finger		79	tcp
finger		79	udp
ftp-control		21	tcp
ftp-control		21	udp
ftp-data		20	tcp
ftp-data		20	udp
gopher		70	tcp
gopher		70	udp
graphics		41	tcp
graphics		41	udp
pop3		110	tcp
				More...
Parameters for options 1 and 4 or command
===>
F3=Exit	F4=Prompt	F5=Refresh F6=Print list	F9=Retrieve F12=Can
F17=Top	F18=Bottom

Figure 59. Work with Service Table Entry Display

The protocol table stores the mapping of protocol names to protocol numbers and protocol numbers to protocol names. Socket applications use getprotobyname() and getprotobynumber() functions to access this table (Figure 60).

Work with Protocol Table Entry

System: SYSNAM03

Type options, press Enter. 1=Add 4=Remove 5=Display

		Protocol
Opt	Protocol	number

______________________________

_	icmp	1
_	ip	0
_	tcp	6
_	udp	17

Bottom

Parameters for options 1 and 4 or command

===> ______________________________________________________________________

F3=Exit F4=Prompt F5=Refresh F6=Print list F9=Retrieve F12=Cancel F17=Top F18=Bottom

Figure 60. Work with Protocol Table Entry Display

66OS/400 TCP/IP Configuration and Reference V5R1