You must add your exit program to an exit point in the registration repository before
a TCP/IP application can call it. Adding the exit program to the repository associates
the exit program with a specific exit point.
For security exit programs, the TCP/IP application will typically request the exit
program to indicate if a specified operation should be allowed. When no exit
program has been added to an exit point, the TCP/IP application assumes that no
additional security controls are to be applied.
You can use the Work with Registration Information (WRKREGINF) command to
display a list of the exit points in the OS/400 registration facility. Use this list to
display information about an exit point or to work with exit programs associated with
an exit point. The Work with Registration Information display is shown in Figure 294
on page 538.
TCP/IP Application Exit Points
The following table lists the exit points provided for each TCP/IP application.
Note: If using Distributed Data Management (DDM), see the DDMACC parameter
on CHGNETACMD in the
CL Reference (Abridged)
for more information.
Table 74. TCP/IP Application Exit Points
TCP/IP Application Exit Point Exit Point Format
FTP Client QIBM_QTMF_CLIENT_REQ VLRQ0100
1
(see page 547)
FTP Server QIBM_QTMF_SERVER_REQ VLRQ0100
1
(see page 547)
FTP Server QIBM_QTMF_SVR_LOGON TCPL0100
2
or TCP0200 (see page 551)
REXEC Server QIBM_QTMX_SERVER_REQ VLRQ0100
1
(see page 547)
REXEC Server QIBM_QTMF_SVR_LOGON TCPL0100
2
(see page 551)
REXEC Server QIBM_QTMF_SVR_SELECT RXCS0100 (see page 551
TFTP Server QIBM_QTOD_SERVER_REQ VLRQ0100
1
(see page 547)
Workstation gateway (WSG)
server
QIBM_QTMT_WSG QAPP0100 (see page 569)
DHCP Server QIBM_QTOD_DHCP_REQ DHCV0100
3
DHCP Server QIBM_QTOD_DHCP_ABND DHCA0100
3
DHCP Server QIBM_QTOD_DHCP_ARLS DHCR0100
3
TELNET Server QIBM_QTG_DEVINIT INIT0100 (see page 541)
TELNET Server QIBM_QTG_DEVTERM TERM0100 (see page 546)
Note:
1
The same interface format is used for request validation for the FTP client, FTP server, REXEC server, and
TFTP server. This allows the use of one exit program for request validation of any combination of these
applications.
2
The same interface format is used for server log-on processing for the FTP server and REXEC server
applications. This allows the use of one exit program to process log-on requests for both of these
applications.
3
For a detailed description of the DHCP exit points and how to use them, see the
System API Reference
,
SC41-5801-03.
536 OS/400 TCP/IP Configuration and Reference V4R4
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