TCP/IP configuration data sets

Table 1 lists the configuration MVS™ data sets and z/OS® UNIX files used by the TCP/IP servers and functions. The table includes the name of the sample data set or file that is provided by Communications Server, and the way the data set or file is used.

Table 1. TCP/IP configuration data sets
Name (search order) Copied from Usage
ADNR.CONF

The MVS data set or z/OS UNIX file specified on the CONFIG DD statement in the automated domain name registration started procedure

SEZAINST(ADNRCNF) Contains automated domain name registration configuration statements.
CSSMTP.CONF
  1. The MVS data set or z/OS UNIX file referenced by the CONFIG DD statement in the CSSMTP application started procedure
  2. jobname.CSSMTP.CONF
SEZAINST(CSSMTPCF) Contains CSSMTP application configuration statements.
Defense Manager daemon (DMD) configuration
  1. The MVS data set or z/OS UNIX file specified by the DMD_FILE environment variable
  2. /etc/security/dmd.conf
/usr/lpp/tcpip/samples/dmd.conf Contains DMD configuration statements.
Digital certificate access server (DCAS) configuration
  1. The MVS data set or z/OS UNIX file that the DCAS_CONFIG_FILE environment variable specified
  2. /etc/dcas.conf
  3. tsouserid.DCAS.CONF
  4. TCPIP.DCAS.CONF
No sample provided. Contains DCAS configuration statements.
/etc/hosts No sample provided. One of the possible local host files used for IPv4 name query. For information about creating /etc/hosts directory, see z/OS Communications Server: IP Configuration Guide
hlq.ETC.IPNODES SEZAINST(EZBREIPN) One of the local host files used for IPv6 name query, or IPv4 and IPv6 name query when COMMONSEARCH is specified in the resolver setup file.
/etc/mail/sendmail.cf /usr/lpp/tcpip/samples/sendmail/cf/sample.cf Provides configuration information for the sendmail daemon when being used as a message transfer agent (MTA). If /etc/mail/submit.cf does not exist, this data set also provides configuration information for the end-user sendmail application when being used as a mail user agent (MUA).
/etc/mail/submit.cf /usr/lpp/tcpip/samples/sendmail/cf/submit.cf Provides configuration information for the end-user sendmail application when being used as a mail user agent (MUA).
/etc/mail/zOS.cf /usr/lpp/tcpip/samples/sendmail/cf/zOS.cf Provides z/OS-specific information for the sendmail daemon when being used as a message transfer agent (MTA). Currently the file consists of Secure Sockets Layer (SSL) information only.
ETC.PROTO usr/lpp/tcpip/samples/protocol Used to map types of protocol to integer values to determine the availability of the specified protocol. Required by several z/OS Communications Server components. The search order depends on the type of application (z/OS UNIX or native MVS).
ETC.RPC SEZAINST(ETCRPC) Defines RPC applications to the Portmapper function.
ETC.SERVICES usr/lpp/tcpip/samples/services Establishes port numbers for servers using TCP and UDP. Required for z/OS UNIX SNMP and OMPROUTE (if the RIP protocol is used). The search order depends on the type of application (z/OS UNIX or native MVS).
/etc/syslog.conf /usr/lpp/tcpip/samples/syslog.conf Configuration file for the syslog daemon (syslogd).
FTP.DATA
  1. -f command line parameter (FTP client only)
  2. The MVS data set or z/OS UNIX file specified on the SYSFTPD DD statement in the FTP server started procedure
  3. userid/jobname.FTP.DATA
  4. /etc/ftp.data
  5. SYS1.TCPPARMS(FTPDATA)
  6. hlq.FTP.DATA

SEZAINST(FTCDATA) for the client and (FTPSDATA) for the server

Overrides default FTP client and server parameters for the FTP server. For more information about the hlq, jobname, or userid values, see File Transfer Protocol.
HOSTS.LOCAL SEZAINST(HOSTS) Input data set to MAKESITE for generation of HOSTS.ADDRINFO and HOSTS.SITEINFO.
IKE daemon configuration
  1. The MVS data set or z/OS UNIX file specified by the IKED_FILE environment variable
  2. /etc/security/iked.conf
/usr/lpp/tcpip/samples/iked.conf Contains IKE configuration statements.
INETD.CONF

The MVS data set or z/OS UNIX file specified on the EXEC DD statement in the INETD started procedure

/samples/inetd.conf Provides configuration management statements of generic servers for the Internet Daemon (InetD). InetD handles rlogin, telnetd, rshd, rexec, and other applications. For more information about InetD, see z/OS UNIX System Services Planning.
LBADV.CONF

The MVS data set or z/OS UNIX file specified on the CONFIG DD statement in the z/OS Load Balancing Advisor started procedure

SEZAINST(LBADVCNF) Contains z/OS Load Balancing Advisor configuration statements.
LBAGENT.CONF

The MVS data set or z/OS UNIX file specified on the CONFIG DD statement in the z/OS Load Balancing Agent started procedure.

SEZAINST(LBAGECNF) Contains z/OS Load Balancing Agent configuration statements.
LPD.CONFIG SEZAINST(LPDDATA) Configures the Line Printer Daemon for the Remote Print Server.
LU62CFG SEZAINST(LU62CFG) Provides configuration parameters for the SNALINK LU6.2 interface.
MIBS.DATA
  1. The name of a z/OS UNIX file or an MVS data set specified by the MIBS_DATA environment variable
  2. /etc/mibs.data z/OS UNIX file
No sample provided Defines textual names for MIB objects for the z/OS UNIX snmp command.
Network security services (NSS) server configuration
  1. The name of a z/OS UNIX file or MVS data set specified by the NSSD_FILE environment variable.
  2. /etc/security/nssd.conf
/usr/lpp/tcpip/samples/nssd.conf Contains NSS server configuration statements.
NPSIDATE SEZAINST(NPSIDATE)
  • Operates the TCP/IP X.25 NCP Packet Switching Interface.
  • NCP and X.25 definition statements supplied as input to the NCP/EP Definition Facility (NDF) procedure. See NCP X.25 Planning and Installation for details.
NPSIGATE SEZAINST(NPSIGATE)
  • Supports GATE MCHs for X.25 NCP Packet Switching Interface.
  • NCP and X.25 definition statements supplied as input to the NCP/EP Definition Facility (NDF) procedure. See Network Control Program X.25 Planning and Installation for details.
OMPROUTE configuration
  1. The MVS data set or z/OS UNIX file specified on the OMPCFG DD statement in the OMPROUTE started procedure.
  2. The MVS data set or z/OS UNIX file specified by the OMPROUTE_FILE environment variable
  3. /etc/omproute.conf
  4. hlq.ETC.OMPROUTE.CONF
SEZAINST(EZAORCFG) Contains OMPROUTE configuration statements.
OSNMP.CONF
  1. /etc/osnmp.conf
  2. /etc/snmpv2.conf
/usr/lpp/tcpip/samples/snmpv2.conf Defines target host security parameters for the osnmp command.
OSNMPD.DATA
  1. The MVS data set or z/OS UNIX file specified by the OSNMPD_DATA environment variable
  2. /etc/osnmpd.data file system file
  3. The MVS data set z/OS UNIX file specified on the OSNMPD DD statement in the agent started procedure
  4. jobname.OSNMPD.DATA, where jobname is the name of the job used to start the SNMP agent
  5. SYS1.TCPPARMS(OSNMPD)
  6. hlq.OSNMPD.DATA, where hlq either defaults to TCPIP or is specified on the DATASETPREFIX statement in the TCPIP.DATA file being used
/usr/lpp/tcpip/samples/osnmpd.data Used by SNMP for setting values for selected MIB objects.
PAGENT.CONF
  1. File or data set specified with -c startup option
  2. File or data set specified with PAGENT_CONFIG_FILE environment variable
  3. /etc/pagent.conf
/usr/lpp/tcpip/samples/pagent.conf Defines Policy Agent configuration parameters and optionally defines QoS service policies (rules and actions).
PROFILE.TCPIP
  1. The MVS data set specified on the PROFILE DD statement in the TCP/IP stack started procedure.
  2. jobname.nodename.TCPIP
  3. TCPIP.nodename.TCPIP
  4. jobname.PROFILE.TCPIP
  5. TCPIP.PROFILE.TCPIP
SEZAINST(SAMPPROF) Provides TCP/IP initialization parameters and specifications for network interfaces and routing.
PW.SRC
  1. The MVS data set or z/OS UNIX file specified by the PW_SRC environment variable
  2. /etc/pw.src file system file
  3. The MVS data set or z/OS UNIX file specified on SYSPWSRC DD statement in the started agent procedure
  4. jobname.PW.SRC, where jobname is the name of the job used to start the SNMP agent
  5. SYS1.TCPPARMS(PWSRC)
  6. hlq.PW.SRC, where hlq either defaults to TCPIP or is specified on the DATASETPREFIX statement in the TCPIP.DATA file being used
No sample provided Defines a list of community names used when accessing objects on a destination SNMP agent.
Resolver Setup File SEZAINST (RESSETUP) Provides configuration statements for the resolver.
RSVPD.CONF
  1. File or data set specified with -c startup option
  2. File or data set specified with RSVPD_CONFIG_FILE environment variable
  3. /etc/rsvpd.conf
  4. hlq.RSVPD.CONF
/usr/lpp/tcpip/samples/rsvpd.conf Defines RSVP Agent configuration parameters.
SMTPCONF

The MVS data set referenced by CONFIG DD statement in the SMTP started procedure.

SEZAINST(SMTPCONF) Provides configuration parameters for the Simple Mail Transfer Protocol (SMTP).
SMTPNOTE clist

System CLIST data set

SEZAINST(SMTPNOTE) Defines the note parameters for Simple Mail Transfer Protocol (SMTP) and the CSSMTP application.
SNMPD.BOOTS
  1. The name of a z/OS UNIX file system file or an MVS data set specified by the SNMPD_BOOTS environment variable.
  2. /etc/snmpd.boots
No sample provided Defines the SNMP agent security and notification destinations.
Note: If the SNMPD.BOOTS file is not provided, the SNMP agent creates the file. If multiple SNMPv3 agents are running on the same MVS image, use the environment variable to specify different SNMPD.BOOTS files for the different agents. For security reasons, ensure unique engine IDs are used for different SNMP agents.
SNMPD.CONF
  1. The name of a z/OS UNIX file system file or an MVS data set specified by the SNMPD_CONF environment variable.
  2. /etc/snmpd.conf
Note: The first file found in the search order is used.
/usr/lpp/tcpip/samples/snmpd.conf Defines the SNMP agent security and notification destinations.
Note: If the SNMPD.CONF file is found, the PW.SRC file and the SNMPTRAP.DEST files are not used.
SNMPTRAP.DEST
  1. The MVS data set or z/OS UNIX file specified by the SNMPTRAP_DEST environment variable
  2. /etc/snmptrap.dest file system file
  3. The MVS data set or z/OS UNIX file specified on SNMPTRAP DD statement in the agent started procedure
  4. jobname.SNMPTRAP.DEST, where jobname is the name of the job used to start the SNMP agent
  5. SYS1.TCPPARMS(SNMPTRAP)
  6. hlq.SNMPTRAP.DEST, where hlq either defaults to TCPIP or is specified on the DATASETPREFIX statement in the TCPIP.DATA file being used
No sample provided Defines a list of managers to which the SNMP agent sends traps.
TCPIP.DATA SEZAINST(TCPDATA) Provides parameters for TCP/IP client programs. The search order depends on the type of application (z/OS UNIX or native MVS). See Resolver setup and TCPIP.DATA configuration statements for more information.
TNDBCSCN

The MVS data set specified on the TNDBCSCN DD statement in the TN3270E Telnet server started procedure

SEZAINST(TNDBCSCN) Provides configuration parameters for Telnet 3270 Transform support.
TRAPFWD.CONF
  1. A z/OS UNIX system file or an MVS data set specified by the TRAPFWD_CONF environment variable
  2. /etc/trapfwd.conf
No sample provided Defines addresses to which the Trap Forwarder Daemon forwards traps.
Note: If the environment variable is set and if the file specified by the environment variable is not found, the Trap Forwarder daemon terminates.
VTAMLST

The VTAM® definitions added to the ATCCONxx member of the MVS data set specified on the VTAMLST DD statement in the VTAM started procedure

SEZAINST(VTAMLST) Defines VTAM applications and their characteristics. Entries required for TN3270E Telnet server, SNALINK LU0, SNALINK LU6.2, and X.25 NPSI Server.
X25CONF

The MVS data set specified on the X25IPI DD statement in the X25PROC started procedure

SEZAINST(X25CONF) Provides configuration parameters for the X.25 NCP Packet Switching Interface.
X25VSVC

The VTAM switched major node definition, added as a member of the MVS data set specified on the VTAMLST DD statement in the VTAM started procedure

SEZAINST(X25VSVC) Provides switched virtual circuit configuration for the X.25 NCP Packet Switching Interface.