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6. Intranet to Data Access zone policies<br />

Table 4-6 Intranet to Data Access zone flows (Outbound)<br />

Application Protocol Port Intranet Data Access Comments<br />

FTP TCP 20 X H For zOS/390 data feeds<br />

FTP TCP 21 X H For zOS/390 data feeds<br />

DNS UDP 53 X H<br />

SNMP UDP 161 H H<br />

SNMP Trap UDP 162 H H<br />

LDAP TCP 389 X H Non- Confidential Information<br />

DB2 Admin TCP 523 X H<br />

LDAP (SSL) TCP 636 X H Confidential Data: Mutual<br />

Authentication Required<br />

Domino<br />

Replication<br />

TCP 1352 X X<br />

MQ Series TCP 1414 X H<br />

MQ (HACMP) TCP 1415 X H<br />

DB2 (JDBC or<br />

DPROPR)<br />

TCP 37xx X H 3700-3719 variances<br />

net.commerce TCP 4444 X H<br />

ESM TCP 5599, 5600,<br />

5601<br />

H - host specific filters<br />

X - network filters<br />

H X ESM Mgr to Agent Access<br />

5599 used for ESM updates<br />

Tivoli TCP 20001 H H dmproxy Solution<br />

Chapter 4. Security components and layers 157

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