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Appendix E. Identity Management Server Ports Considerations
E.1. Identity Management components and associated services
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Table E.1, “Identity Management components and associated services” lists the ports that individual Identity Management services expose externally.
| Component | Service | Ports through which access is allowed |
|---|---|---|
| Identity Management framework* | Apache-based web-service and routes to other services | HTTPS port 443 (TCP/TCP6) |
| LDAP directory server* | 389-ds instance |
port 389 (TCP/TCP6): normal LDAP traffic, with StartTLS extension or SASL GSSAPI to secure the connection
port 636 (TCP/TCP6): normal LDAP traffic over SSL
port 389 (UDP): a Connectionless LDAP access to facilitate integration with Active Directory services
|
| Kerberos Key Distribution Center* | krb5kdc |
port 88 (TCP/TCP6 and UDP/UDP6): normal Kerberos traffic
port 464 (TCP/TCP6 and UDP/UDP6): Kerberos password change protocol access
|
| Kerberos Administrator daemon* | kadmind | port 749 (TCP/TCP6): Kerberos remote administration protocol used internally |
| Custodia key management* | custodia | HTTPS port 443 (TCP/TCP6): as part of the Identity Management framework |
| The System Security Services Daemon* | sssd | HTTPS port 443 (TCP/TCP6): as part of the Identity Management framework |
| MS-KKDCP proxy** | Proxy access to Kerberos over HTTPS | HTTPS port 443 (TCP/TCP6): as part of the Identity Management framework |
| Certificate Authority | Dogtag instance on top of Tomcat |
HTTPS port 443 (TCP/TCP6): as part of the Identity Management framework
HTTP access over port 80 (TCP/TCP6) but internally redirected to port 8080 (TCP/TCP6) according to the Apache rules set for Identity Management; the retrieved information is the OCSP responder and certificate status (the Certificate Revocation List)
Internally, HTTPS access over port 8443 (TCP/TCP6): for CA administration purposes
Internally, on IPA masters, ports 8005 and 8009 (TCP/TCP6) are used to run components of the Certificate Authority services on the 127.0.0.1 and ::1 local interface addresses
|
| DNS | named |
port 53 (TCP/TCP6 and UDP/UDP6): standard DNS resolver
port 953 (TCP/TCP6): BIND service remote control on the 127.0.0.1 and ::1 local interface addresses
|
| Active Directory integration | Samba services (smbd, winbindd) |
port 135 (TCP/TCP6): DCE RPC end-point mapper (smbd daemon)
port 138 (TCP/TCP6), NetBIOS Datagram service (optional, requires nmbd daemon to run)
port 139 (TCP/TCP6), NetBIOS Session service (smbd daemon)
port 445 (TCP/TCP6), SMB protocol over TCP/TCP6 (smbd daemon)
dynamically opened ports 49152-65535 (TCP/TCP6) for DCE RPC end-point services
|
| Certificate Authority Vault | KRA component of the Dogtag instance |
HTTPS port 443 (TCP/TCP6): as part of the Identity Management framework
HTTP access over port 80 (TCP/TCP6) but internally redirected to port 8080 (TCP/TCP6) by Apache rules: for the OCSP responder and certificate status (Certificate Revocation List)
Internally, HTTPS access over port 8443 (TCP/TCP6): for CA administration purposes
Internally, on IPA masters, ports 8005 and 8009 (TCP/TCP6) are used to run components of the Certificate Authority services on the 127.0.0.1 and ::1 local interface addresses
|
* Services marked with an asterisk are compulsory in every Identity Management deployment.
** The MS-KKDCP proxy component is optional but enabled by default.
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