ZIMBRA SECURITY COMPLIANCE REQUIREMENTS
Secara definisi, arti dari security adalah “the state of being free from danger or threat” atau “suatu kondisi yang bebas dari bahaya atau ancaman”. Jika dikaitkan dengan bisnis, security bisa diartikan suatu kondisi, yg menjadikan perusahaan bisa terus menjalankan roda bisnis tanpa halangan, bahaya dan ancaman. Jika dikaitkan dengan IT, biasanya akan merujuk ke dua bagian, yaitu data dan network security, atau keamanan data dan jaringan. Setiap organisasi tentunya mengharuskan sistem mereka comply pada kebutuhan-kebutuhan security, khususnya Zimbra Security seperti:
1. REPUTATION – Better reputation increase Zimbra Security
Requirement 1:minimize or elimate spam/virus
Requirement 2:protecing company reputation
Requirement 3: understand and analyzing log files
2. DATA & IDENTITY PROTECTION – Protect whats yours
Requirement 4: minimize or eliminate identity theft (ssl, https)
Requirement 5: minimize or eliminate data theft (multiserver, encryption, smime)
Requirement 6: protecting company data (backup, retention, archiving, remote wipe)
Requirement 7: monitoring & auditing (archving, discovery)
Requirement 8: controlling admin & users access (admin delegation)
3. AVAILABILITY & REDUNDANCY – Redundant everything as much as possible
Requirement 9: minimize or eliminate downtime (multi-mta, multi-proxy, multi-ldap, multi-mbox, high availability, vsphere-ha, vmware-vsphere, redhat cluster)
Requirement 10: patch/update/upgrade management (safe procedure upgrade)
Requirement 11: performance (hsm, tuning, move mailbox)
Agar kita terus bisa meningkatkan compliance terhadap security khususnya terkait Zimbra, maka hal-hal berikut penting untuk terus dipahami:
1. UNDERSTANDING ZIMBRA ARCHITECTURE ARCHITECTURE APPROACH OPERATING SYSTEM MODEL-MODEL PENGEMBANGAN MAILBOX ARCHITECTURE SYSTEM ARCHITECTURE TRAFFIC FLOW |
2. UNDERSTANDING ZIMBRA MTA DEPLOYMENT POSTFIX MTA FUNCTIONALITY ANTISPAM ANTIVIRUS RECEIVING SENDING EMAIL |
3. UNDERSTANDING DNS & RBL UNDERSTAND HOSTNAME RESOLUTION FORWARD LOOKUPS REVERSE LOOKUPS RBL |
4. UNDERSTANDING ZIMBRA FILE CONFIGS localconfig.xml Common file config |
5. UNDERSTANDING ZIMBRA CLI TOOLS zmprov overview other CLI: zmmailbox, zmaccts, zmlocalconfig, zmmsgtrace, zmmboxmove, zmblobchk, zmsoap, etc service CLI: zm*ctl |
6. UNDERSTANDING ZIMBRA ANTISPAM COMPONENTS ZC AMAVISD-NEW ZC SPAMASSASSIN ZC CLAMAV EXTERNAL COMPONENTS: RAZOR2, PYZOR, DCC, POSTGREY |
7. IMPROVING ZIMBRA ANTISPAM SPAMASSASSIN: INTERNAL BLACKLIST/WHITELIST, BASIC/META RULES, CLASS A IP BLOCKS, RAZOR, PYZOR, SPF AMAVISD: CLOUDMARK AUTHORITY MILTER GREYLISTING DISCARDS EMAILS EXTERNAL WHITELIST |
8. UNDERSTANDING ZIMBRA POLICYD cbpolicyd/clubringer as a multi-platform policy server Quota inbound dan outbound email |
9. USER RESTRICTION Restriction policy using zimbra tools Rejecting over quota mail, Restricted User Must Login, Reject unlisted user, Reject Unknown Sender Domain, Restrict users to certain domain |
10. UNDERSTANDING SPF/DKIM SPF DKIM |
11. LOG ANALYZING UNDERSTANDING LOG FILES (MAIN LOGS & SPEFICIF LOGS) LOG LEVEL ACTIVITIES: WHERE & WHEN MESSAGE HEADER |
Untuk Customer Success Stories di Indonesia, periksa halaman ini: Zimbra Indonesia
Untuk fitur-fitur dan penjelasannya dalam bahasa Indonesia, periksa halaman ini: Zimbra Features
Untuk jadwal training terkini, periksa halaman ini: Zimbra Official Training