- 1Default Ports Used by Zimbra
|KB 1391||Last updated on 2018-11-13||Last updated by Jhurley|
ZCS 8.8ZCS 8.6ZCS 8.5ZCS 8.0
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only.
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|KB 1391||Last updated on 2018-11-13|
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only.
You may choose not to allow remote connections to all of the external ports depending on which services you want to make available. In general, it is best to be restrictive as possible.
These are ports typically available to mail clients.
|25||smtp||mta||incoming mail to postfix|
|80||http||mailbox / proxy||web mail client (disabled by default in 8.0)|
|110||pop3||mailbox / proxy||POP3|
|143||imap||mailbox / proxy||IMAP|
|443||https||mailbox / proxy - web mail client||HTTP over TLS|
|465||smtps||mta||Incoming mail to postfix over TLS (Legacy Outlook only? If possible, use 587 instead)|
|587||smtp||mta||Mail submission over TLS|
|993||imaps||mailbox / proxy||IMAP over TLS|
|995||pop3s||mailbox / proxy||POP3 over TLS|
|3443||https||proxy||User Certificate Connection Port (optional)|
|5222||xmpp||mailbox||Default server port|
|5223||xmpp||mailbox||Default legacy SSL port|
|9071||https||proxy admin console||HTTP over TLS (optional)|
These are ports typically only used by the Zimbra system itself.
|636||ldaps||ldaps||if enabled via LC(ldap_bind_url)|
|5269||xmpp||mailbox||Server-to-Server communications between servers on the same cluster|
|7025||lmtp||mailbox||local mail delivery; zimbraLmtpBindAddress|
|7047||http||conversion server||Accessed by localhost by default; binds to '*'|
|7071||https||mailbox||admin console HTTP over TLS; zimbraAdminBindAddress|
|7072||http||mailbox||ZCS nginx lookup - backend http service for nginx lookup/authentication|
|7073||http||mailbox||ZCS saslauthd lookup - backend http service for SASL lookup/authentication (added in ZCS 8.7)|
|7110||pop3||mailbox||Backend POP3 (if proxy configured); zimbraPop3BindAddress|
|7143||imap||mailbox||Backend IMAP (if proxy configured); zimbraImapBindAddress|
|7171||-||zmconfigd||configuration daemon; localhost|
|7307||mysql||logger||logger (removed in ZCS 7)|
|7993||imaps||mailbox||Backend IMAP over TLS (if proxy configured); zimbraImapSSLBindAddress|
|7995||pop3s||mailbox||Backend POP3 over TLS (if proxy configured); zimbraPop3SSLBindAddress|
|8080||http||mailbox||Backend HTTP (if proxy configured on same host); zimbraMailBindAddress|
|8443||https||mailbox||Backend HTTPS (if proxy configured on same host); zimbraMailSSLBindAddress|
|8465||milter||mta/opendkim||OpenDKIM milter service; localhost|
|8735||ng||mailbox||internal mailbox to mailbox communication|
|10024||smtp||mta/amavisd||to amavis from postfix; localhost|
|10026||smtp||mta/amavisd||'ORIGINATING' policy; localhost|
|10028||smtp||mta/master||content_filter=scan via opendkim; localhost|
|10032||smtp||mta/amavisd||(antispam) 'ORIGINATING_POST' policy|
|23232||-||mta/amavisd||amavis-services / msg-forwarder (zeromq); localhost|
|11211||memcached||memcached||nginx route lookups, mbox cache (calendar, folders, sync, tags); zimbraMemcachedBindAddress|
System Access and Intra-Node Communication
In a multi-node environment the typical communication between nodes required includes:
Please note: this table is a WORK IN PROGRESS
|22||*ALL*||SSH (system & zmrcd): host management|
|udp/53||*ALL*||DNS (system ¦ dnscache): name resolution|
|udp/514||*ALL*||syslog: system and application logging|
|389||*ALL*||all nodes talk to LDAP server(s)|
|25||ldap||sent email (cron jobs)|
|25||mbox||sent email (web client, cron, etc.)|
|3310||mbox||zimbraAttachmentsScanURL (not set by default)|
|11211||mbox||mbox metadata data cache|
|11211||proxy||backend mailbox route cache|
|80||proxy||backend proxy http|
|110||proxy||backend proxy pop3|
|143||proxy||backend proxy imap|
|443||proxy||backend proxy https|
|993||proxy||backend proxy imaps|
|995||proxy||backend proxy pop3s|
|7025||mta||all mta talk to any mbox (LMTP)|
|7047||mbox||localhost by default; zimbraConvertdURL|
|7071||mbox||all mbox talk to any mbox (Admin)|
|7073||mta||sasl auth; zimbraMtaAuthTarget (since ZCS 8.7)|
|8443||all docs + all mbox||backend https|
|Verified Against: unknown||Date Created: 4/4/2006|
|Article ID:https://wiki.zimbra.com/index.php?title=Ports||Date Modified: 2018-11-13|
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