Port Requirements and General Specifications
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Port Requirements and General Specifications
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Port Requirements
For a ports diagram, see CTERA Edge Filer Ports Diagram.
Firewall ports opened for LAN communication and managing the Edge Filer user interface:
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 443 | TCP | Inbound | HTTPS. This port should be behind the firewall. |
Firewall ports opened to the CTERA Portal:
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 443 | TCP | Outbound | HTTPS. This port should only be open to the specific CTERA Portal IP addresses. |
| 995 | TCP | Outbound | CTTP. Communications with the CTERA Portal. For details about CTTP, see What is the CTTP Transport Protocol. |
| 8443 | TCP | Outbound | Communications with CTERA Portal for log collection. |
Firewall ports opened to the CTERA Portal backend storage when Direct Mode is set for the storage node in the portal:
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 443 | TCP | Outbound | HTTPS |
When Direct Mode is used, the edge filer requires the certificate to enable the TLS handshake with the object storage. See Loading a Trusted CA Certificate to a CTERA Edge Filer for details.
Firewall ports opened for Active Directory:
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 88 | TCP/UDP | Outbound | If Kerberos is used |
| 389 | TCP/UDP | Outbound | LDAP protocol |
| 445 | TCP | Outbound | SMB when joining to a domain as a Computer account |
| 3268 | TCP/UDP | Outbound | LDAP GC (Global Catalog) protocol |
Firewall ports opened for antivirus updates:
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 80 | TCP | Outbound | HTTP |
Firewall ports opened for SMTP:
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 25 | TCP | Outbound | The port is configurable in the edge filer user interface (in the Configuration view, select Alerts > Mail Server in the navigation pane). |
Firewall ports opened for NTP updates:
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 123 | UDP | Outbound | — |
Ports opened when you want to automatically send crash reports to CTERA (at URL available from CTERA Support) :
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 443 | TCP | Outbound | See Automatically Sending Crash Reports to Support |
Warning: CTERA Edge Filers operate behind a firewall, and it is important to leave all other ports closed.
Internal network file sharing protocols (not requiring any port configuration):
| Port | Protocol | Direction | Notes |
|---|---|---|---|
| 111, 2049 | TCP | Inbound | NFS |
| 445 | TCP | Inbound | SMB |
Browser Requirements
The latest two releases of Google Chrome, Apple Safari, Mozilla Firefox, and Microsoft Edge.
Software Features
| Features | Feature Description |
|---|---|
| Supported File Sharing Protocols | SMB 2.x/3.x (Windows File Sharing), NFS, FTP, WebDAV |
| Monitoring | SNMP |
Cloud Service Features
| Features | Feature Description |
|---|---|
| Backup Files Security | AES-256 Encryption, optional secret passphrase, file vetoing. |
| Protocol Security | TLS (Transport Level Security). |
| Efficiency | Incremental updates, data compression, block level deduplication, simultaneous synchronization. |
| Versioning | Retention of previous file versions. |
| Additional Services | Centralized management, centralized monitoring, Cloud Drive caching and synchronization, reporting, logging, remote access. |
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