## Ports and Protocols of the X Server

### Use

Clients can exchange data with the X Server using a variety of protocols.

### Features

The MaxDB X server uses the following ports.

Ports and Protocols of the X Server

Port Number | Protocol | Protocol Identifier | Remarks
7210 | TCP/IP | remote:// |
7269 | NI | sapni:// | Only in SAP systems, uses SAP network protocol NI
7270 | SSL/TLS NISSL | remotes:// sapnis:// | Only in SAP systems, uses SAP encryption library and SAP network protocol NI

Ports and Protocols of the X Server

The ports are entered in the services file:

· UNIX/Linux: /etc/services

· Microsoft Windows: <windows_directory>\system32\drivers\etc\services

See also:

· MaxDB Security Guide, Using the MaxDB X Server Behind a Firewall

· Concepts of the Database System, Data Encryption