# Server Connection: PeSIT

Fields with the asterisk \* are mandatory.

<table><thead><tr><th width="234.79998779296875">Value</th><th>Description</th></tr></thead><tbody><tr><td><strong>SERVER NAME *</strong></td><td>Enter a unique name for the server.</td></tr><tr><td><strong>DESCRIPTION *</strong> </td><td>Provide a brief description of the server.</td></tr><tr><td><strong>PORT *</strong></td><td>Enter the port to connect to the server. This is the TCP/IP port the server will listen to in the STENG node.</td></tr><tr><td><strong>DIAGNOSTIC PORT1</strong></td><td>Enter the Diagnostic port used by the native layer.</td></tr><tr><td><strong>DIAGNOSTIC PORT2</strong></td><td>Enter the Diagnostic port used by the native layer.</td></tr><tr><td><strong>LOCAL ID</strong></td><td>Enter the local Pesit identifier.</td></tr><tr><td><strong>DEFAULT FILE NAME</strong></td><td>Enter a default file name for file received. This is a free text field where spaces are allowed but not suggested.</td></tr><tr><td><strong>MAXIMUM PDU SIZE</strong></td><td>Enter the maximum PDU size buffer. Possible values: 1 &#x3C;= size &#x3C;= 66000. Default value: 30000.</td></tr><tr><td><strong>MAXIMUM SDU SIZE</strong></td><td>Enter the maximum SDU size buffer. Possible values: 1 &#x3C;= size &#x3C;= 66000. Default value: 30000.</td></tr><tr><td><strong>CONNECTION TIMEOUT</strong></td><td>Define the number of seconds without network activity to wait before closing a session due to inactivity.</td></tr><tr><td><strong>MAX SESSION</strong></td><td>Enter the maximum number of active sessions. Values: 0 to 256.</td></tr><tr><td><strong>SYNC POINT BY DATA</strong></td><td>Enter the number of synchronization points used to restart a transfer after an incident</td></tr><tr><td><strong>ACK WINDOW</strong></td><td>Enter the Acknowledgement window size. Values: 0 to 255.</td></tr></tbody></table>

<table><thead><tr><th width="234">DMZ mode</th><th></th></tr></thead><tbody><tr><td><strong>NONE (default)</strong></td><td>No session proxying through DMZ Gateway applied.</td></tr><tr><td><strong>PORT_FORWARDING</strong></td><td>Incoming/Outgoing connections to/from STENG server will be proxied inside an SSL tunnel without being validated in advance.<br><strong>DMZ PROXY PORT *</strong>: This port represents the tunnel that is opened for connection with the STENG Server.</td></tr><tr><td><strong>SESSION_TERMINATION</strong></td><td>The server session will be terminated inside the DMZ Gateway, before data is sent to STENG server.</td></tr></tbody></table>

To change any DMZ port of a PeSIT server that belongs to a peer, select the server you want to update. Next, click the pencil icon in the top-right corner of the server card. Enter the new port or ports in the appropriate fields. Finally, click the **SAVE** button to confirm your changes. Remember that the new port number will only affect the peer's selected server.


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