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updatedAt: 2026-07-16T20:43:52.000Z
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# X11 Session capture variables | EPM-UL

The X11 variables are used to capture X Windows sessions.

## xwincookie

**Data type**

String, read-only

**Description**

The **xwincookie** variable contains the X Windows Authentication cookie from the client and is available for logging.

There is no run version of this variable.

**Valid values**

A string

**See also**

xwindisplay, xwinproto, xwinforward, xwinreconnect

## xwinproto

**Data type**

String, read-only

**Description**

The **xwinproto** variable contains the X Windows Authentication protocol from the client and is available for logging.

There is no run version of this variable.

**Valid values**

A string

**See also**

xwncookie, xwindisplay, xwinforward, xwinreconnect

## xwindisplay

**Data type**

String, read-only

**Description**

The **xwindisplay** variable contains the X Windows Authentication DISPLAY string from the client and is available for logging.

There is no run version of this variable.

**Valid values**

A string

**See also**

xwncookie, xwinproto, xwinforward, xwinreconnect

## xwinforward

**Data type**

Boolean, modifiable

**Description**

The **xwinforward** variable controls whether EPM will forward X Windows applications through to the client X Server.

**Syntax**

```
xwinforward = Boolean;
```

**Valid values**

|           |                                                         |
| --------- | ------------------------------------------------------- |
| **true**  | Enable X Windows forwarding. This value is the default. |
| **false** | Disable X Windows forwarding.                           |

**See also**

xwncookie, xwindisplay, xwinproto, xwinreconnect

## xwinreconnect

**Data type**

Boolean, modifiable

**Description**

The **xwinreconnect** variable contains how EPM optimizes X Windows network traffic between **pbrun** and **pblocald**. This optimization involves reconnecting **pblocald** directly to **pbrun** for X Windows forwarding, thus bypassing **pbmasterd** for I/O streams.

**Syntax**

```
xwinreconnect = Boolean;
```

**Valid values**

|           |                                                                            |
| --------- | -------------------------------------------------------------------------- |
| **true**  | Enable reconnection between pbrun and pblocald. This value is the default. |
| **false** | Disable reconnection between **pbrun** and **pblocald**.                   |

**See also**

xwncookie, xwindisplay, xwinproto, xwinforward