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# NEFilterPacketProvider

A filter provider that evaluates network packets and decides whether to block, allow, or delay the packets.

```
class NEFilterPacketProvider
```

## Topics

### Filtering packets

[`packetHandler`](/documentation/NetworkExtension/NEFilterPacketProvider/packetHandler)

A Swift closure or an ObjectiveC block that handles each packet received by the filter.

[`NEFilterPacketHandler`](/documentation/NetworkExtension/NEFilterPacketHandler)

A type for Swift closures or ObjectiveC blocks that make filtering decisions about network packets.

[`NEFilterPacketContext`](/documentation/NetworkExtension/NEFilterPacketContext)

The context object provided to the filter packet handler.

[`NETrafficDirection`](/documentation/NetworkExtension/NETrafficDirection)

A type to represent the direction of network traffic.

[`Verdict`](/documentation/NetworkExtension/NEFilterPacketProvider/Verdict)

The verdict returned by a packet handler indicating what the framework should do with a packet.

### Delaying packets

[`-  delayCurrentPacket:`](/documentation/NetworkExtension/NEFilterPacketProvider/delayCurrentPacket(_:))

Delay a packet currently processed by a packet handler.

[`-  allowPacket:`](/documentation/NetworkExtension/NEFilterPacketProvider/allow(_:))

Allow delivery of a previously-delayed packet.

## Relationships

### Conforms To

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CVarArg`](/documentation/Swift/CVarArg)

### Inherits From

[`NEFilterProvider`](/documentation/NetworkExtension/NEFilterProvider)

---

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