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# Reclassify

The **Reclassify** tab lets you configure filtering parameters in order to redefine types of traffic to include in which [Class](/glossary/q/qos_class).

Reclassification can override the [class](../class/start) on a per packet basis without altering the defined [classification](../classify/start) .

## Overview

At the top of the page is a list of selectable classification groups.

When a particular group is selected, details about it is shown in the configuration section.

Adding a parameter will filter out traffic according to the parameters and assign it to the group.

^ Item ^ Description ^ Comment ^
| Target | Classification [Group](/glossary/q/qos_group) to assign. | As configured in [classification group](../group/start) settings |
| Protocol | Protocol affected. | `All` / [UDP](/glossary/u/udp) / [TCP](/glossary/t/tcp) / [ICMP](/glossary/i/icmp) |  |
| Source Host | Originating host(s) to affect. | `All` / `Specific host` |
| Destination Host | Receiving host(s) to affect.  | `All` / `Specific host` |
| Ports | Settings for **ports filtering**. | `Port`/`Source`/`Destination`/`Port range` |
| Direction | Direction of traffic to be affected by the classificaton. |`Both`/`In`/`Out` |
| Connbytes | [Connection Bytes](/glossary/c/connection_bytes) for when to start filtering. |
| Precedence | Quality of service parameters relating for  [precedence](/glossary/p/precedence). |  |
| Packet Size | Size of [packets](/glossary/p/packet) to match. | Minimum size `From` or `From`-`To` range. |
| Mark | Hexadecimal [mark code](/glossary/q/qos_mark) to att to the packets. (`0x000000`-`0xFFFFFF`) |
| TCP flags | [TCP Flags](/glossary/t/tcp_flags) to match. | `SYN`/`ACK`/`FIN`/`RST`/`URG`/`PSH` |


### Ports Filtering

^ Item ^ Description ^ Comment ^
| Ports | List of [ports](/glossary/p/port) anywhere (source and destination). |
| Source | Included [ports](/glossary/p/port) in source. |
| Destination | Included [ports](/glossary/p/port) in destination. |
| Port Range | Range of [ports](/glossary/p/port) anywhere (source and destination). |