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HP Velocity Server Side Deployment Guide 61

Using the Management Application Configuration

Policy filter precedence

When configuring multiple HP Velocity policy filters, the filters are evaluated in the following

order:

1. Blacklist IP

2. Whitelist IP

3. Whitelist port

4. Transparent port

5. Special port

IP filters

The IP blacklist and whitelist filters allow administrators to filter data flows received from the

application by destination IP address. This tells HP Velocity whether to accelerate this flow.

When an IP filter is configured, HP Velocity examines the destination IP address of each

packet received from the application. If the packet’s destination IP address matches an IP

address specified in an IP filter, HP Velocity takes the appropriate action, depending on which

of the following IP filters the IP address applies to:

• Blacklist IP filter

• Whitelist IP filter

Blacklist IP filter

The blacklist IP filter is evaluated first. It allows administrators to specify a list of destination IP

addresses where the data flows will not be protected by HP Velocity.

If the destination IP address of a data flow matches an IP address specified in the blacklist,

that data flow will be passed on transparently. Administrators can use the IP blacklist in

conjunction with the IP whitelist. For example, use the blacklist to exclude a specific IP

address in a whitelisted IP filter subnet from being protected by HP Velocity.

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HP MT40 Guia do Utilizador Página 61