How to Allow Google Drive through custom IPS signature ?

1. Create new IPS Signature by following details:

Name : Google_Drive.HTTP-Allow

Signature:F-SBID( --attack_id 3153; --name "Google_Drive.HTTP-Allow"; --pattern "drive.google.com"; --service HTTP; -- protocol tcp; --flow from_client; --context host; --dst_addr [74.125.228.192/29,74.125.228.200/32,74.125.228.201/32,74.125.228.206/32]; --src_addr 0.0.0.0; )