You want to add sites to the bypass list in the Symantec Web Security Service (WSS), or review the list of bypassed sites.
IMPORTANT: Bypassed sites only apply to locations that use the Explicit Proxy andUnified Agent (v4.4+) access methods to connect to WSS. Symantec Endpoint Protection's (SEP) WSS Traffic Redirection (WTR) is considered an explicit access method. Bypassed sites will not be effective for IPSEC.
To add sites to a bypass list:
Navigate to Services > Network > Bypassed Sites.
Choose one of the following methods:
Bypassed IPs/Subnets tab.
WSS will bypass traffic that is sent to IP addresses/subnets in this list.