User guide

User Guide vii
Filter outgoing traffic for a custom policy .......................................................................................... 121
Control traffic from the trusted to optional network...................................................................... 122
Disable traffic filters between trusted and optional networks.................................................... 123
About policy precedence............................................................................................................................... 123
Chapter 8 Proxy Settings .......................................................................................................................125
About proxy policies........................................................................................................................................ 125
Enable a common proxy policy .............................................................................................................. 126
Add or Edit a Proxy Policy ......................................................................................................................... 126
Set access control options........................................................................................................................ 127
Use a policy to manage manual VPN network traffic ..................................................................... 127
About the HTTP proxy..................................................................................................................................... 128
HTTP proxy: Proxy Limits........................................................................................................................... 128
HTTP requests: General settings............................................................................................................. 129
HTTP responses: General settings.......................................................................................................... 129
Configure the HTTP proxy policy deny message......................................................................... 130
Define exceptions ................................................................................................................................... 131
To add an HTTP proxy exception: ..................................................................................................... 131
HTTP responses: Content types .............................................................................................................. 131
HTTP requests: URL paths ......................................................................................................................... 132
Block unsafe URL path patterns......................................................................................................... 132
HTTP responses: Cookies........................................................................................................................... 132
Block cookies from a site ...................................................................................................................... 132
About the FTP proxy........................................................................................................................................ 133
Edit the FTP proxy........................................................................................................................................ 133
Set access control options........................................................................................................................ 133
FTP proxy: Proxy limits ............................................................................................................................... 134
About the POP3 proxy .................................................................................................................................... 135
Edit the POP3 proxy .................................................................................................................................... 135
Set access control options........................................................................................................................ 136
POP3 proxy: Proxy limits............................................................................................................................ 136
POP3 proxy: Content types ...................................................................................................................... 138
POP3 proxy: Allow only safe content types................................................................................... 138
About the SMTP proxy .................................................................................................................................... 139
Set access control options........................................................................................................................ 140
SMTP Proxy: Filter email by address pattern...................................................................................... 142
SMTP proxy: Email content....................................................................................................................... 143
Allow only safe content types ............................................................................................................ 143
Add or remove a content type........................................................................................................... 143
Add or remove file name patterns.................................................................................................... 143
Deny unsafe file name patterns......................................................................................................... 144
About the HTTPS proxy .................................................................................................................................. 144
About the Outgoing Proxy............................................................................................................................ 147
Settings tab ............................................................................................................................................... 147
Content tab ............................................................................................................................................... 147
About additional security subscriptions for proxies............................................................................ 147
Chapter 9 Default Threat Protection ..................................................................................................... 149
About intrusion prevention .......................................................................................................................... 149
About blocked sites ......................................................................................................................................... 150
Permanently blocked sites................................................................................................................... 150
Auto-blocked sites/Temporary Blocked Sites list........................................................................ 150
Block a site permanently ........................................................................................................................... 151
Block sites temporarily............................................................................................................................... 152