User Guide ix
Configure policy-based routing ............................................................................................................. 227
Policy-based routing, failover, and failback ....................................................................................... 228
Restrictions on policy-based routing.................................................................................................... 228
Add policy-based routing to a policy ................................................................................................... 228
Set a custom idle timeout......................................................................................................................... 229
Set ICMP error handling............................................................................................................................. 229
Apply NAT rules ............................................................................................................................................ 229
1-to-1 NAT....................................................................................................................................................... 229
Set the sticky connection duration for a policy ................................................................................ 230
Chapter 13 Proxy Settings .......................................................................................................................231
About proxy policies and ALGs.................................................................................................................... 231
Proxy configuration..................................................................................................................................... 231
Add a proxy policy to your configuration................................................................................................ 232
Set the proxy action in a proxy definition........................................................................................... 234
Edit, delete, or clone proxy actions ....................................................................................................... 234
About the DNS proxy ...................................................................................................................................... 235
Policy tab......................................................................................................................................................... 235
Advanced tab ................................................................................................................................................ 236
Settings and Content tabs........................................................................................................................ 236
About the FTP proxy........................................................................................................................................ 239
Policy tab......................................................................................................................................................... 239
Properties tab................................................................................................................................................ 239
Advanced tab ................................................................................................................................................ 239
Settings and Content tabs........................................................................................................................ 240
FTP proxy: Content...................................................................................................................................... 240
About the H.323 ALG....................................................................................................................................... 242
VoIP components......................................................................................................................................... 242
ALG functions................................................................................................................................................ 242
Properties tab................................................................................................................................................ 243
Advanced tab ................................................................................................................................................ 243
Settings and Content tabs........................................................................................................................ 243
H.323 ALG: Settings..................................................................................................................................... 246
About the HTTP proxy..................................................................................................................................... 247
Policy tab......................................................................................................................................................... 247
Properties tab................................................................................................................................................ 247
Settings and Content tabs........................................................................................................................ 248
Allow Windows updates through the HTTP proxy .......................................................................... 248
If you still cannot download Windows updates .......................................................................... 248
File name patterns.................................................................................................................................. 250
HTTP proxy: Settings tab ........................................................................................................................... 252
HTTP requests........................................................................................................................................... 253
HTTP responses........................................................................................................................................ 253
HTTP proxy exceptions ......................................................................................................................... 254
Policy tab......................................................................................................................................................... 255
Properties tab................................................................................................................................................ 255
Settings and Content tabs........................................................................................................................ 256
HTTPS Proxy: Content................................................................................................................................. 256
HTTPS Proxy: Settings................................................................................................................................. 258
Policy tab......................................................................................................................................................... 260
Properties tab................................................................................................................................................ 260
Advanced tab ................................................................................................................................................ 260
POP3 Proxy: Content................................................................................................................................... 261