Blue Coat Systems Proxy SG The following table lists custom headers that are recognized by the ProxySG.

ProxySG Content Policy Language Guide
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The following table lists custom headers that are recognized by the ProxySG.
If-Match Request X
If-Modified-Since Request
If-None-Match Request X
If-Range Request
If-Unmodified-Since Request
Last-Modified Request/Response
Location Response X X
Max-Forwards Request
Meter Request/Response X X
Pragma Request/Response X X
Proxy-Authenticate Response X
Proxy-Authorization Request X
Proxy-Connection Request X
Range Request X X
Referer Request X X
Retry-After Response X X
Server Response X X
Set-Cookie Response X X X
Set-Cookie2 Response X X X
TE Request X
Trailer Request/Response X
Transfer-Encoding Request/Response X
Upgrade Request/Response X
User-Agent Request X X
Vary Resp onse X X X
Via Request/Response X X X
Warning Request/Response X X X
WWW-Authenticate Response
Table C.2: Custom HTTP Headers Recognized by the ProxySG
Header Field Request/Response Form Allowed Actions
Authentication-Info Response append( )
Front-End-Https Request/Response rewrite( ), set( ), delete( )
P3P Request/Response rewrite( ), set( ), delete( )
Refresh Request/Response rewrite( ), set( ), delete( )
X-BlueCoat-Error Request/Response Cannot be modified.
X-BlueCoat-Via Request/Response delete( )
X-Forwarded-For Request rewrite( ), set( ), delete( )
Table C.1: HTTP Headers Recognized by the ProxySG