Web proxy object source log values

Article
02/25/2011

Applies To: Forefront Threat Management Gateway (TMG)

The Web Proxy log can include an object source field that specifies the source that was used to retrieve the current object. The following table lists the possible object source values.

Value displayed in SQL Server and SQL Express Server log format	Value displayed in log viewer	Value displayed in text file log format	Description
0	0	0	No source information is available
1	Cache	Cache	Source is the cache. Object returned from cache.
2	Verified cache	Vcache	Source is the cache. Object was verified to source and had not been modified.
3	Not Verified Cache	NVcache	Source is the cache. Object could not be verified to source.
4	Verify Failed Internet	VFInet	Source is the Internet. Cached object was verified to source and had been modified.
5	Internet	Inet	Source is the Internet. Object added to cache.
6	Member	Member	Returned from another array member.
7	Upstream	Upstream	Object returned from an upstream proxy cache.
8	Not Modified	Not Modified	Source is the cache. Client performed an IF-MODIFIED-SINCE request and object had not been modified.