Custom filename in a rolling Log4Net logfile?

Question

We have a ASP .Net application whereby we use Log4Net to log details within the app - nothing new there - and the rolling log filenames are in the usual format of:

Answer 1

I believe the Log4Net configuration file supports environment variables (e.g. USERNAME) as well as customizable patterns which should give you what you want.

Look at "PatternString for pattern based configuration" in the Log4Net V1.2.10 release notes.