Apache log format: repeat headers

Question

The LogFormat directive allows you to set a custom format for your log files, including any headers you're interested in, such as:

\"%{Referer}i\" \"%{Location}o\"

However, some headers may be used more than once in a single HTTP request:

Cache-Control: no-cache
Cache-Control: no-store

Apache only outputs the first of these headers in the log. Is there any way of logging out all of the values?

maybe you can change it for `Cache-Control: no-cache, no-store` ? ;) — Froggiz, Dec 02 '15 at 10:20
That was just one example, there are other headers like `Authorization` that may be repeated. Even if merging them is the answer, before you can change them you need to find them, hence the desire to log them. — Marcus Downing, Dec 02 '15 at 10:25

score 1 · Answer 1 · answered Dec 02 '15 at 14:24

1

You can't do it dynamically with default Apache log configuration, you have to use mod_log_forensic : https://httpd.apache.org/docs/2.4/fr/mod/mod_log_forensic.html

answered Dec 02 '15 at 14:24

Froggiz

Are there any good tools for reading `mod_log_forensic` output? – Marcus Downing Dec 02 '15 at 14:26
It appears that `mod_log_forensic` only shows the full request headers, not the response headers. – Marcus Downing Dec 02 '15 at 14:34
Even Apache default logs are logging request infos, then check this http://serverfault.com/questions/214799/how-can-i-log-the-response-header-and-body-in-apache – Froggiz Dec 02 '15 at 14:40

1 Answers1