On Mon, 25 Feb 2013 22:47:15 -0800 (PST)
> I am getting error while pushing the committed changes in GIT
> repository using LDAP authentication.
> [root@imsgit imstest_ldap]# git push
> * Couldn't find host 10.142.201.122 in the .netrc file; using defaults
> * About to connect() to 10.142.201.122 port 8080 (#0)
> * Trying 10.142.201.122... * connected
> * Connected to 10.142.201.122 (10.142.201.122) port 8080 (#0)
> > GET /git/imstest_ldap.git/info/refs?service=git-receive-pack
> > HTTP/1.1
> User-Agent: git/188.8.131.52
> Host: 10.142.201.122:8080
> Accept: */*
> Accept-Encoding: gzip
> Pragma: no-cache
> * The requested URL returned error: 403
> * Closing connection #0
> error: The requested URL returned error: 403 while accessing
> fatal: HTTP request failed
> [root@imsgit imstest_ldap]#
Note that if authentication was really enabled on the server, you'd
receive "401 Unauthorized" and a header (or headers) listing available
Instead, the server just rejected the request with 403.
> HTTP logs are as below
> ==> error_log <==
> [Mon Feb 25 12:40:04 2013] [error] [client 10.142.201.122] Service
> not enabled: 'receive-pack'
> ==> access_log <==
> 10.142.201.122 - - [25/Feb/2013:12:40:04 +0530] "GET
> /git/imstest_ldap.git/info/refs?service=git-receive-pack HTTP/1.1"
> 403 - "-" "git/184.108.40.206"
As usually, I googled for the precise error message and towards the end
of  I read:
If you see this in Apache's error_log:
Service not enabled: 'receive-pack'
This means that $REMOTE_USER isn't set — that is, user-authentication
failed. Git-http-backend needs the $REMOTE_USER to be set in order to
record who did the PUSH.
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