[horde] Strange problem of redirection

[Debhian]

I have run test.php, all tests are correct. The configuration is ok. I
erased my cookies.

But when i lauch horde, i have a infinite loop of redirection :

[00:34:10 +0200] "GET
/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1
HTTP/1.1" 200 353 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:10 +0200] "GET /webmail/horde/services/portal/sidebar.php HTTP/1.1"
302 26 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:10 +0200] "GET /webmail/horde/login.php HTTP/1.1" 200 353 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:10 +0200] "GET /webmail/horde/login.php?frameset_loaded=1 HTTP/1.1"
302 26 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:11 +0200] "GET /webmail/horde/services/portal/sidebar.php HTTP/1.1"
302 26 "http://domain/webmail/horde/login.php" "..."
[00:34:11 +0200] "GET
/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1
HTTP/1.1" 200 353 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:11 +0200] "GET /webmail/horde/login.php HTTP/1.1" 200 353 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:11 +0200] "GET /webmail/horde/login.php?frameset_loaded=1 HTTP/1.1"
302 26 "http://domain/webmail/horde/login.php" "..."
[00:34:11 +0200] "GET /webmail/horde/services/portal/sidebar.php HTTP/1.1"
302 26 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:11 +0200] "GET
/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1
HTTP/1.1" 200 353 "http://domain/webmail/horde/login.php" "..."
[00:34:12 +0200] "GET /webmail/horde/login.php HTTP/1.1" 200 353 "
http://domain/webmail/horde/login.php" "..."
[00:34:12 +0200] "GET /webmail/horde/login.php?frameset_loaded=1 HTTP/1.1"
302 26 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:12 +0200] "GET /webmail/horde/services/portal/sidebar.php HTTP/1.1"
302 26 "http://domain/webmail/horde/login.php" "..."
[00:34:12 +0200] "GET
/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1
HTTP/1.1" 200 353 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:12 +0200] "GET /webmail/horde/login.php HTTP/1.1" 200 353 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:13 +0200] "GET /webmail/horde/login.php?frameset_loaded=1 HTTP/1.1"
302 26 "http://domain/webmail/horde/login.php" "..."
[00:34:13 +0200] "GET /webmail/horde/services/portal/sidebar.php HTTP/1.1"
302 26 "
http://domain/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1"
"..."
[00:34:13 +0200] "GET
/webmail/horde/login.php?url=%2Fwebmail%2Fhorde%2Fservices%2Fportal%2Fsidebar.php&nosidebar=1
HTTP/1.1" 200 353 "http://domain/webmail/horde/login.php" "..."
[00:34:13 +0200] "GET /webmail/horde/login.php HTTP/1.1" 200 353 "
http://domain/webmail/horde/login.php" "..."

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