I traced the headers with a firefox plugin for the requested page: 
GET /livelink_en/livelink/fetch/2000/customview.html?func=llworkspace 
+HTTP/1.1

Host: tsi-myworkroom.telekom.de

User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.6) Gecko/
+20070725 Firefox/2.0.0.6

Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9
+,text/plain;q=0.8,image/png,*/*;q=0.5

Accept-Language: en-us,en;q=0.5

Accept-Encoding: gzip,deflate

Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7

Keep-Alive: 300

Connection: keep-alive

Cookie: LLCookie=vDF63XqtCC4%3D; LLTZCookie=0; SMSESSION=caPsWnnX9ytaP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; JSESSIONID
+=6809B0E13E9DEBF6265377F798EAD315; AtlasURLCookie=https%3A%2F%2Ftsi-m
+yworkroom.telekom.de%2Flivelink_en%2Flivelink%2Ffetch%2F2000%2Fcustom
+view.html%3Ffunc%3Dllworkspace

Cache-Control: max-age=0

[download]
nothing strange so far.. But I noticed something in the response header which is given back to the request of my perl script. 
Connection: close
Date: Thu, 18 Oct 2007 10:44:48 GMT
Via: 1.1 G8NTQV01.bmbg01.telekom.de (Alteon iSD-SSL/3.1.6.2)
Server: Sun-ONE-Web-Server/6.1
Content-Type: text/html
Expires: -1
Client-Date: Thu, 18 Oct 2007 10:44:49 GMT
Client-Peer: 164.29.91.244:443
Client-Response-Num: 1
Client-SSL-Cert-Issuer: /C=DE/O=T-Systems Enterprise Services GmbH/OU=
+Trust Center Deutsche Telekom/CN=Deutsche Telekom CA 5
Client-SSL-Cert-Subject: /O=T-Systems CDS GmbH/OU=CS Unit 7/L=Bamberg/
+ST=Bayern/C=DE/CN=tsi-myworkroom.telekom.de
Client-SSL-Cipher: DES-CBC3-SHA
Client-SSL-Warning: Peer certificate not verified
Link: </livelink_ensupport/livelink.css>; rel="stylesheet"; type="text
+/css"
Refresh: 0; URL=/livelink_en/livelink/fetch/2000/customview.html?func=
+llworkspace
Set-Cookie: LLInProgress=; Expires=Sun, 01 Jan 1995 08:00:00 GMT; path
+=/livelink_en/
Set-Cookie: LLCookie=vDF63XqtCC4%3D; path=/livelink_en/
Set-Cookie: LLTZCookie=0; path=/livelink_en/
Title: Livelink - Redirection

[download]
It says "Client-SSL-Warning: Peer certificate not verified", could this be the reason? And what should I do next? thanks! dibucho

In reply to Re^4: LWP::UserAgent, redirection does not work by Anonymous Monk
in thread LWP::UserAgent, redirection does not work by dibucho

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