I think that once I used export http_proxy=http://user:password@address:port/successfully. But now when I use wget it showsError parsing proxy URL http://user:passwordaddress:port/: Bad port number.Why it ignores the @ symbol? How to make it work?I also tried wget --proxy-user=USERNAME --proxy-password=PASSWORD But it returnedProxy request sent, awaiting response... 407 Proxy Authentication Required  2011-06-09 14:01:18 ERROR 407: Proxy Authentication Required.
How to setup proxy authentication in the Debian shell?
debian;authentication;proxy;http proxy
Did you try the following syntax ?    http_proxy=http://address:port/ wget --proxy-user=USERNAME --proxy-password=PASSWORD http://url