Date: Wed, 11 May 2005 14:47:38 +0800 From: Xu Qiang <Qiang.Xu@fujixerox.com> To: Kris Kennaway <kris@obsecurity.org>, "Qiang (XSSC) Xu" <Qiang.Xu@fujixerox.com> Cc: freebsd-questions@FreeBSD.org Subject: RE: Ports proxy configuration? Message-ID: <20050511063829.AF4201D936@imss.sgp.fujixerox.com>
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Kris Kennaway wrote:
> ENVIRONMENT
> FTP_TIMEOUT maximum time, in seconds, to wait before aborting
> an FTP connection.
> =
> HTTP_TIMEOUT maximum time, in seconds, to wait before aborting
> an HTTP connection.
> =
> All environment variables mentioned in the documentation for the
> fetch(3) library are supported. A number of these are quite
> important to the proper operation of fetch; you are strongly
> encouraged to read fetch(3) as well.
Ah, here is it: =
---------------------------------------------------------
ENVIRONMENT
FETCH_BIND_ADDRESS Specifies a hostname or IP address to which socket=
s
used for outgoing connections will be bound.
FTP_LOGIN Default FTP login if none was provided in the URL.=
FTP_PASSIVE_MODE If set to anything but `no', forces the FTP code t=
o
use passive mode.
FTP_PASSWORD Default FTP password if the remote server requests=
one and none was provided in the URL.
FTP_PROXY URL of the proxy to use for FTP requests. The doc=
u-
ment part is ignored. FTP and HTTP proxies are su=
p-
ported; if no scheme is specified, FTP is assumed.=
If the proxy is an FTP proxy, libfetch will send
`user@host' as user name to the proxy, where `user=
'
is the real user name, and `host' is the name of t=
he
FTP server.
If this variable is set to an empty string, no pro=
xy
will be used for FTP requests, even if the HTTP_PR=
OXY
variable is set.
ftp_proxy Same as FTP_PROXY, for compatibility.
HTTP_AUTH Specifies HTTP authorization parameters as a colon=
-
separated list of items. The first and second ite=
m
are the authorization scheme and realm respectivel=
y;
further items are scheme-dependent. Currently, on=
ly
basic authorization is supported.
Basic authorization requires two parameters: the u=
ser
name and password, in that order.
This variable is only used if the server requires
authorization and no user name or password was spe=
ci-
fied in the URL.
HTTP_PROXY URL of the proxy to use for HTTP requests. The do=
cu-
ment part is ignored. Only HTTP proxies are sup-
ported for HTTP requests. If no port number is sp=
ec-
ified, the default is 3128.
Note that this proxy will also be used for FTP doc=
u-
ments, unless the FTP_PROXY variable is set.
http_proxy Same as HTTP_PROXY, for compatibility.
HTTP_PROXY_AUTH Specifies authorization parameters for the HTTP pr=
oxy
in the same format as the HTTP_AUTH variable.
This variable is used if and only if connected to =
an
HTTP proxy, and is ignored if a user and/or a pass=
-
word were specified in the proxy URL.
HTTP_REFERER Specifies the referrer URL to use for HTTP request=
s.
If set to ``auto'', the document URL will be used =
as
referrer URL.
HTTP_USER_AGENT Specifies the User-Agent string to use for HTTP
requests. This can be useful when working with HT=
TP
origin or proxy servers that differentiate between=
user agents.
NETRC Specifies a file to use instead of ~/.netrc to loo=
k
up login names and passwords for FTP sites. See
ftp(1) for a description of the file format. This=
feature is experimental.
EXAMPLES
To access a proxy server on proxy.example.com port 8080, set the
HTTP_PROXY environment variable in a manner similar to this:
HTTP_PROXY=3Dhttp://proxy.example.com:8080
If the proxy server requires authentication, there are two options ava=
il-
able for passing the authentication data. The first method is by usin=
g
the proxy URL:
HTTP_PROXY=3Dhttp://<user>:<pwd>@proxy.example.com:8080
The second method is by using the HTTP_PROXY_AUTH environment variable=
:
HTTP_PROXY=3Dhttp://proxy.example.com:8080
HTTP_PROXY_AUTH=3Dbasic:*:<user>:<pwd>
---------------------------------------------------------
Particularly, I am interested in two environmental variables: FTP_PROXY and=
HTTP_PROXY. I may use it as: =
#env FTP_PROXY=3D"hostnme:port" make install clean
Thank you very much, =
Regards,
Xu Qiang
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