// env var HTTP_PROXY contains the address of the default proxy to use if
// set, but don't try to create this proxy right now because it will slow
// down the program startup (especially if there is no DNS server
// available, in which case it may take up to 1 minute)
// env var HTTP_PROXY contains the address of the default proxy to use if
// set, but don't try to create this proxy right now because it will slow
// down the program startup (especially if there is no DNS server
// available, in which case it may take up to 1 minute)