fetch is tarpitted by Texas Instruments and/or Akamai and can not download distfiles for TI-related ports.

[Dimitry Andric]

On 3 Apr 2020, at 15:08, Kurt Jaeger <pi at freebsd.org> wrote:
> 
> Hi!
> 
>> It is true for both IPv4 and IPv6, and for Russia and Germany (I can
>> not test from USA, though).
> 
> I tried it from freefall, same problem.

Typically one of those "Endpoint Protection" products, they have some sort of whitelist or blacklist of bad user agents. Using "curl/7.68.0" as user agent works:

$ fetch -vvv --user-agent="curl/7.68.0" http://www.ti.com/lit/ug/slau646e/slau646e.pdf
scheme:   "http"
user:     ""
password: ""
host:     "www.ti.com"
port:     "0"
document: "/lit/ug/slau646e/slau646e.pdf"
---> www.ti.com:80
resolving server address: www.ti.com:80
requesting http://www.ti.com/lit/ug/slau646e/slau646e.pdf
>>> GET /lit/ug/slau646e/slau646e.pdf HTTP/1.1
>>> Host: www.ti.com
>>> Accept: */*
>>> User-Agent: curl/7.68.0
>>> Connection: close
>>>
<<< HTTP/1.1 200 OK
<<< Server: Apache
<<< Last-Modified: Wed, 26 Jun 2019 21:34:37 GMT
<<< ETag: "1551ab-58c40cfeb6c6f"
last modified: [2019-06-26 21:34:37]
<<< Accept-Ranges: bytes
<<< Content-Length: 1397163
<<< Cache-Control: max-age=60
content length: [1397163]
<<< Expires: Thu, 30 Jan 2020 09:27:51 GMT
<<< Content-Type: application/pdf
<<< Date: Fri, 03 Apr 2020 17:30:20 GMT
<<< Connection: close
<<< Set-Cookie: ti_geo=country=XX|city=YYYYYYY|continent=EU|tc_ip=n.m.o.p; path=/; domain=.ti.com
<<< Set-Cookie: ti_rid=3110b500; path=/; domain=.ti.com
<<< Set-Cookie: ti_ua=curl%2f7.68.0; path=/; domain=.ti.com
<<< Set-Cookie: ti_ak_id=67fba42067fba42067fba4205e8772ac3110b500; expires=Sat, 03-Apr-2021 17:30:20 GMT; path=/; domain=.ti.com
<<< Set-Cookie: ti_ridh=expired; path=/; domain=ti.com; expires=Thu, 1-Aug-2019 06:14:04 GMT
<<< Set-Cookie: ti_bm=; path=/; domain=.ti.com
<<<
offset 0, length -1, size -1, clength 1397163
local size / mtime: 1397163 / 1585934997
remote size / mtime: 1397163 / 1561584877
slau646e.pdf                                          1364 kB   15 MBps    00s

You can immediately see they're trying to violate cookie laws. ;-)  The "ti_ua" cookie stores the user agent, and I guess "tk_ak_id" is the Akamai ID (a.k.a. personally identifiable information).

-Dimitry

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