Date: Thu, 2 Apr 2020 10:02:27 -0600 From: Gary Aitken <freebsd@dreamchaser.org> To: Mike Clarke <jmc-freebsd2@milibyte.co.uk>, freebsd-questions@freebsd.org Subject: Re: weird 403 (forbidden) website access issue Message-ID: <2038d71a-e939-bbf3-77ad-d132a77e31e2@dreamchaser.org> In-Reply-To: <1807716.EnoYUHA41c@curlew> References: <ba457b4a-3362-d9e0-4b8a-c6204937819d@dreamchaser.org> <1f345a1d-f0c8-688c-c3e5-3a6b09ff1fa9@dreamchaser.org> <f3a7de61-162a-1196-eae1-16bd22124ebb@dreamchaser.org> <1807716.EnoYUHA41c@curlew>
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On 4/2/20 2:50 AM, Mike Clarke wrote: > On Wednesday, 1 April 2020 06:03:05 BST Gary Aitken wrote: > >> How likely is it that the small window size (1028) in the 4th pair >> (HTTP: GET request) is causing the server to refuse the request? If >> so, is this a firefox issue or an underlying tcp issue? > > It's not just Firefox. I've tried Firefox, Chrome, Midori and > Konqueror and get the 403 code with them all from my FreeBSD box but > no problem with Firefox, Chrome and Edge on Windows 10. > > But I think I've found a clue to the cause. I tried Lynx with its > default settings and it worked fine but when I changed the user agent > header to > > Mozilla/5.0 (X11; FreeBSD amd64; rv:74.0) Gecko/ 20100101 Firefox/74.0 > I got a 403 error. > > Looks like the server is only accepting requests from a restricted > range of browser and OS combinations > > Lynx/2.8.9rel.1 libwww-FM/2.14 SSL-MM/1.4.1 OpenSSL/1.1.1d-freebsd > is accepted but > Mozilla/5.0 (X11; FreeBSD amd64; rv:74.0) Gecko/20100101 Firefox/74.0 > appears to be regarded as 'dangerous'. Thank you! I will see what the hosting service has to say from there. I got similar refusals from some sites such as lowes.com as well. Gary
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