I can get proper response from http://plan9.bell-labs.com/sources/ by using mac/osx safari.
> 2016/10/03 2:42、James A. Robinson <j...@highwire.org> のメール： > > So... Does Alcatel-Lucent have a problem with AppleWebKit > users on principle? > > It looks to me as though my problem with browsing around > under http://plan9.bell-labs.com/sources/ (and other subpages) > is because the server doesn't like the User-Agent string: > > $ telnet plan9.bell-labs.com 80 > Trying 135.104.24.16... > Connected to plan9.bell-labs.com. > Escape character is '^]'. > GET /sources/contrib/ HTTP/1.1 > Host: plan9.bell-labs.com > Connection: keep-alive > Cache-Control: max-age=0 > Upgrade-Insecure-Requests: 1 > User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) > AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36 > Accept: > text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 > DNT: 1 > Accept-Encoding: gzip, deflate, sdch > Accept-Language: en-US,en;q=0.8 > > HTTP/1.1 200 OK > Connection closed by foreign host. > > And here it is again w/o the User-Agent string: > > $ telnet plan9.bell-labs.com 80 > Trying 135.104.24.16... > Connected to plan9.bell-labs.com. > Escape character is '^]'. > GET /sources/contrib/ HTTP/1.1 > Host: plan9.bell-labs.com > Connection: keep-alive > Cache-Control: max-age=0 > Upgrade-Insecure-Requests: 1 > Accept: > text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 > DNT: 1 > Accept-Encoding: gzip, deflate, sdch > Accept-Language: en-US,en;q=0.8 > > HTTP/1.1 200 OK > Server: Plan9 > Date: Sun, 02 Oct 2016 17:29:09 GMT > Connection: close > Last-Modified: Fri, 14 Mar 2014 22:14:11 GMT > Content-Type: text/html > > [... proper body returned...] > > I tried playing around with the UA value and found that if I change > AppleWebKit to something else such as AppleWebKis I get a > response... > > Jim >
