Hi, This was first reported to EOS (https://its.cern.ch/jira/browse/EOS-5203) but they told me it was an xrood issue. ARC clients (for historical reasons) use the full URI in HTTP requests by default. This fails on EOS with 404: ``` [dcameron@lxplus722] ~> arccp -d DEBUG https://eosatlas.cern.ch/eos/atlas/atlasdatadisk/rucio/data18_13TeV/ff/ff/HIST_HLTMON.14686823._000075.pool.root.1 /tmp/dcameron/ ... DEBUG: > GET https://eosatlas.cern.ch/eos/atlas/atlasdatadisk/rucio/data18_13TeV/ff/ff/HIST_HLTMON.14686823._000075.pool.root.1 HTTP/1.1 Host: eosatlas.cern.ch:443 Connection: keep-alive user-agent: ARC DEBUG: No security processing/check requested for 'incoming' DEBUG: < HTTP/1.1 404 NOT_FOUND DEBUG: < Connection: Keep-Alive DEBUG: < Content-Length: 3846 DEBUG: < Content-Type: text/html DEBUG: < Date: Mon, 11 Apr 2022 06:44:33 GMT ``` Although the client behaviour is not really correct, [RFC 7230](https://www.rfc-editor.org/rfc/rfc7230#section-5.3.2) states that the server must support it: > To allow for transition to the absolute-form for all requests in some > future version of HTTP, a server MUST accept the absolute-form in > requests, even though HTTP/1.1 clients will only send them in > requests to proxies. Cheers, David -- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/1675 You are receiving this because you are subscribed to this thread. Message ID: <[log in to unmask]> ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1