domains with accented international characters fail with Invalid URL

Patrick Chemla <patrick.chemla@xxxxxxxxxxxxxxxxxxxxxxxx> · Tue, 12 May 2020 14:40:59 +0300



    Hi,
    

    In the past I asked few questions here and got very efficient
      help, so I try again.
    

    I have a french domain using accented letters in the domain name
      itself  like "aaaébbbéooooooo.com" knowned as xn--xxx-xxx.fr in
      DNS and Apache configuration.
    

    I am trying to setup squid 3.5.20 (last version updated  as an
      available package on Centos 7.7) as a proxy cache  to deliver
      images for all domains on this server, but it fails for that
      particular domain with message Invalid URL.
    

    Here are the access_logs:
    

    - 88.88.88.xx - - - [12/May/2020:08:05:43
          +0200] " @%F1%F4%EA%F8?%80%E6Q%EAWH%D5%04zEa)%B1%A7%C1%9B%AA -
          HTTP/1.1" 400 3941 0 "-" "-" TAG_NONE:HIER_NONE

          - 88.88.88.xx - - - [12/May/2020:08:05:52 +0200] "GET / -
          HTTP/1.1" 400 3755 0 "-" "-" TAG_NONE:HIER_NONE

          - 88.88.88.xx - - - [12/May/2020:08:05:52 +0200] "GET
          http://hostname:3128/squid-internal-static/icons/SN.png
          /squid-internal-static/icons/SN.png HTTP/1.1" 200 12939 0
          "http://www.xn--xxx-xxx.fr:3128/" "Mozilla/5.0 (X11; Fedora;
          Linux x86_64; rv:70.0) Gecko/20100101 Firefox/70.0"
          TCP_MEM_HIT:HIER_NONE

          - 88.88.88.xx - - - [12/May/2020:08:05:52 +0200] "GET
          /favicon.ico - HTTP/1.1" 400 3777 0 "-" "-" TAG_NONE:HIER_NONE

          - 88.88.88.xx - - - [12/May/2020:08:07:23 +0200] "GET / -
          HTTP/1.1" 400 3755 0 "-" "-" TAG_NONE:HIER_NONE

          - 88.88.88.xx - - - [12/May/2020:08:07:23 +0200] "GET
          http://hostname:3128/squid-internal-static/icons/SN.png
          /squid-internal-static/icons/SN.png HTTP/1.1" 200 12939 0
          "http://xn--xxx-xxx.fr:3128/" "Mozilla/5.0 (X11; Fedora; Linux
          x86_64; rv:70.0) Gecko/20100101 Firefox/70.0"
          TCP_MEM_HIT:HIER_NONE

          - 88.88.88.xx - - - [12/May/2020:08:07:23 +0200] "GET
          /favicon.ico - HTTP/1.1" 400 3777 0 "-" "-" TAG_NONE:HIER_NONE

          - 88.88.88.xx - - - [12/May/2020:08:16:16 +0200] "GET / -
          HTTP/1.1" 400 3755 0 "-" "-" TAG_NONE:HIER_NONE

          - 88.88.88.xx - - - [12/May/2020:08:16:16 +0200] "GET
          http://hostname:3128/squid-internal-static/icons/SN.png
          /squid-internal-static/icons/SN.png HTTP/1.1" 200 4098 0
          "http://www.xn--xxx-xxx.fr:3128/" "Mozilla/5.0 (X11; Fedora;
          Linux x86_64; rv:70.0) Gecko/20100101 Firefox/70.0"
          TCP_MEM_HIT_ABORTED:HIER_NONE

    
    I tried to search google  but can't find any details on a special
      setting in squid.conf to accept accented internationals letters.
    

    Maybe someone here could help?
    

    Many thanks in advance.
    

    Patrick

    
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