accessing dedicate server.document-root in lighttpd returns 404

Question

I have a default lighttpd installation with server.document-root = /var/www/html

/etc/lighttpd/lighttpd.conf

server.modules = (
    "mod_indexfile",
    "mod_access",
    "mod_alias",
    "mod_redirect",
)

server.document-root        = "/var/www/html"
server.upload-dirs          = ( "/var/cache/lighttpd/uploads" )
server.errorlog             = "/var/log/lighttpd/error.log"
server.pid-file             = "/var/run/lighttpd.pid"
server.username             = "www-data"
server.groupname            = "www-data"
server.port                 = 80

# strict parsing and normalization of URL for consistency and security
# https://redmine.lighttpd.net/projects/lighttpd/wiki/Server_http-parseoptsDetails
# (might need to explicitly set "url-path-2f-decode" = "disable"
#  if a specific application is encoding URLs inside url-path)
server.http-parseopts = (
  "header-strict"           => "enable",# default
  "host-strict"             => "enable",# default
  "host-normalize"          => "enable",# default
  "url-normalize-unreserved"=> "enable",# recommended highly
  "url-normalize-required"  => "enable",# recommended
  "url-ctrls-reject"        => "enable",# recommended
  "url-path-2f-decode"      => "enable",# recommended highly (unless breaks app)
 #"url-path-2f-reject"      => "enable",
  "url-path-dotseg-remove"  => "enable",# recommended highly (unless breaks app)
 #"url-path-dotseg-reject"  => "enable",
 #"url-query-20-plus"       => "enable",# consistency in query string
)

index-file.names            = ( "index.php", "index.html" )
url.access-deny             = ( "~", ".inc" )
static-file.exclude-extensions = ( ".php", ".pl", ".fcgi" )

compress.cache-dir          = "/var/cache/lighttpd/compress/"
compress.filetype           = ( "application/javascript", "text/css", "text/html", "text/plain" )

# default listening port for IPv6 falls back to the IPv4 port
include_shell "/usr/share/lighttpd/use-ipv6.pl " + server.port
include_shell "/usr/share/lighttpd/create-mime.conf.pl"
include "/etc/lighttpd/conf-enabled/*.conf"

#server.compat-module-load   = "disable"
server.modules += (
    "mod_compress",
    "mod_dirlisting",
    "mod_staticfile",
)

Then I have some other webpages under /var/www/rss which should be served when I use https://myip/rss or when I use https://rss.mydomain.dev. So I introduced this config

/etc/lighttpd/conf-enabled/20-tt-rss.conf

$HTTP["url"] =~ "^/rss/" {
    server.document-root = "/var/www/rss"
    dir-listing.activate = "disable"
    $HTTP["url"] =~ "^/rss/(locale|classes|schema|lock|utils|cache|templates|\.git)/" {
        url.access-deny = ( "" )
    }
    expire.url = (
        "/rss/css/" => "access plus 1 days",
        "/rss/images/" => "access plus 1 days",
        "/rss/js/" => "access plus 1 days",
        "/rss/feed-icons/" => "access plus 1 hours"
    )
} else $HTTP["host"] == "rss.mydomain.dev" {
    server.document-root = "/var/www/rss"
    dir-listing.activate = "disable"
    $HTTP["url"] =~ "rss.mydomain.com/(locale|classes|schema|lock|utils|cache|templates|\.git)/" {
        url.access-deny = ( "" )
    }
    expire.url = (
        "rss.mydomain.dev/css/" => "access plus 1 days",
        "rss.mydomain.dev/images/" => "access plus 1 days",
        "rss.mydomain.dev/js/" => "access plus 1 days",
        "rss.mydomain.dev/feed-icons/" => "access plus 1 hours"
    )   
}

When using http://myip/rss/ I get a 404

When using http://rss.mydomain.dev I get the "Placeholder page"

I am clearly missing something but as new user to lighttpd I don't see what.

Do the logs say anything useful? Maybe with debug logging enabled? — sebix, Feb 02 '21 at 08:00
nothing in `error.log` and only this in `access.log`: `[02/Feb/2021:08:34:41 +0100] "GET /rss/ HTTP/1.1" 404 341 "-" "Mozilla/5.0 (X11; Linux x86_64; rv:85.0) Gecko/20100101 Firefox/85.0"` — papanito, Feb 02 '21 at 08:01
are files from `/etc/lighttpd/conf-enabled/` loaded automatically or does it need to be configured somewhere? — papanito, Feb 02 '21 at 08:13
your config says `include "/etc/lighttpd/conf-enabled/*.conf"`. I would enable debug logging to get more insights — sebix, Feb 03 '21 at 11:49

score 0 · Answer 1 · answered Jul 10 '21 at 20:13

lighttpd debug variables provide noisy details on how lighttpd processes the request, and might be useful to you.

Another option is to strace -s 1024 the lighttpd process, make a request, and review the filesystem accesses.

lighttpd configuration processing occurs procedurally, in the order configured. If you have multiple conditions which set server.document-root, then the last condition that matches the request and sets server.document-root is the one that takes effect for server.document.root. (global settings are treated as if they were set first, no matter where in the config they appear)

While you included your lighttpd.conf in the question, you did not include the complete configuration. Try running lighttpd -f /etc/lighttpd/lighttpd.conf -p to print the complete configuration.

accessing dedicate server.document-root in lighttpd returns 404

1 Answers1