pls replace web server configuration as follow as user root
mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.save
nano /etc/lighttpd/lighttpd.conf
simply mark whole block and copy following inside
server.modules = (
"mod_indexfile",
"mod_setenv",
"mod_access",
"mod_alias",
"mod_redirect",
"mod_accesslog",
)
server.document-root = "/var/www"
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
accesslog.filename = "/var/log/lighttpd/access.log"
# 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",
)
and restart the web server
systemctl restart lighttpd.service
let’s check available as well as enabled configuration
ls -la /etc/lighttpd/conf-{available,enabled}