(picture not licenced under creative commons) shell : neritoid (the species name indicates this already). the shell of this snail is quite heavy and thick. colour: olive green. operculum: corneous body: dark. eggs: aquatic eggs in gelatineous clutches. habitat: lives in streaming, oxigen rich water (...
authentication digest access authentication v t e the x-forwarded-for (xff) http header field is a common method for identifying the originating ip address of a client connecting to a web server through an http proxy or load balancer . the x-forwarded-for http request header was introduced by the squid...