graph vvv { # rankdir=LR lurk [href="http://echo.lurk.org:999/"] [label="echo.lurk.org"]; xpub [href="http://xpub.nl/"] [label="xpub.nl"]; sandbox [href="http://hub.xpub.nl/sandbox/"] [label="sandbox"]; lurk--sandbox [label="radiostream"] [color =red]; sandbox--xpub [label="proxy"]; xpub--lurk [label="