ftp.c: EPSV: response 500 = broken server (or pure-ftpd -b)
ftp.c: EPSV: response 500 = broken server (or pure-ftpd -b)

500 = syntax error, command unrecognized

this error is only possible if using ipv4

also don't disable MLSD, only EPSV and EPRT

masneyb/gftp,masneyb/gftp