>>> TYPE I
<<< 200 Type set to I
>>> PBSZ 0
<<< 200 PBSZ Command successful.
>>> PROT P
<<< 200 PROT Command successful.
>>> PASV
<<< 227 Entering Passive Mode (XXX,XXX,XXX,XXX,23,237)
>>> ALLO 5
<<< 202 ALLO command ignored.
>>> STOR test
<<< 150 Opening data connection for test.
<<< 226 Transfer complete.
>>> QUIT
<<< 221 Goodbye.

##</code><code>##

>>> TYPE I
<<< 200 Type set to I
>>> PBSZ 0
<<< 200 PBSZ Command successful.
>>> PROT P
<<< 200 PROT Command successful.
>>> PASV
<<< 227 Entering Passive Mode (XXX,XXX,XXX,XXX,23,243)
>>> HELP
<<< 214- The following commands are recognized (* =>'s unimplemented).
<<<    USER    PORT    STOR    MSAM*   RNTO    NLST    MKD    CDUP
<<<    PASS    PASV    APPE    MRSQ*   ABOR*   SITE    XMKD*  XCUP*
<<<    ACCT*   TYPE    MLFL*   MRCP*   DELE    SYST    RMD    STOU
<<<    SMNT*   STRU    MAIL*   ALLO    CWD     STAT    XRMD*  SIZE
<<<    REIN    MODE    MSND*   REST*   XCWD*   HELP    PWD    MDTM*
<<<    QUIT    RETR    MSOM*   RNFR    LIST    NOOP    XPWD*  FEAT
<<<    AUTH    PBSZ    PROT    CCC
<<< 214 Direct comments to sysadm.
<<+ 214 The ALLO command is supported.
>>> ALLO 5
<<< 202 ALLO command ignored.
>>> STOR test
<<+ 555 Can't read command channel socket:
>>> QUIT
<<+ 555 Can't read command channel socket:

##</code><code>##

open("test", O_RDONLY)                  = 4
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff91df0b70) = -1 ENOTTY (Inappropriate ioctl for device)
lseek(4, 0, SEEK_CUR)                   = 0
fstat(4, {st_mode=S_IFREG|0777, st_size=5, ...}) = 0
fcntl(4, F_SETFD, FD_CLOEXEC)           = 0
write(2, ">>> PBSZ 0\n", 11>>> PBSZ 0
)            = 11
write(3, "\27\3\1\0\30Y\334L\2637>O\211\225C\313vG\302\233\311/\354\34\n\375\26JH", 29) = 29
read(3, "\27\3\1\0.", 5)                = 5
read(3, "|\3\256\307\305\26\3N\177\270\255\333\323\365a,\350\n9\234&\352\274\316\320{\2264\301y\204\321"..., 46) = 46
write(2, "<<< 200 PBSZ Command successful."..., 33<<< 200 PBSZ Command successful.
) = 33
write(2, ">>> PROT P\n", 11>>> PROT P
)            = 11
write(3, "\27\3\1\0\30<\203,c\325/\26\211\27*\246Q6\313,F\301\251\247l\327\227T\236", 29) = 29
read(3, "\27\3\1\0.", 5)                = 5
read(3, "\316>\361\207&%\350\351z\301R\234Z\227k\257\370<k9E\267P\225\r\300R\6\331\374\273\227"..., 46) = 46
write(2, "<<< 200 PROT Command successful."..., 33<<< 200 PROT Command successful.
) = 33
write(2, ">>> PASV\n", 9>>> PASV
)               = 9
write(3, "\27\3\1\0\26\207\31Pp!\301R\17\31\2600\275\203\326\34\233Z\21\225|\r|", 27) = 27
read(3, "\27\3\1\0A", 5)                = 5
read(3, "\263+\7(\272Fi\322\356\24 ;i\246\213\374\253\346\206\23\n'\244\366c\222\306wkCF\301"..., 65) = 65
write(2, "<<< 227 Entering Passive Mode (1"..., 52<<< 227 Entering Passive Mode (XXX,XXX,XXX,XXX,23,212)
) = 52
socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 5
ioctl(5, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff91df0d60) = -1 EINVAL (Invalid argument)
lseek(5, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
ioctl(5, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff91df0d60) = -1 EINVAL (Invalid argument)
lseek(5, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
fcntl(5, F_SETFD, FD_CLOEXEC)           = 0
connect(5, {sa_family=AF_INET, sin_port=htons(6100), sin_addr=inet_addr("XXX.XXX.XXX.XXX")}, 16) = 0
stat("test", {st_mode=S_IFREG|0777, st_size=5, ...}) = 0
stat("test", {st_mode=S_IFREG|0777, st_size=5, ...}) = 0