** Description changed:

  Ubuntu 16.04.04
  curlftpfs 0.9.2 libcurl/7.47.0 fuse/2.9
  
  curlftpfs:
-   Installed: 0.9.2-9
-   Candidate: 0.9.2-9
-   Version table:
-  *** 0.9.2-9 500
-         500 http://eu-west-1.ec2.archive.ubuntu.com/ubuntu xenial/universe 
amd64 Packages
-         100 /var/lib/dpkg/status
- 
+   Installed: 0.9.2-9
+   Candidate: 0.9.2-9
+   Version table:
+  *** 0.9.2-9 500
+         500 http://eu-west-1.ec2.archive.ubuntu.com/ubuntu xenial/universe 
amd64 Packages
+         100 /var/lib/dpkg/status
  
  Running on AWS EC2
  
  Connecting to Filezilla Server on Windows.
  
  PUT a file of 1440 Bytes or less no problems, 1 byte more or above
  results in a 0 byte file.
  
  Tested on 2 separate 16.04 EC2 instances.
  
  Same test on an Ubuntu 14.04:
  curlftpfs 0.9.2 libcurl/7.35.0 fuse/2.9
  
  and it works no problem, possibly pointing the finger towards libcurl?
  
+ Note: I have tested this transferring to PureFTP server and got a
+ success. But transferring to Filezilla server failed. Apologies if this
+ means the issue is there. Although manual transfers to the same
+ Filezilla server instance both Passive and Active work. As do transfers
+ from the 14.04 LTS implementation as mentioned above.
+ 
+ In order to reproduce this, setup a basic Filezilla server instance, In my 
instance on a basic Windows 7 machine using version 0.9.60.2. Make sure 
firewall ports are open on the Windows machine or the Firewall is temporarily 
off and any required ports are forwarded from the router. On the Ubuntu 16.04 
instance create a folder, 'mkdir ftp' and mount that folder using curlftpfs:
+ curlftpfs -o allow_other user:password@123.456.789.123 ./ftp
+ create a test 1440 byte file, in my case that's 288 lines of the word test 
saved as max.txt.
+ copy that test file into the mounted ftp folder: 'cp test.txt ftp/'
+ This should work.
+ Add an extra character to the file so it is now 1441 Bytes and try the copy 
again. This should fail and has on 2 separate machines for me.
+ If you want to mount the share with debug output, then mount in another 
Terminal window with:
+ curlftpfs -o allow_other,debug user:password@123.456.789.123 ./ftp
+ 
  My first bug report here after spending a day playing with many options
  to get this to run, apologies if this is actually a libcurl bug as
  opposed to curlftpfs.
  
  Further information that may point to this is I have also suffered the
- same failures using manual FTP commands and also an attempt at using
- kermit, hoping it would bypass any broken libraries!
- 
+ same failures using manual FTP commands over SSH from the same 16.04
+ instance and also an attempt at using kermit, hoping it would bypass any
+ broken libraries.
  
  DEBUG EXAMPLE OF A FAIL:
  
  FUSE library version: 2.9.4
  nullpath_ok: 0
  nopath: 0
  utime_omit_ok: 0
  unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
  INIT: 7.23
  flags=0x0003fffb
  max_readahead=0x00020000
-    INIT: 7.19
-    flags=0x00000011
-    max_readahead=0x00020000
-    max_write=0x00020000
-    max_background=0
-    congestion_threshold=0
-    unique: 1, success, outsize: 40
+    INIT: 7.19
+    flags=0x00000011
+    max_readahead=0x00020000
+    max_write=0x00020000
+    max_background=0
+    congestion_threshold=0
+    unique: 1, success, outsize: 40
  unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 9672
  getattr /
-    unique: 2, success, outsize: 120
+    unique: 2, success, outsize: 120
  unique: 3, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9672
  LOOKUP /max1.txt
  getattr /max1.txt
  ftpfs: operation ftpfs_getattr failed because No such file or directory
-    unique: 3, error: -2 (No such file or directory), outsize: 16
+    unique: 3, error: -2 (No such file or directory), outsize: 16
  unique: 4, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9672
  LOOKUP /max1.txt
  getattr /max1.txt
-    unique: 4, error: -2 (No such file or directory), outsize: 16
+    unique: 4, error: -2 (No such file or directory), outsize: 16
  unique: 5, opcode: CREATE (35), nodeid: 1, insize: 65, pid: 9672
  create flags: 0x80c1 /max1.txt 0100644 umask=0022
  ftpfs: operation ftpfs_getattr failed because No such file or directory
  ftpfs: operation ftpfs_chmod failed because Operation not permitted
-    create[140707423589984] flags: 0x80c1 /max1.txt
+    create[140707423589984] flags: 0x80c1 /max1.txt
  getattr /max1.txt
-    NODEID: 2
-    unique: 5, success, outsize: 160
+    NODEID: 2
+    unique: 5, success, outsize: 160
  unique: 6, opcode: GETXATTR (22), nodeid: 2, insize: 68, pid: 9672
-    unique: 6, error: -38 (Function not implemented), outsize: 16
+    unique: 6, error: -38 (Function not implemented), outsize: 16
  unique: 7, opcode: WRITE (16), nodeid: 2, insize: 1521, pid: 9672
  write[140707423589984] 1441 bytes to 0 flags: 0x8001
-    write[140707423589984] 1441 bytes to 0
-    unique: 7, success, outsize: 24
+    write[140707423589984] 1441 bytes to 0
+    unique: 7, success, outsize: 24
  unique: 8, opcode: FLUSH (25), nodeid: 2, insize: 64, pid: 9672
  flush[140707423589984]
  ftpfs: operation ftpfs_flush failed because Input/output error
-    unique: 8, error: -5 (Input/output error), outsize: 16
+    unique: 8, error: -5 (Input/output error), outsize: 16
  unique: 9, opcode: RELEASE (18), nodeid: 2, insize: 64, pid: 0
  release[140707423589984] flags: 0x8001
-    unique: 9, success, outsize: 16
- 
- 
+    unique: 9, success, outsize: 16
  
  DEBUG EXAMPLE OF SUCCESS - ONE CHARACTER LESS IN THE SAME FILE:
  
  FUSE library version: 2.9.4
  nullpath_ok: 0
  nopath: 0
  utime_omit_ok: 0
  unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
  INIT: 7.23
  flags=0x0003fffb
  max_readahead=0x00020000
-    INIT: 7.19
-    flags=0x00000011
-    max_readahead=0x00020000
-    max_write=0x00020000
-    max_background=0
-    congestion_threshold=0
-    unique: 1, success, outsize: 40
+    INIT: 7.19
+    flags=0x00000011
+    max_readahead=0x00020000
+    max_write=0x00020000
+    max_background=0
+    congestion_threshold=0
+    unique: 1, success, outsize: 40
  unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 9793
  getattr /
-    unique: 2, success, outsize: 120
+    unique: 2, success, outsize: 120
  unique: 3, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9793
  LOOKUP /max1.txt
  getattr /max1.txt
-    NODEID: 2
-    unique: 3, success, outsize: 144
+    NODEID: 2
+    unique: 3, success, outsize: 144
  unique: 4, opcode: OPEN (14), nodeid: 2, insize: 48, pid: 9793
  open flags: 0x8001 /max1.txt
-    open[140650783707008] flags: 0x8001 /max1.txt
-    unique: 4, success, outsize: 32
+    open[140650783707008] flags: 0x8001 /max1.txt
+    unique: 4, success, outsize: 32
  unique: 5, opcode: GETXATTR (22), nodeid: 2, insize: 68, pid: 9793
-    unique: 5, error: -38 (Function not implemented), outsize: 16
+    unique: 5, error: -38 (Function not implemented), outsize: 16
  unique: 6, opcode: SETATTR (4), nodeid: 2, insize: 128, pid: 9793
  truncate /max1.txt 0
  getattr /max1.txt
-    unique: 6, success, outsize: 120
+    unique: 6, success, outsize: 120
  unique: 7, opcode: WRITE (16), nodeid: 2, insize: 1520, pid: 9793
  write[140650783707008] 1440 bytes to 0 flags: 0x8001
-    write[140650783707008] 1440 bytes to 0
-    unique: 7, success, outsize: 24
+    write[140650783707008] 1440 bytes to 0
+    unique: 7, success, outsize: 24
  unique: 8, opcode: FLUSH (25), nodeid: 2, insize: 64, pid: 9793
  flush[140650783707008]
-    unique: 8, success, outsize: 16
+    unique: 8, success, outsize: 16
  unique: 9, opcode: RELEASE (18), nodeid: 2, insize: 64, pid: 0
  release[140650783707008] flags: 0x8001
-    unique: 9, success, outsize: 16
+    unique: 9, success, outsize: 16

** Description changed:

  Ubuntu 16.04.04
  curlftpfs 0.9.2 libcurl/7.47.0 fuse/2.9
  
  curlftpfs:
    Installed: 0.9.2-9
    Candidate: 0.9.2-9
    Version table:
   *** 0.9.2-9 500
          500 http://eu-west-1.ec2.archive.ubuntu.com/ubuntu xenial/universe 
amd64 Packages
          100 /var/lib/dpkg/status
  
  Running on AWS EC2
  
  Connecting to Filezilla Server on Windows.
  
  PUT a file of 1440 Bytes or less no problems, 1 byte more or above
  results in a 0 byte file.
  
  Tested on 2 separate 16.04 EC2 instances.
  
  Same test on an Ubuntu 14.04:
  curlftpfs 0.9.2 libcurl/7.35.0 fuse/2.9
  
  and it works no problem, possibly pointing the finger towards libcurl?
  
  Note: I have tested this transferring to PureFTP server and got a
  success. But transferring to Filezilla server failed. Apologies if this
- means the issue is there. Although manual transfers to the same
- Filezilla server instance both Passive and Active work. As do transfers
- from the 14.04 LTS implementation as mentioned above.
+ means the issue is there. Although manual transfers from other machines
+ to the same Filezilla server instance both Passive and Active work. As
+ do transfers from the 14.04 LTS implementation as mentioned above.
  
  In order to reproduce this, setup a basic Filezilla server instance, In my 
instance on a basic Windows 7 machine using version 0.9.60.2. Make sure 
firewall ports are open on the Windows machine or the Firewall is temporarily 
off and any required ports are forwarded from the router. On the Ubuntu 16.04 
instance create a folder, 'mkdir ftp' and mount that folder using curlftpfs:
  curlftpfs -o allow_other user:password@123.456.789.123 ./ftp
  create a test 1440 byte file, in my case that's 288 lines of the word test 
saved as max.txt.
  copy that test file into the mounted ftp folder: 'cp test.txt ftp/'
  This should work.
  Add an extra character to the file so it is now 1441 Bytes and try the copy 
again. This should fail and has on 2 separate machines for me.
  If you want to mount the share with debug output, then mount in another 
Terminal window with:
  curlftpfs -o allow_other,debug user:password@123.456.789.123 ./ftp
  
  My first bug report here after spending a day playing with many options
  to get this to run, apologies if this is actually a libcurl bug as
  opposed to curlftpfs.
  
  Further information that may point to this is I have also suffered the
  same failures using manual FTP commands over SSH from the same 16.04
  instance and also an attempt at using kermit, hoping it would bypass any
  broken libraries.
  
  DEBUG EXAMPLE OF A FAIL:
  
  FUSE library version: 2.9.4
  nullpath_ok: 0
  nopath: 0
  utime_omit_ok: 0
  unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
  INIT: 7.23
  flags=0x0003fffb
  max_readahead=0x00020000
     INIT: 7.19
     flags=0x00000011
     max_readahead=0x00020000
     max_write=0x00020000
     max_background=0
     congestion_threshold=0
     unique: 1, success, outsize: 40
  unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 9672
  getattr /
     unique: 2, success, outsize: 120
  unique: 3, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9672
  LOOKUP /max1.txt
  getattr /max1.txt
  ftpfs: operation ftpfs_getattr failed because No such file or directory
     unique: 3, error: -2 (No such file or directory), outsize: 16
  unique: 4, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9672
  LOOKUP /max1.txt
  getattr /max1.txt
     unique: 4, error: -2 (No such file or directory), outsize: 16
  unique: 5, opcode: CREATE (35), nodeid: 1, insize: 65, pid: 9672
  create flags: 0x80c1 /max1.txt 0100644 umask=0022
  ftpfs: operation ftpfs_getattr failed because No such file or directory
  ftpfs: operation ftpfs_chmod failed because Operation not permitted
     create[140707423589984] flags: 0x80c1 /max1.txt
  getattr /max1.txt
     NODEID: 2
     unique: 5, success, outsize: 160
  unique: 6, opcode: GETXATTR (22), nodeid: 2, insize: 68, pid: 9672
     unique: 6, error: -38 (Function not implemented), outsize: 16
  unique: 7, opcode: WRITE (16), nodeid: 2, insize: 1521, pid: 9672
  write[140707423589984] 1441 bytes to 0 flags: 0x8001
     write[140707423589984] 1441 bytes to 0
     unique: 7, success, outsize: 24
  unique: 8, opcode: FLUSH (25), nodeid: 2, insize: 64, pid: 9672
  flush[140707423589984]
  ftpfs: operation ftpfs_flush failed because Input/output error
     unique: 8, error: -5 (Input/output error), outsize: 16
  unique: 9, opcode: RELEASE (18), nodeid: 2, insize: 64, pid: 0
  release[140707423589984] flags: 0x8001
     unique: 9, success, outsize: 16
  
  DEBUG EXAMPLE OF SUCCESS - ONE CHARACTER LESS IN THE SAME FILE:
  
  FUSE library version: 2.9.4
  nullpath_ok: 0
  nopath: 0
  utime_omit_ok: 0
  unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
  INIT: 7.23
  flags=0x0003fffb
  max_readahead=0x00020000
     INIT: 7.19
     flags=0x00000011
     max_readahead=0x00020000
     max_write=0x00020000
     max_background=0
     congestion_threshold=0
     unique: 1, success, outsize: 40
  unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 9793
  getattr /
     unique: 2, success, outsize: 120
  unique: 3, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9793
  LOOKUP /max1.txt
  getattr /max1.txt
     NODEID: 2
     unique: 3, success, outsize: 144
  unique: 4, opcode: OPEN (14), nodeid: 2, insize: 48, pid: 9793
  open flags: 0x8001 /max1.txt
     open[140650783707008] flags: 0x8001 /max1.txt
     unique: 4, success, outsize: 32
  unique: 5, opcode: GETXATTR (22), nodeid: 2, insize: 68, pid: 9793
     unique: 5, error: -38 (Function not implemented), outsize: 16
  unique: 6, opcode: SETATTR (4), nodeid: 2, insize: 128, pid: 9793
  truncate /max1.txt 0
  getattr /max1.txt
     unique: 6, success, outsize: 120
  unique: 7, opcode: WRITE (16), nodeid: 2, insize: 1520, pid: 9793
  write[140650783707008] 1440 bytes to 0 flags: 0x8001
     write[140650783707008] 1440 bytes to 0
     unique: 7, success, outsize: 24
  unique: 8, opcode: FLUSH (25), nodeid: 2, insize: 64, pid: 9793
  flush[140650783707008]
     unique: 8, success, outsize: 16
  unique: 9, opcode: RELEASE (18), nodeid: 2, insize: 64, pid: 0
  release[140650783707008] flags: 0x8001
     unique: 9, success, outsize: 16

** Description changed:

  Ubuntu 16.04.04
  curlftpfs 0.9.2 libcurl/7.47.0 fuse/2.9
  
  curlftpfs:
    Installed: 0.9.2-9
    Candidate: 0.9.2-9
    Version table:
   *** 0.9.2-9 500
          500 http://eu-west-1.ec2.archive.ubuntu.com/ubuntu xenial/universe 
amd64 Packages
          100 /var/lib/dpkg/status
  
  Running on AWS EC2
  
  Connecting to Filezilla Server on Windows.
  
  PUT a file of 1440 Bytes or less no problems, 1 byte more or above
  results in a 0 byte file.
  
  Tested on 2 separate 16.04 EC2 instances.
  
  Same test on an Ubuntu 14.04:
  curlftpfs 0.9.2 libcurl/7.35.0 fuse/2.9
  
  and it works no problem, possibly pointing the finger towards libcurl?
  
  Note: I have tested this transferring to PureFTP server and got a
  success. But transferring to Filezilla server failed. Apologies if this
  means the issue is there. Although manual transfers from other machines
  to the same Filezilla server instance both Passive and Active work. As
  do transfers from the 14.04 LTS implementation as mentioned above.
  
  In order to reproduce this, setup a basic Filezilla server instance, In my 
instance on a basic Windows 7 machine using version 0.9.60.2. Make sure 
firewall ports are open on the Windows machine or the Firewall is temporarily 
off and any required ports are forwarded from the router. On the Ubuntu 16.04 
instance create a folder, 'mkdir ftp' and mount that folder using curlftpfs:
  curlftpfs -o allow_other user:password@123.456.789.123 ./ftp
- create a test 1440 byte file, in my case that's 288 lines of the word test 
saved as max.txt.
- copy that test file into the mounted ftp folder: 'cp test.txt ftp/'
+ create a test 1440 byte file, in my case that's 288 lines of the word test 
saved as max.txt. Create with:
+ for ((i=1;i<=288;i++)) ; do echo "test";  done > max.txt
+ copy that test file into the mounted ftp folder: 'cp max.txt ftp/'
  This should work.
  Add an extra character to the file so it is now 1441 Bytes and try the copy 
again. This should fail and has on 2 separate machines for me.
  If you want to mount the share with debug output, then mount in another 
Terminal window with:
  curlftpfs -o allow_other,debug user:password@123.456.789.123 ./ftp
  
  My first bug report here after spending a day playing with many options
  to get this to run, apologies if this is actually a libcurl bug as
  opposed to curlftpfs.
  
  Further information that may point to this is I have also suffered the
  same failures using manual FTP commands over SSH from the same 16.04
  instance and also an attempt at using kermit, hoping it would bypass any
  broken libraries.
  
  DEBUG EXAMPLE OF A FAIL:
  
  FUSE library version: 2.9.4
  nullpath_ok: 0
  nopath: 0
  utime_omit_ok: 0
  unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
  INIT: 7.23
  flags=0x0003fffb
  max_readahead=0x00020000
     INIT: 7.19
     flags=0x00000011
     max_readahead=0x00020000
     max_write=0x00020000
     max_background=0
     congestion_threshold=0
     unique: 1, success, outsize: 40
  unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 9672
  getattr /
     unique: 2, success, outsize: 120
  unique: 3, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9672
  LOOKUP /max1.txt
  getattr /max1.txt
  ftpfs: operation ftpfs_getattr failed because No such file or directory
     unique: 3, error: -2 (No such file or directory), outsize: 16
  unique: 4, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9672
  LOOKUP /max1.txt
  getattr /max1.txt
     unique: 4, error: -2 (No such file or directory), outsize: 16
  unique: 5, opcode: CREATE (35), nodeid: 1, insize: 65, pid: 9672
  create flags: 0x80c1 /max1.txt 0100644 umask=0022
  ftpfs: operation ftpfs_getattr failed because No such file or directory
  ftpfs: operation ftpfs_chmod failed because Operation not permitted
     create[140707423589984] flags: 0x80c1 /max1.txt
  getattr /max1.txt
     NODEID: 2
     unique: 5, success, outsize: 160
  unique: 6, opcode: GETXATTR (22), nodeid: 2, insize: 68, pid: 9672
     unique: 6, error: -38 (Function not implemented), outsize: 16
  unique: 7, opcode: WRITE (16), nodeid: 2, insize: 1521, pid: 9672
  write[140707423589984] 1441 bytes to 0 flags: 0x8001
     write[140707423589984] 1441 bytes to 0
     unique: 7, success, outsize: 24
  unique: 8, opcode: FLUSH (25), nodeid: 2, insize: 64, pid: 9672
  flush[140707423589984]
  ftpfs: operation ftpfs_flush failed because Input/output error
     unique: 8, error: -5 (Input/output error), outsize: 16
  unique: 9, opcode: RELEASE (18), nodeid: 2, insize: 64, pid: 0
  release[140707423589984] flags: 0x8001
     unique: 9, success, outsize: 16
  
  DEBUG EXAMPLE OF SUCCESS - ONE CHARACTER LESS IN THE SAME FILE:
  
  FUSE library version: 2.9.4
  nullpath_ok: 0
  nopath: 0
  utime_omit_ok: 0
  unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
  INIT: 7.23
  flags=0x0003fffb
  max_readahead=0x00020000
     INIT: 7.19
     flags=0x00000011
     max_readahead=0x00020000
     max_write=0x00020000
     max_background=0
     congestion_threshold=0
     unique: 1, success, outsize: 40
  unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 9793
  getattr /
     unique: 2, success, outsize: 120
  unique: 3, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9793
  LOOKUP /max1.txt
  getattr /max1.txt
     NODEID: 2
     unique: 3, success, outsize: 144
  unique: 4, opcode: OPEN (14), nodeid: 2, insize: 48, pid: 9793
  open flags: 0x8001 /max1.txt
     open[140650783707008] flags: 0x8001 /max1.txt
     unique: 4, success, outsize: 32
  unique: 5, opcode: GETXATTR (22), nodeid: 2, insize: 68, pid: 9793
     unique: 5, error: -38 (Function not implemented), outsize: 16
  unique: 6, opcode: SETATTR (4), nodeid: 2, insize: 128, pid: 9793
  truncate /max1.txt 0
  getattr /max1.txt
     unique: 6, success, outsize: 120
  unique: 7, opcode: WRITE (16), nodeid: 2, insize: 1520, pid: 9793
  write[140650783707008] 1440 bytes to 0 flags: 0x8001
     write[140650783707008] 1440 bytes to 0
     unique: 7, success, outsize: 24
  unique: 8, opcode: FLUSH (25), nodeid: 2, insize: 64, pid: 9793
  flush[140650783707008]
     unique: 8, success, outsize: 16
  unique: 9, opcode: RELEASE (18), nodeid: 2, insize: 64, pid: 0
  release[140650783707008] flags: 0x8001
     unique: 9, success, outsize: 16

** Description changed:

  Ubuntu 16.04.04
  curlftpfs 0.9.2 libcurl/7.47.0 fuse/2.9
  
  curlftpfs:
    Installed: 0.9.2-9
    Candidate: 0.9.2-9
    Version table:
   *** 0.9.2-9 500
          500 http://eu-west-1.ec2.archive.ubuntu.com/ubuntu xenial/universe 
amd64 Packages
          100 /var/lib/dpkg/status
  
  Running on AWS EC2
  
  Connecting to Filezilla Server on Windows.
  
  PUT a file of 1440 Bytes or less no problems, 1 byte more or above
  results in a 0 byte file.
  
  Tested on 2 separate 16.04 EC2 instances.
  
  Same test on an Ubuntu 14.04:
  curlftpfs 0.9.2 libcurl/7.35.0 fuse/2.9
  
  and it works no problem, possibly pointing the finger towards libcurl?
  
  Note: I have tested this transferring to PureFTP server and got a
  success. But transferring to Filezilla server failed. Apologies if this
  means the issue is there. Although manual transfers from other machines
  to the same Filezilla server instance both Passive and Active work. As
  do transfers from the 14.04 LTS implementation as mentioned above.
  
  In order to reproduce this, setup a basic Filezilla server instance, In my 
instance on a basic Windows 7 machine using version 0.9.60.2. Make sure 
firewall ports are open on the Windows machine or the Firewall is temporarily 
off and any required ports are forwarded from the router. On the Ubuntu 16.04 
instance create a folder, 'mkdir ftp' and mount that folder using curlftpfs:
  curlftpfs -o allow_other user:password@123.456.789.123 ./ftp
  create a test 1440 byte file, in my case that's 288 lines of the word test 
saved as max.txt. Create with:
  for ((i=1;i<=288;i++)) ; do echo "test";  done > max.txt
  copy that test file into the mounted ftp folder: 'cp max.txt ftp/'
  This should work.
  Add an extra character to the file so it is now 1441 Bytes and try the copy 
again. This should fail and has on 2 separate machines for me.
  If you want to mount the share with debug output, then mount in another 
Terminal window with:
  curlftpfs -o allow_other,debug user:password@123.456.789.123 ./ftp
+ (if its already mounted you will need to unmount it first with 'umount ./ftp')
  
  My first bug report here after spending a day playing with many options
  to get this to run, apologies if this is actually a libcurl bug as
  opposed to curlftpfs.
  
  Further information that may point to this is I have also suffered the
  same failures using manual FTP commands over SSH from the same 16.04
  instance and also an attempt at using kermit, hoping it would bypass any
  broken libraries.
  
  DEBUG EXAMPLE OF A FAIL:
  
  FUSE library version: 2.9.4
  nullpath_ok: 0
  nopath: 0
  utime_omit_ok: 0
  unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
  INIT: 7.23
  flags=0x0003fffb
  max_readahead=0x00020000
     INIT: 7.19
     flags=0x00000011
     max_readahead=0x00020000
     max_write=0x00020000
     max_background=0
     congestion_threshold=0
     unique: 1, success, outsize: 40
  unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 9672
  getattr /
     unique: 2, success, outsize: 120
  unique: 3, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9672
  LOOKUP /max1.txt
  getattr /max1.txt
  ftpfs: operation ftpfs_getattr failed because No such file or directory
     unique: 3, error: -2 (No such file or directory), outsize: 16
  unique: 4, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9672
  LOOKUP /max1.txt
  getattr /max1.txt
     unique: 4, error: -2 (No such file or directory), outsize: 16
  unique: 5, opcode: CREATE (35), nodeid: 1, insize: 65, pid: 9672
  create flags: 0x80c1 /max1.txt 0100644 umask=0022
  ftpfs: operation ftpfs_getattr failed because No such file or directory
  ftpfs: operation ftpfs_chmod failed because Operation not permitted
     create[140707423589984] flags: 0x80c1 /max1.txt
  getattr /max1.txt
     NODEID: 2
     unique: 5, success, outsize: 160
  unique: 6, opcode: GETXATTR (22), nodeid: 2, insize: 68, pid: 9672
     unique: 6, error: -38 (Function not implemented), outsize: 16
  unique: 7, opcode: WRITE (16), nodeid: 2, insize: 1521, pid: 9672
  write[140707423589984] 1441 bytes to 0 flags: 0x8001
     write[140707423589984] 1441 bytes to 0
     unique: 7, success, outsize: 24
  unique: 8, opcode: FLUSH (25), nodeid: 2, insize: 64, pid: 9672
  flush[140707423589984]
  ftpfs: operation ftpfs_flush failed because Input/output error
     unique: 8, error: -5 (Input/output error), outsize: 16
  unique: 9, opcode: RELEASE (18), nodeid: 2, insize: 64, pid: 0
  release[140707423589984] flags: 0x8001
     unique: 9, success, outsize: 16
  
  DEBUG EXAMPLE OF SUCCESS - ONE CHARACTER LESS IN THE SAME FILE:
  
  FUSE library version: 2.9.4
  nullpath_ok: 0
  nopath: 0
  utime_omit_ok: 0
  unique: 1, opcode: INIT (26), nodeid: 0, insize: 56, pid: 0
  INIT: 7.23
  flags=0x0003fffb
  max_readahead=0x00020000
     INIT: 7.19
     flags=0x00000011
     max_readahead=0x00020000
     max_write=0x00020000
     max_background=0
     congestion_threshold=0
     unique: 1, success, outsize: 40
  unique: 2, opcode: GETATTR (3), nodeid: 1, insize: 56, pid: 9793
  getattr /
     unique: 2, success, outsize: 120
  unique: 3, opcode: LOOKUP (1), nodeid: 1, insize: 49, pid: 9793
  LOOKUP /max1.txt
  getattr /max1.txt
     NODEID: 2
     unique: 3, success, outsize: 144
  unique: 4, opcode: OPEN (14), nodeid: 2, insize: 48, pid: 9793
  open flags: 0x8001 /max1.txt
     open[140650783707008] flags: 0x8001 /max1.txt
     unique: 4, success, outsize: 32
  unique: 5, opcode: GETXATTR (22), nodeid: 2, insize: 68, pid: 9793
     unique: 5, error: -38 (Function not implemented), outsize: 16
  unique: 6, opcode: SETATTR (4), nodeid: 2, insize: 128, pid: 9793
  truncate /max1.txt 0
  getattr /max1.txt
     unique: 6, success, outsize: 120
  unique: 7, opcode: WRITE (16), nodeid: 2, insize: 1520, pid: 9793
  write[140650783707008] 1440 bytes to 0 flags: 0x8001
     write[140650783707008] 1440 bytes to 0
     unique: 7, success, outsize: 24
  unique: 8, opcode: FLUSH (25), nodeid: 2, insize: 64, pid: 9793
  flush[140650783707008]
     unique: 8, success, outsize: 16
  unique: 9, opcode: RELEASE (18), nodeid: 2, insize: 64, pid: 0
  release[140650783707008] flags: 0x8001
     unique: 9, success, outsize: 16

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https://bugs.launchpad.net/bugs/1754469

Title:
  PUT fails with any file over 1440 bytes

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