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How To chmod Files On Your Server
First you will need to get yourself a good FTP client like CuteFTP (it does
permissions/CHMODs visually) although you can use SSH and type in commands for
CHMODding files and folders manually.
For CuteFTP, you simply need to right-click the uploaded file or folder in the
remote window and click Properties/CHMOD.
You should see a box where you can type a number and a a bunch of tick boxes
near it.
A CHMOD is a number, it references reading, writing, execution and group access
of a file or folder.
In these three digit CHMOD numbers the first digit indicates the permissions for
the owner, the second is the permissions for other members of the same "group"
as the owner and third is the permissions for "others", aka the public at large.
You might also find permissions specified in rwx format (r= Read, w= Write, x =eXecute),
ex: 600 = -rw-rw-rw-
In the three-digit number format the individual numbers are derived by adding up
the permissions with 1=execute, 2=write and 4=read (read, write and execute =
4+2+1 -> 7)
- 0 = no permissions (---)
- 1 = execute only (--x)
- 2 = write only (-w-)
- 3 = write and execute (-wx)
- 4 = read only (r--)
- 5 = read and execute (r-x)
- 6 = read and write (rw-)
- 7 = read, write and execute (rwx)
Just a few examples
644 (-rw-r--r--) = "I don't mind if other people can read this file, however
only I should be able to run or write to/edit it"
755 (-rwxr-xr-x) = "I don't mind if other people can read or run this file,
however only I should be able to write to/edit it"
777 (-rwxrwxrwx) = "Anybody can do anything they want (read, run, modify)
with this file"
Permissions can be modified in a number of ways:
- Using an FTP client such as WS_FTP LE or CuteFTP
- Using the CHMOD command in a shell (SSH) session
- Using your host's website control panel
CHMOD Calculator
Use the calculator below to calculate the chmod number for your file depending
on what kind of permissions you want to give it.
If this doesnt answer your question a great place to start is Google
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