Why is sftp working but ftp not


 
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Operating Systems Solaris Why is sftp working but ftp not
# 1  
Old 07-03-2012
Why is sftp working but ftp not

I am not very familiar with the use of FTP, and trying to run it I found out that standard "ftp" is not working" but "sftp" is.
If sftp is allowed will that block ftp ? and if so where is this set ?
I thought there is no relationship, is that right ?
If so look here:
inetadm | grep ftp
enabled online svc:/network/ftp:default

and trying to ftp localhost I get:
server-manni2:/etc$ ftp localhost
Connected to localhost.
220 server.abc.def.com FTP server ready.
Name (localhost:manni2):
331 Password required for manni2.
Password:
530 Login incorrect.
Login failed.
ftp>

thanks
# 2  
Old 07-03-2012
Outside their similar names and interactive user interfaces, there is no relationship between ftp and sftp.

If ftp refuses your login, makes sure you provide the correct password, your account isn't black-listed for ftp (i.e. not present in /etc/ftpusers) and its login shell is valid.
# 3  
Old 07-03-2012
sftp is actually ssh based rather than ftp, for example, WinSCP uses SFTP as it's default transfer method. This means if you can SSH to a node, you can SFTP files to/from it.
# 4  
Old 07-03-2012
Hello,
I'm also not a ftp expert, but I believe You need to configure the FTP server.
here is a link to manual on Oracle Administering the FTP Server (Tasks) - System Administration Guide: Network Services

Most admins disable ftp because ftp transmits your password in the clear. I use scp which is much easier to use and is uses the same security as ssh. So if you setup ssh key they will work for scp as well.
# 5  
Old 07-03-2012
The error response in post #1 just looks like a wrong password. Beware that some passwords which are valid unix passwords are not valid in ftp (even for the same account). Typical issues are passwords containing Shell special characters or passwords longer than 8 characters (6 characters on old systems).

Afterthought: You did type the password to account manni2 rather than just hit the return key?

Last edited by methyl; 07-03-2012 at 06:47 PM..
# 6  
Old 07-04-2012
@bitlord: the ftp service isn't disabled in the OP case.

@methyl: have you references of the password processing discrepancy you are mentioning ? That would be quite a serious bug and in any case shouldn't apply to Solaris which uses the very same method to check login credentials and ftp ones.
# 7  
Old 07-04-2012
@jlliagre
Hmm. There was a recent post from someone who had a dollar sign in their password. Try it on your version of Solaris, it might work or it might not. Depends on the version of Solaris and the context.

A hash sign in a password is fun. Try it.

The password-length issue is nothing new.

Let's see what Solaris version the O/P posts.
Let's see if the O/P didn't type the password.
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