Saturday, July 14, 2007

Steps to configure Telnet/FTP in Linux

If the telnet and ftp services are not running it is required to run the ftp deamon services. It will start the telnet and ftp servers.

1. Red Hat Enterprise Linux: RHEL3 / RHEL4


Enabling Telnet and FTP Services
Do the steps below

#login as root
#chkconfig telnet on
#service xinetd reload

Reloading configuration: [ OK ]

For RHEL 3.0 release, the FTP server command is

#/etc/init.d/vsftpd start
Starting vsftpd for vsftpd: [ OK ]

Configure Telnet for root logins
To allow the n number of telnet sessions as root edit the file /etc/securetty and add the following to the end of the file:
pts/0
pts/1
.
.
.
pts/n


Configure FTP for root logins
Edit the files /etc/vsftpd.ftpusers and /etc/vsftpd.user_list and remove the 'root' line from each file.

2. Red Hat (Fedora Core 1 / Core 2)

Enabling Telnet and FTP Services
Do the steps below

# login as root
# edit the files :
/etc/xinetd.d/telnet
/etc/xinetd.d/wu-ftpd


In these files, find the line for disable and change its value from "yes" to "no".

Restart the xinetd deamon now.

#/etc/init.d/xinetd reload

For Fedora Core 1 release, the command is

#/etc/init.d/vsftpd start

Configure Telnet for root logins
To allow the n number of telnet sessions as root edit the file /etc/securetty and add the following to the end of the file:

pts/0
pts/1
.
.
.
pts/n


Configure FTP for root logins
Edit the files /etc/vsftpd.ftpusers and /etc/vsftpd.user_list and remove the 'root' line from each file.

3. Red Hat (Release 7.x - 8.x)

Enabling Telnet and FTP Services
Do the steps below

# login as root
# edit the files:
/etc/xinetd.d/telnet
/etc/xinetd.d/wu-ftpd


In these files, find the line for disable and change its value from the "yes" to "no".

Restart the xinetd deamon now.
# /etc/init.d/xinetd reload

Configure Telnet for root logins
To allow the n number of telnet sessions as root edit the file /etc/securetty and add the following to the end of the file:

pts/0
pts/1
.
.
.
pts/n


Configure FTP for root logins
Edit the file /etc/ftpaccess and comment out the 'deny-uid' and 'deny-gid' lines. Remove the 'root' line from /etc/ftpusers.

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