Red Hat

[root@ntest1 yum.repos.d]# cat server.repo
[server]
name=rhel6
baseurl=ftp://192.168.225.3/pub/Packages/
enabled=1
gpgcheck=0

[root@ntest1 yum.repos.d]# yum clean all
Loaded plugins: rhnplugin, security
Cleaning up Everything
[root@ntest1 yum.repos.d]# yum list
Loaded plugins: rhnplugin, security
This system is not registered with RHN.
RHN support will be disabled.
server                                                   | 1.3 kB     00:00
server/primary                                           | 1.3 MB     00:00
ftp://192.168.225.3/pub/Packages/repodata/primary.xml.gz: [Errno -3] Error performing checksum
Trying other mirror.
server/primary                                           | 1.3 MB     00:00
ftp://192.168.225.3/pub/Packages/repodata/primary.xml.gz: [Errno -3] Error performing checksum
Trying other mirror.
Error: failure: repodata/primary.xml.gz from server: [Errno 256] No more mirrors to try.

[root@ntest1 yum.repos.d]# ftp 192.168.225.3
Connected to 192.168.225.3.
220 (vsFTPd 2.2.2)
530 Please login with USER and PASS.
530 Please login with USER and PASS.
KERBEROS_V4 rejected as an authentication type
Name (192.168.225.3:root): anonymous
331 Please specify the password.
Password:
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls
227 Entering Passive Mode (192,168,225,3,39,155).
150 Here comes the directory listing.
drwxr-xr-x    3 0        0            4096 Feb 15  2014 pub
226 Directory send OK.
ftp> cd pub
250 Directory successfully changed.
ftp> ls
227 Entering Passive Mode (192,168,225,3,252,48).
150 Here comes the directory listing.
drwxr-xr-x    3 0        0          180224 Sep 22 08:20 Packages
226 Directory send OK.
ftp> cd Packages
250 Directory successfully changed.
ftp> cd repodata
250 Directory successfully changed.
ftp>