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Old 07-30-2009, 10:58 AM   #1
Treikayan
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Registered: Oct 2008
Location: Albany Park, Chicago IL
Distribution: RHEL 5.1 i386
Posts: 75

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Unhappy TFTP keeps timing out


Hello,

I have installed TFTP Server on CentOS 5.1 but I'm having a problem getting it to work. It keeps timing out.

PACKAGES INSTALLED:
xinetd tftp tftp-server

chkconfig on xinetd
chkconfig on tftp

service xinetd restart
Stopping xinetd: [ OK ]
Starting xinetd: [ OK ]
.
.

TFTP CONFIG:

Code:
[root@ ~ tftpboot]# less /etc/xinetd.d/tftp 
# default: off
# description: The tftp server serves files using the trivial file transfer \
#       protocol.  The tftp protocol is often used to boot diskless \
#       workstations, download configuration files to network-aware printers, \
#       and to start the installation process for some operating systems.
service tftp
{
        disable = no
        socket_type             = dgram
        protocol                = udp
        wait                    = yes
        user                    = root
        server                  = /usr/sbin/in.tftpd
        server_args             = -s /tftpboot -u root -c
        per_source              = 11
        cps                     = 100 2
        flags                   = IPv4
}
FIREWALL SETTINGS:

Quote:
.
.
ACCEPT tcp -- 0-224-93-208.~ .net/22 anywhere tcp state NEW
ACCEPT udp -- 0-224-93-208. ~ .net/22 anywhere udp dpt:tftp state NEW
Source server and Destination server are both on the same subnet (from iptables listing)!

Quote:
[root@ ~ Desktop]# tftp -v 208.93.224.250 -c put test.txt
Connected to 208.93.224.250 (208.93.224.250), port 69
putting test.txt to 208.93.224.250:test.txt [netascii]
Transfer timed out.
After the source server says timed out. I checked the destination server (/tftpboot) and I have *part* of the file, but with no data in the file. Could someone assist me on how to fix this? Thank you.
 
Old 07-30-2009, 11:11 AM   #2
colucix
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Registered: Sep 2003
Location: Bologna
Distribution: CentOS 6.5 OpenSuSE 12.3
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I have had the same problem (on my Centos 5.3) some time ago, then I found that I had to install the hpa version. I downloaded tftp-hpa-5.0.tar.gz from http://www.kernel.org/pub/software/network/tftp/, I compiled using
Code:
./configure --without-tcpwrappers --without-ipv6
then it worked like a bomb! Hope this helps.
 
Old 07-30-2009, 12:59 PM   #3
Treikayan
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Registered: Oct 2008
Location: Albany Park, Chicago IL
Distribution: RHEL 5.1 i386
Posts: 75

Original Poster
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Thank you. I downloaded the same version, but I don't think it's installing properly. Is this version compatible with CentOS 5.1? I'm still having the same problem with TFTP.
 
Old 07-30-2009, 01:56 PM   #4
Treikayan
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Registered: Oct 2008
Location: Albany Park, Chicago IL
Distribution: RHEL 5.1 i386
Posts: 75

Original Poster
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Quote:
Originally Posted by Treikayan View Post
Thank you. I downloaded the same version, but I don't think it's installing properly. Is this version compatible with CentOS 5.1? I'm still having the same problem with TFTP.
Still not working and I took a tethereal capture

Code:
|Time     | 208.93.224.249    | 208.93.224.250    |
|0.000    |         Write Request, File           |TFTP: Write Request, File: test.txt\000, Transfer type: netascii\000
|         |(34392)  ------------------>  (69)     |
|0.078    |         Acknowledgement, Bl           |TFTP: Acknowledgement, Block: 0
|         |(34392)  <------------------  (42942)  |
|0.078    |         Destination unreach           |ICMP: Destination unreachable (Host administratively prohibited)
|         |(42942)  ------------------>  (34392)  |
|5.001    |         Write Request, File           |TFTP: Write Request, File: test.txt\000, Transfer type: netascii\000
|         |(34392)  ------------------>  (69)     |
|5.006    |         Acknowledgement, Bl           |TFTP: Acknowledgement, Block: 0
|         |(34392)  <------------------  (42942)  |
|5.006    |         Destination unreach           |ICMP: Destination unreachable (Host administratively prohibited)
|         |(42942)  ------------------>  (34392)  |
|10.003   |         Write Request, File           |TFTP: Write Request, File: test.txt\000, Transfer type: netascii\000
|         |(34392)  ------------------>  (69)     |
|10.008   |         Acknowledgement, Bl           |TFTP: Acknowledgement, Block: 0
|         |(34392)  <------------------  (42942)  |
|10.008   |         Destination unreach           |ICMP: Destination unreachable (Host administratively prohibited)
|         |(42942)  ------------------>  (34392)  |
|15.005   |         Write Request, File           |TFTP: Write Request, File: test.txt\000, Transfer type: netascii\000
|         |(34392)  ------------------>  (69)     |
|15.009   |         Acknowledgement, Bl           |TFTP: Acknowledgement, Block: 0
|         |(34392)  <------------------  (42942)  |
|15.009   |         Destination unreach           |ICMP: Destination unreachable (Host administratively prohibited)
|         |(42942)  ------------------>  (34392)  |
|20.007   |         Write Request, File           |TFTP: Write Request, File: test.txt\000, Transfer type: netascii\000
|         |(34392)  ------------------>  (69)     |
|20.011   |         Acknowledgement, Bl           |TFTP: Acknowledgement, Block: 0
|         |(34392)  <------------------  (42942)  |
|20.011   |         Destination unreach           |ICMP: Destination unreachable (Host administratively prohibited)
|         |(42942)  ------------------>  (34392)  |
[root@ ~ tftpboot]# /usr/sbin/in.tftpd -V
tftp-hpa 5.0, with remap, without tcpwrappers

Last edited by Treikayan; 07-30-2009 at 02:24 PM. Reason: Added tfpd -version
 
Old 10-05-2009, 10:11 AM   #5
abath
LQ Newbie
 
Registered: Oct 2009
Posts: 1

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Quote:
Originally Posted by Treikayan View Post
Still not working and I took a tethereal capture
hi, did you get this working after all? I've got the same problem and am struggling to find a decent solution.
 
  


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