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    Tftp package doesn't work but found a workaround

    2.0-RC Snapshot Feedback and Problems - RETIRED
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    • jimpJ
      jimp Rebel Alliance Developer Netgate
      last edited by

      /etc/inetd.conf is not used by pfSense 2.0. /var/etc/inetd.conf is used by the TFTP proxy (and TFTP package).

      When inetd is setup and started from filter.inc, it uses /var/etc/inetd.conf

      : ps uxawww | grep inetd
      root   47253  0.0  0.3  9036  1508  ??  INs  Thu10AM   0:00.00 /usr/sbin/inetd -wW -R 0 -a 127.0.0.1 /var/etc/inetd.conf
      : cat /var/etc/inetd.conf 
      tftp-proxy      dgram   udp     wait            root    /usr/libexec/tftp-proxy tftp-proxy -v
      tftp            dgram   udp     wait            root    /usr/libexec/tftpd      tftpd /tftpboot
      

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      • ?
        Guest
        last edited by

        Thanks for your help.

        Actually here is what I got on my side :

        :ps uxawww | grep inetd
        root   11514  0.0  0.6  3436  1400  ??  Ss    9:28PM   0:00.01 /usr/sbin/inetd -wW -C 60
        
        

        Is there something that maybe wrong in my config for having not at all the same parameters behind /usr/sbin/inetd ?

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        • jimpJ
          jimp Rebel Alliance Developer Netgate
          last edited by

          If you started it manually with /etc/rc.d/inetd, it will launch the wrong one.

          Kill that process, then go to Status > Filter Reload, and force a filter reload with the button there, then check if the right one is running.

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          • ?
            Guest
            last edited by

            Ok, sorry, the right one is now running, but tftp still not working.
            Here is what I have in /var/etc/inetd.conf :

            tftp-proxy      dgram   udp     wait            root    /usr/libexec/tftp-proxy tftp-proxy -v
            19000   stream  tcp     nowait/0        nobody  /usr/bin/nc     nc -w 2000 192.168.1.236 25
            19000   dgram   udp     nowait/0        nobody  /usr/bin/nc     nc -u -w 2000 192.168.1.236 25
            19001   stream  tcp     nowait/0        nobody  /usr/bin/nc     nc -w 2000 192.168.1.235 80
            19001   dgram   udp     nowait/0        nobody  /usr/bin/nc     nc -u -w 2000 192.168.1.235 80
            19002   stream  tcp     nowait/0        nobody  /usr/bin/nc     nc -w 2000 192.168.1.235 443
            19002   dgram   udp     nowait/0        nobody  /usr/bin/nc     nc -u -w 2000 192.168.1.235 443
            19003   stream  tcp     nowait/0        nobody  /usr/bin/nc     nc -w 2000 192.168.1.13 3074
            19003   dgram   udp     nowait/0        nobody  /usr/bin/nc     nc -u -w 2000 192.168.1.13 3074
            19004   dgram   udp     nowait/0        nobody  /usr/bin/nc     nc -u -w 2000 192.168.1.13 88
            19005   stream  tcp     nowait/0        nobody  /usr/bin/nc     nc -w 2000 192.168.1.234 3389
            tftp            dgram   udp     wait            root    /usr/libexec/tftpd      tftpd /tftpboot
            
            
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            • jimpJ
              jimp Rebel Alliance Developer Netgate
              last edited by

              : sockstat | grep inetd
              root     inetd      47253 4  stream /var/run/check_reload_status
              root     inetd      47253 6  stream /var/run/check_reload_status
              root     inetd      47253 12 dgram  (not connected)
              root     inetd      47253 13 udp4   *:*                   *:*
              root     inetd      47253 17 udp4   127.0.0.1:6969        *:*
              root     inetd      47253 18 udp4   127.0.0.1:69          *:*
              

              That last line is tftpd. You probably need to add a port forward on LAN for port udp/69 to direct it at 127.0.0.1:69, since inetd is only listening on localhost.

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              • ?
                Guest
                last edited by

                Damn sorry…. still does not work, even after creation of nat+passing rule.
                May this be due to the fact that I have manual outbound nat ? (required for xbox live to work correctly)

                Here are sockstat results, it seems that tftp daemon is listening

                root     inetd      1883  4  stream /var/run/check_reload_status
                root     inetd      1883  6  stream /var/run/check_reload_status
                root     inetd      1883  12 dgram  (not connected)
                root     inetd      1883  13 udp4   *:*                   *:*
                root     inetd      1883  17 udp4   127.0.0.1:6969        *:*
                root     inetd      1883  18 tcp4   127.0.0.1:19000       *:*
                root     inetd      1883  19 udp4   127.0.0.1:19000       *:*
                root     inetd      1883  20 tcp4   127.0.0.1:19001       *:*
                root     inetd      1883  21 udp4   127.0.0.1:19001       *:*
                root     inetd      1883  22 tcp4   127.0.0.1:19002       *:*
                root     inetd      1883  23 udp4   127.0.0.1:19002       *:*
                root     inetd      1883  24 tcp4   127.0.0.1:19003       *:*
                root     inetd      1883  25 udp4   127.0.0.1:19003       *:*
                root     inetd      1883  26 udp4   127.0.0.1:19004       *:*
                root     inetd      1883  27 tcp4   127.0.0.1:19005       *:*
                root     inetd      1883  28 udp4   127.0.0.1:69          *:*
                
                
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                • jimpJ
                  jimp Rebel Alliance Developer Netgate
                  last edited by

                  manual outbound nat wouldn't affect it.

                  Show me exactly what your port forward rule on LAN looks like.

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                  • ?
                    Guest
                    last edited by

                    I just attached them.

                    1.png
                    1.png_thumb
                    2.png
                    2.png_thumb

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                    • jimpJ
                      jimp Rebel Alliance Developer Netgate
                      last edited by

                      Just do UDP, not tcp/udp.

                      Also make sure you do NOT have the TFTP proxy set to listen on LAN (System > Advanced, Firewall/NAT tab).

                      Next week some time I can add an interface selection to add the rules automatically, and warn if the proxy is on. They'd both be adding a rule redirecting port 69, so if one is active the other wouldn't work.

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                      • ?
                        Guest
                        last edited by

                        Ok, I extended to TCP/UDP to see but now I set it back to UDP only.
                        TFTP proxy is not listening on any interface.
                        Still not working… I'm getting crazy :) anyway, thanks for your support

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                        • jimpJ
                          jimp Rebel Alliance Developer Netgate
                          last edited by

                          It looks right otherwise… I have no trouble pulling a test file from my VM with a port forward that looks like that.

                          What do you get if you try this:

                          : grep 'port 69' /tmp/rules.debug
                          

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                          • ?
                            Guest
                            last edited by

                            rdr pass on vr0 proto udp from any to 192.168.1.1 port 69 -> 127.0.0.1
                            
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                            • ?
                              Guest
                              last edited by

                              When I do a

                              telnet 127.0.0.1 69
                              

                              in SSH session, this should "work", isn't it ?

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                              • jimpJ
                                jimp Rebel Alliance Developer Netgate
                                last edited by

                                Instead of choosing "pass" for the firewall rule type, try just "none" since your LAN rule will pass it.

                                Telnet won't work for tftp, telnet is tcp, tftp is udp. Netcat might work, but the best test is an actual TFTP client.

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                                • jimpJ
                                  jimp Rebel Alliance Developer Netgate
                                  last edited by

                                  $ nc -uz 192.168.x.y 69
                                  Connection to 192.168.x.y 69 port [udp/tftp] succeeded!
                                  

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                                  • ?
                                    Guest
                                    last edited by

                                    Wow, I deserve my "newbie" title then :)

                                    I set it to none but still not working.
                                    As a client, I use a vm on a esx server a try to boot the pxe way

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                                    • jimpJ
                                      jimp Rebel Alliance Developer Netgate
                                      last edited by

                                      Upload a test file using the TFTP package GUI, and then try to retrieve it from something locally.

                                      $ tftp 192.168.x.y
                                      tftp> get help.png
                                      Received 3157 bytes during 0.0 seconds in 7 blocks
                                      tftp> quit
                                      

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                                      • ?
                                        Guest
                                        last edited by

                                        
                                        :nc -uz 127.0.0.1  69
                                        Connection to 127.0.0.1 69 port [udp/tftp] succeeded!
                                        
                                        :nc -uz 192.168.1.1 69
                                        Connection to 192.168.1.1 69 port [udp/tftp] succeeded!
                                        
                                        

                                        Well, it seems it works from the box itself… I don't get it ...

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                                        • jimpJ
                                          jimp Rebel Alliance Developer Netgate
                                          last edited by

                                          Do you have an actual tftp client you can try from another box/vm, instead of just trying a PXE boot? Also make sure the file name matches exactly what you're trying to download, case and all.

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                                          • jimpJ
                                            jimp Rebel Alliance Developer Netgate
                                            last edited by

                                            Also I noticed you had NAT reflection on, you might try to disable NAT reflection for that one rule using the override box on the rule editor.

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