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<div class="moz-cite-prefix">Hi Jose,<br>
<br>
I already suspected it was already something like that :-)<br>
<br>
I guess it is: ufw allow proto ipencap or ufw allow proto 4<br>
<br>
by default the rules are valid for all interfaces unless you
decide otherwise.<br>
<br>
73,<br>
<br>
Bob VE3TOK<br>
<br>
On 14-01-28 09:28 PM, Jose Ng Lee wrote:<br>
</div>
<blockquote cite="mid:49A39492744B4200BD364D7EEC610289@ngj"
type="cite">
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<div><font face="Arial">I found the solution to my problem.</font></div>
<div> </div>
<div><font face="Arial">I disable the firewall ufw and is
forwarding the IP and be able to telnet from another PC.</font></div>
<div> </div>
<div><font face="Arial">I used ufw because is a simple firewall
and have this rules:</font></div>
<div><font face="Arial"><br>
To Action From<br>
-- ------ ----<br>
80/tcp ALLOW Anywhere<br>
22/tcp ALLOW Anywhere<br>
10000/tcp ALLOW Anywhere<br>
443/tcp ALLOW Anywhere<br>
6300/tcp ALLOW Anywhere<br>
7300/tcp ALLOW Anywhere<br>
21/tcp ALLOW Anywhere<br>
23/tcp ALLOW Anywhere<br>
3286/tcp ALLOW Anywhere<br>
8000/tcp ALLOW Anywhere<br>
10092 ALLOW Anywhere<br>
10094 ALLOW Anywhere<br>
10093 ALLOW Anywhere<br>
10095 ALLOW Anywhere<br>
14580 ALLOW Anywhere<br>
14501 ALLOW Anywhere<br>
</font></div>
<font face="Arial">
<div>Now have to figure out how to write the rule for the ufw to
not block the tun0 IP forwarding.</div>
<div> </div>
<div>On my Full size PC with Ubuntu using a more complicated
Shoreline Firewall.</div>
<div> </div>
</font>
<div><font face="Arial">73s Jose / HP2AT</font></div>
<blockquote style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT:
5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color:
black"><b>From:</b> <a moz-do-not-send="true"
title="bobtenty@gmail.com" href="mailto:bobtenty@gmail.com">Bob
Tenty</a> </div>
<div style="FONT: 10pt arial"><b>To:</b> <a
moz-do-not-send="true" title="nos-bbs@tapr.org"
href="mailto:nos-bbs@tapr.org">nos-bbs@tapr.org</a> </div>
<div style="FONT: 10pt arial"><b>Sent:</b> Monday, January 27,
2014 3:58 PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> Re: [nos-bbs]
Raspberry Pi Jnos Telnet from another PC problem</div>
<div><br>
</div>
<div class="moz-cite-prefix">To narrow it down you can use
"tcpdump" at the interface from the kernel to jnos and the
ipip interface<br>
to see which one what is not passing the traffic.<br>
<br>
73,<br>
<br>
Bob VE3TOK<br>
<br>
<br>
On 14-01-27 11:35 AM, Jose Ng Lee wrote:<br>
</div>
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cite="mid:703641AD310B4B7183575A07654EB3A7@HOLLYWOOD.HOLLYWOOD.COM"
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<div><font face="Arial">I am using the F6BVP Raspbian image
preinstalled with AX.25 and FBB, DXSpider, and FPAC
working OK.</font></div>
<div> </div>
<div><font face="Arial">Uploaded the Jnos 2.0j and tried also
2.0jx4 sources to the Pi and compiled OK both jnos
executable.</font></div>
<div> </div>
<div><font face="Arial">My problem is that I am not able to
Telnet directly to the JNOS in the Raspberry PI from a PC.</font></div>
<div> </div>
<div><font face="Arial">I am able from the PC to Telnet first
to the Linux side on the Raspberry Pi and then to the
JNOS.</font></div>
<div> </div>
<div><font face="Arial">On my Full size PC with Ubuntu and
JNOS, I can Telnet OK from a PC directly to JNOS. I copy
the </font><font face="Arial">autoexec.nos from my PC
Ubuntu JNOS to the Raspberry Pi and changed some lines
with the different IPs, etc..</font></div>
<div> </div>
<div><font face="Arial">On Jnos side, the tun0 is setup as
usual:<br>
</font></div>
<div><font face="Arial"># NOS creates the TUN device, so NOS
needs to do a postcofig<br>
shell ifconfig tun0 200.46.129.25 pointopoint
200.46.129.26 mtu 1500 up<br>
pause 5<br>
#<br>
shell arp -s 200.46.129.26 b8:27:eb:e1:b2:ee pub<br>
#</font></div>
<div> </div>
<div><font face="Arial">The ax25-up script already do:<br>
echo 1 > /proc/sys/net/ipv4/ip_forward</font></div>
<div> </div>
<div><font face="Arial">Also, later checked and did "more
ip_forward" and has the "1".</font></div>
<div> </div>
<div><font face="Arial">Checked from both the PC Ubuntu Jnos
and Raspberry pi Jnos, With Webmin the network interfaces,
routes, hostnames. Also, checked on the command line from
both machines de ARP and it looks OK for both.</font></div>
<div> </div>
<div><font face="Arial">Tried other things with no luck.
Looks like the RPI not able to do the IP to IP forwarding
</font><font face="Arial">through the tun0 from an outside
PC Telnet connection.</font></div>
<div> </div>
<div><font face="Arial">Has anyone got their Raspberry Pi with
Jnos setup right and be able to Telnet directly from a PC.</font></div>
<div> </div>
<div><font face="Arial">73s Jose / HP2AT</font></div>
<br>
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