<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><br>$ ping localhost<br>PING localhost (127.0.0.1) 56(84) bytes of data.<br>64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.028 ms<br>64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.029 ms<br><br>The server is on an EC2 Amazon server in the US and I am trying to traceroute it from here with my ISP and the Amazon firewall in the middle, with an ocean in between.<br><br>Thanks<br><br>Fred<br><br>--- On <b>Wed, 9/29/10, William Kenworthy <i><billk@iinet.net.au></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: William Kenworthy <billk@iinet.net.au><br>Subject: Re: [plug] iptables questions<br>To: plug@plug.org.au<br>Date: Wednesday, September 29, 2010, 5:21 PM<br><br><div class="plainMail">On Wed, 2010-09-29 at 02:09 -0700, Fred Janon wrote:<br>>
The server has another IP from the WAN that I am using to test.<br>> <br>> Thanks<br>> <br>> Fred<br>> <br>> --- On Wed, 9/29/10, Daniel Pittman <<a ymailto="mailto:daniel@rimspace.net" href="/mc/compose?to=daniel@rimspace.net">daniel@rimspace.net</a>> wrote:<br>> <br>> From: Daniel Pittman <<a ymailto="mailto:daniel@rimspace.net" href="/mc/compose?to=daniel@rimspace.net">daniel@rimspace.net</a>><br>> Subject: Re: [plug] iptables questions<br>> To: <a ymailto="mailto:plug@plug.org.au" href="/mc/compose?to=plug@plug.org.au">plug@plug.org.au</a><br>> Date: Wednesday, September 29, 2010, 5:02 PM<br>> <br>> Fred Janon <<a
ymailto="mailto:fjanon@yahoo.com" href="/mc/compose?to=fjanon@yahoo.com">fjanon@yahoo.com</a>> writes:<br>> <br>> > I am trying to understand how iptables work.<br>> <br>> [...]<br>> <br>> > After some research, I did this to try to enable PINGs. The<br>> server IP is<br>> > 10.161.82.237<br>> <br>> [...]<br>> <br>> > The tracert or ping still time out.<br>> <br>> ...er, and
just to check: you *are* doing your testing from<br>> the same local<br>> network as the server, not trying to reach it over the<br>> Internet, right?<br>> <br>> I ask, because the 10/8 range is a "private use" allocation,<br>> and isn't going<br>> to be routed by your ISP or anything.<br>> <br>> Daniel<br>> -- <br>> ✣ Daniel Pittman ✉ <a ymailto="mailto:daniel@rimspace.net"
href="/mc/compose?to=daniel@rimspace.net">daniel@rimspace.net</a> ☎<br>> +61 401 155 707<br>> ♽ made with 100 percent post-consumer electrons<br>> _______________________________________________<br>> PLUG discussion list: <a ymailto="mailto:plug@plug.org.au" href="/mc/compose?to=plug@plug.org.au">plug@plug.org.au</a><br>> <a href="http://www.plug.org.au/mailman/listinfo/plug" target="_blank">http://www.plug.org.au/mailman/listinfo/plug</a><br>> Committee e-mail: <a ymailto="mailto:committee@plug.linux.org.au" href="/mc/compose?to=committee@plug.linux.org.au">committee@plug.linux.org.au</a><br>>
<br>> _______________________________________________<br>> PLUG discussion list: <a ymailto="mailto:plug@plug.org.au" href="/mc/compose?to=plug@plug.org.au">plug@plug.org.au</a><br>> <a href="http://www.plug.org.au/mailman/listinfo/plug" target="_blank">http://www.plug.org.au/mailman/listinfo/plug</a><br>> Committee e-mail: <a ymailto="mailto:committee@plug.linux.org.au" href="/mc/compose?to=committee@plug.linux.org.au">committee@plug.linux.org.au</a><br><br>Perhaps a bit more detail? ... WAN implies a non-local destination -<br>firewalls, routing and whole lot of things that can get in the way. Are<br>you on a LAN or a WAN? And no VPN or tun/tap interfaces involved?<br><br>As a starter, can you ping your own localhost and the LAN interface from<br>the machine itself.<br><br>Does the server have a firewall? Try the ping to localhost and network<br>interface on the server from the server.<br><br>tcptraceroute is
useful for non-local destinations with "things in the<br>way". Daniel is right in that traceroute uses UDP but thats for probes<br>- ICMP is used as well, or optionally all ICMP.<br><br>BillK<br><br><br>_______________________________________________<br>PLUG discussion list: <a ymailto="mailto:plug@plug.org.au" href="/mc/compose?to=plug@plug.org.au">plug@plug.org.au</a><br><a href="http://www.plug.org.au/mailman/listinfo/plug" target="_blank">http://www.plug.org.au/mailman/listinfo/plug</a><br>Committee e-mail: <a ymailto="mailto:committee@plug.linux.org.au" href="/mc/compose?to=committee@plug.linux.org.au">committee@plug.linux.org.au</a><br></div></blockquote></td></tr></table>