[Novalug] determining where a port is blocked

[Matt Ahrens]

You can do TCP traceroutes to see where connections drop out.

I'm not sure the best way to accomplish this, but I have done it with
scapy.py, YMMV.

Matt

On Nov 13, 2007 9:43 PM, gregory pryzby <greg at pryzby.org> wrote:
> Looks like only port 22 is allowed into the verizon network and to my
> box.
>
> Is there a way to figure out when a packet is blocked for a port while
> transversing the network?
>
> I don't want to run imaps on port 22 b/c I need/want shell access and
> forwarding...
>
> --
> greg pryzby                              greg at pryzby dot org
> AIM: gpryzby                             http://pryzby.org/
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