[vox-tech] tight-vnc, can't ping box from windows

[tech_dev(Alex Mandel)]

Well -tcpdump wasn't installed and I couldn't find it in the distro 
(Mandrake 10.0) so I went to download/install and when I ran configure 
it said I didn't have a C compiler. While I installed those packages I 
poked more in the GUI control center and found some security settings 
and viola Allow icmp echo was 'No'.

So now I can ping, the next question is where is the rule I need to 
change to allow tightvnc through the firewall? Hopefully I'll find a 
simple answer as I wade through the docs tonight.

Thanks,
Alex

Peter Jay Salzman wrote:
> On Thu 27 Jan 05,  8:10 AM, Peter Jay Salzman <p at dirac.org> said:
> 
>>Now given that, what you want to do is use XP to ping Linux.  Because you're
>>interested in whether Linux is seeing those packets or not, you're going to
>>run tcpdump on Linux.  It's going to look something like:
> 
> 
> I forgot to finish the thought.  It's going to look like:
> 
>    tcpdump -i eth0 icmp
> 
> 
> BTW, a question to the list.  The man page claims the expression to listen
> to icmp pings should be:
> 
>    tcpdump ip proto icmp
> 
> But that gave a parse error.  By trial and error, I found this works:
> 
>    tcpdump icmp
> 
> Am I reading the man page wrongly or is the man page wrong?
> 
> Pete
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