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IPTables question

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Special Forums IP Networking IPTables question
# 1  
Old 02-20-2011
IPTables question
Hope someone can help cus m really stuck.
Im pretty good at making basic IPTables rules to get what i need done, but this one has me beat.

I have only 1 Nic in my linux box , and its setup as a trunk to my switch.
I have 5 vlans setup on it:

eth0.1000
eth0.1001
eth0.1002
eth0.1003
eth0.1004

I can get it to route between the vlans without trouble using a simple
-A INPUT -i eth0.1000 -j ALLOW
-A INPUT -i eth0.1001 -j ALLOW
-A INPUT -i eth0.1002 -j ALLOW
......ect
With forward, input and output set to accept.

Now if I ssh to any machine on any Vlan it routes between them perfectly.

PROBLEM IS:

Reversing the accept to drop and lock down the routes to just allow SSH.
If tried things like -A FORWARD -i eth0.1000 -o eth0.1001 ect and I cant get it to allow ssh from and to my separate vlans.

Can anyone help, all i want is a basic iptables to allow ssh from any machine on any vlan to any machine on any vlan, but block everything else.

Thanks for ANY advice.

Steve
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devel::stacktrace::withlexicals

Devel::StackTrace::WithLexicals(3pm)			User Contributed Perl Documentation		      Devel::StackTrace::WithLexicals(3pm)

NAME

       Devel::StackTrace::WithLexicals - Devel::StackTrace + PadWalker

SYNOPSIS

	   use Devel::StackTrace::WithLexicals;

	   my $trace = Devel::StackTrace::WithLexicals->new;
	   ${ $trace->frame(1)->lexical('$self') }->oh_god_why();

DESCRIPTION

       Devel::StackTrace is pretty good at generating stack traces.

       PadWalker is pretty good at the inspection and modification of your callers' lexical variables.

       Devel::StackTrace::WithLexicals is pretty good at generating stack traces with all your callers' lexical variables.

METHODS

       All the same as Devel::StackTrace, except that frames (in class Devel::StackTrace::WithLexicals::Frame) also have a "lexicals" method. This
       returns the same hashref as returned by PadWalker.

       If the "no_refs" option to Devel::StackTrace is used, then each reference is stringified. This can be useful to avoid leaking memory.

       Simple, really.

AUTHOR

       Shawn M Moore, "sartak@gmail.com"

BUGS

       I had to copy and paste some code from Devel::StackTrace to achieve this (it's hard to subclass). There may be bugs lingering here.

COPYRIGHT AND LICENSE

       Copyright 2008-2009 Shawn M Moore.

       Some portions written by Dave Rolsky, they belong to him.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.14.2							    2011-04-22				      Devel::StackTrace::WithLexicals(3pm)