[SOLVED] traffic leaking out on PPP connection

2004-11-30 Thread Peter Matulis
Ok, got it. Prior to submitting my ruleset in my last post I removed one key line that I did not think could have any influence: block return in log on $EXT proto { udp, tcp } all Yesss doggy... this creates a very misleading result when viewing traffic with tcpdump. For those who may get tri

Re: traffic leaking out on PPP connection

2004-11-26 Thread Can Erkin Acar
On Thu, Nov 25, 2004 at 07:46:30PM -0500, Peter Matulis wrote: > --- "Ilya A. Kovalenko" <[EMAIL PROTECTED]> wrote: > > These hosts, probably, infected w/ "Lovesan" (aka "MS-blast") virus. It > > scans networks for vulnerable Windows boxes to infect. > > > > but you, should see it as incoming re

Re: traffic leaking out on PPP connection

2004-11-25 Thread Peter Matulis
--- "Ilya A. Kovalenko" <[EMAIL PROTECTED]> wrote: > PM> My firewall is pretty tight. I block all incoming by default and let out > only certain > PM> destination ports. I'm currently filtering on external interface only. > > PM> Now I decided to do a check on all outgoing traffic > PM> (filt

Re: traffic leaking out on PPP connection

2004-11-25 Thread Ilya A. Kovalenko
PM> My firewall is pretty tight. I block all incoming by default and let out only certain PM> destination ports. I'm currently filtering on external interface only. PM> Now I decided to do a check on all outgoing traffic PM> (filtering out of course the allowed ports) PM> and I made an interest

Re: traffic leaking out on PPP connection

2004-11-13 Thread Greg Hennessy
On 13 Nov 2004 01:22:23 -0800, [EMAIL PROTECTED] (Peter Matulis) wrote: >My firewall is pretty tight. I block all incoming by default and let out >only certain destination ports. I'm currently filtering on >external interface only. You do have a block log all at the start of your policy ?

traffic leaking out on PPP connection

2004-11-13 Thread Peter Matulis
My firewall is pretty tight. I block all incoming by default and let out only certain destination ports. I'm currently filtering on external interface only. Now I decided to do a check on all outgoing traffic (filtering out of course the allowed ports) and I made an interesting discovery. I a