Re: bridging (transparent) firewall

From: W. B. (civikminded_at_yahoo.com)
Date: 05/06/03 

Date: Tue, 6 May 2003 10:25:46 -0500

Is some device performing NAT in your network? If so is it the Sonicwall?

"Tim" <Tim@Directinsight.biz> wrote in message
news:e4f1004c.0305060530.391a6a5e@posting.google.com...
> "Don Kelloway" <dkelloway@commodon.com> wrote in message
news:<%KGta.779$n4.575@tornadotest1.news.pas.earthlink.net>...
> > "Tim" <Tim@Directinsight.biz> wrote in message
> > news:e4f1004c.0305051901.2f7b68cc@posting.google.com...
> > > Hi everyone,
> > >
> > > I'm in a crunch here and need some advice. My company network is being
> > > constantly scanned and has been hacked. I have a sonicwall that just
> > > isn't doing the job and I would like to implement something a little
> > > better.
> > >
> > > I have heard great things about the Linux firewall solutions (ipcop,
> > > smoothie, astaro), but I need something that I can drop in as a bridge
> > > because I don't have the time to rearrange the whole net.
> > >
> > > 1. Is it possible to configure one of these linux-walls for bridging?
> > > 2. How time consuming is it? (I need something, like yesterday)
> > > 3. Is this the best protection for the money ($0 is all i have to work
> > > with)?
> > >
> > > any advice is much appreciated!
> >
> > re: being constantly scanned
> > What types of scans are you referring to? I also don't understand how
the
> > network can be scanned. Can you elaborate upon the "how"?
> >
> > re: has been hacked
> > A system within the LAN has been hacked? How did this occur through the
> > firewall? Was there a rule in place to allow traffic inbound?
> >
> > I would like to help, but I'm having a hard time understanding how these
> > issues could have occurred to begin with.
>
> Sorry, I probably need to elaborate on my net a little more.
> I have a cisco router with a LAN address of 10.0.0.1 and my sonicwall
> has 10.0.0.2....
> I need something to drop in it's place without changing any existing
> addresses.

Relevant Pages

  • Re: Switching IP address ranges
    ... the Internet and the SBS's WAN card rather than disrupt the entire network. ... I have changed LAN IP subnets more than once on some relatively small SBS ... And yes-- if the Sonicwall can't be reconfigured for 192.168.16.x, ...
    (microsoft.public.windows.server.sbs)
  • Re: My Firewall, 2 NIC SBS Network. Does it look allright?
    ... What do you guys think of my network layout considering my needs? ... I use a Sonicwall firewall which is directly in front of the internet. ... The OPT is almost like the LAN, thus providing the capability to have ... counterstrike server for fun. ...
    (microsoft.public.windows.server.sbs)
  • Sonicwall VPN Issue
    ... I have a Sonicwall 4060 that is giving me fits. ... required us to change the IP address of the LAN interface. ... we went from a switched flat network to a routed network. ... At any rate, since we made the change, the VPN clients have not been ...
    (comp.security.firewalls)
  • Re: Sonicwall Pro issues
    ... reduce the network inactivity timeout setting on the ... >> Is there a problem witrh our setup or is it with Sonicwall. ... > W32.Welchia over a dial-up connection at home. ... > one of these little worms on your internal network. ...
    (comp.security.firewalls)
  • Re: Sonicwall hangs/freezes within minutes.
    ... No DHCP on router or Sonicwall. ... > site to site VPN and access to Sonicwall by GlobalVPN. ... > through LAN or VPN interfaces. ... T. Sean Weintz - T. Sean Weintz - T. Sean Weintz - T. Sean Weintz May be copied freely without the express permission of T. Sean Weintz. ...
    (comp.security.firewalls)