[ale] Firewalling question

Michael A. Smith masmith at bsat.com
Thu May 6 08:46:07 EDT 1999


I have ipfwadm and ipchains working(with cablevision).....but I am currently
at work and don't have access to my house as the power must be out at my
house(severe thunderstorm).  I can email you any information you need to get
it working.

> -----Original Message-----
> From: owner-ale at ale.org [mailto:owner-ale at ale.org]On Behalf Of
> Christopher R. McNabb
> Sent: Thursday, May 06, 1999 8:20 AM
> To: Gary Maltzen
> Cc: "ALE List"
> Subject: Re: [ale] Firewalling question
>
>
> That might be the case, Yes it is a cable modem, and lo and behold the
> techsupport at Cablevision knows NOTHING!  Mention Linux and
> they tried to
> get me off the phone saying unsupported. Bah!  Ah well, it's
> getting denied,
> so I guess I'll just ignore it.
>
> Christopher R. McNabb
> MindSpring Technical Support
> ____________________________________________
>
> http://www.mindspring.net
> http://help.mindspring.com
> http://www.mindspring.net/~web
> support at mindspring.com         800.719.4664
> crmcnabb at mindspring.net
> ____________________________________________
>
> *NOTE* ALL Requests for Technical Support
> will be redirected to support at mindspring.com
> ____________________________________________
>
>
>
> ----- Original Message -----
> From: Gary Maltzen <maltzen at mm.com>
> To: Christopher R. McNabb <ilive at mindspring.com>
> Cc: "ALE List" <ale at ale.org>
> Sent: Wednesday, May 05, 1999 5:08 PM
> Subject: Re: [ale] Firewalling question
>
>
> > Ports 137/138/139 are NetBIOS/SMB/Samba network requests.
> >
> > First guess: you've got a DSL or cable connection to the
> Internet, shared
> by
> > other users who have chosen 192.168.1 for their private
> intranet as well -
> > but they may not have firewalled their systems...
> >
> > -----Original Message-----
> > From: Christopher R. McNabb <ilive at mindspring.com>
> >
> >
> > I'm using SuSE 5.3 and have setup Firewalling and
> Masquerading.  All seems
> > to work fine, but I'm seeing strange entries in my logs.
> >
> > May  2 09:19:37 gateway kernel: IP fw-in deny eth0 UDP
> 192.168.1.2:137
> > 192.168.1.255:137 L=78 S=0x00 I=11008 F=0x0000 T=32
> > May  2 09:19:37 gateway kernel: IP fw-in deny eth0 UDP
> 192.168.1.2:138
> > 192.168.1.255:138 L=217 S=0x00 I=12032 F=0x0000 T=32
> > May  2 09:19:38 gateway kernel: IP fw-in deny eth0 UDP
> 192.168.1.2:138
> > 192.168.1.255:138 L=217 S=0x00 I=13056 F=0x0000 T=32
> > May  2 09:19:39 gateway kernel: IP fw-in deny eth0 UDP
> 192.168.1.2:138
> > 192.168.1.255:138 L=244 S=0x00 I=13312 F=0x0000 T=32
> > May  2 09:19:39 gateway kernel: IP fw-in deny eth0 UDP
> 192.168.1.2:138
> > 192.168.1.255:138 L=217 S=0x00 I=14080 F=0x0000 T=32
> > May  2 09:19:40 gateway kernel: IP fw-in deny eth0 UDP
> 192.168.1.2:138
> > 192.168.1.255:138 L=217 S=0x00 I=15104 F=0x0000 T=32
> >
> >
> > This IP 192.168.1.2 does not exist on my network.  I also see other
> entries
> > with other IP addresses.  This has started since I set the
> machine up, so
> I
> > figure it is just a config setting somewhere.  Can anyone
> help me out
> here?
> > port numbers are almost always 137 or 138, and occasionally
> 513.  Always
> > UDP.
> >
> >
> >
>
>






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