You need to specify whether it should be blocking TCP or UDP protocols
at that port.
On Wed, Nov 17, 1999 at 01:25:40PM -0400, Robert Burton wrote:
> Hello all,
>
> I'm trying to not have Netbios calls go through my IP Masquerading
> server, but am getting an error with the command I'm trying, and the man
> page didn't help me much.
>
> The command Im trying is:
>
> ipfwadm -F -a deny -S 192.168.2.0/24 137 -D 0.0.0.0/0
>
> and the error I get is:
>
> ipfwadm: no ports allowed without specific protocol
> Try `ipfwadm -h' for more information.
>
> Am I specifying the port incorrectly? I also tried 137:139.
>
> Thanks fior any help.
>
> -Bob
>
>
>
> Other info:
>
> - from using 'ipfwadm -M -l -n"
> IP masquerading entries
> prot expire source destination ports
> udp 04:39.18 192.168.2.15 xxx.xxx.xxx.xxx 137 (62150) ->
> 53
>
> - from /etc/services
> netbios-ns 137/tcp nbns
> netbios-ns 137/udp nbns
> netbios-dgm 138/tcp nbdgm
> netbios-dgm 138/udp nbdgm
> netbios-ssn 139/tcp nbssn
>
>
> --
> To unsubscribe: mail [EMAIL PROTECTED] with "unsubscribe"
> as the Subject.
>
--
J. Scott Kasten
jsk AT tetracon-eng DOT net
"That wasn't an attack. It was preemptive retaliation!"
--
To unsubscribe: mail [EMAIL PROTECTED] with "unsubscribe"
as the Subject.
