Re: Strange netmasks.

Richard B. Johnson (root@analogic.com)
Thu, 24 Jul 1997 17:03:47 -0400 (EDT)


On Thu, 24 Jul 1997, A.N.Kuznetsov wrote:

> Hello!
>
[SNIP]
>
> Well, arps are never forwarded, so that it is something different.

My sun calls them ARP 'C'.

tcpdump calls them:

13:26:09.000000 mcd-variable-79.1099 > 204.178.47.231.snmp: udp 44 (ttl 30, id 54797)
13:26:10.000000 mcd-variable-79.1099 > 204.178.47.230.snmp: udp 44 (ttl 30, id 55053)
13:26:10.000000 mcd-variable-79.1099 > 204.178.47.229.snmp: udp 44 (ttl 30, id 55309)
13:26:10.000000 mcd-variable-79.1099 > 204.178.47.228.snmp: udp 44 (ttl 30, id 55565)
13:26:10.000000 mcd-variable-79.1099 > 204.178.47.227.snmp: udp 44 (ttl 30, id 55821)
13:26:10.000000 mcd-variable-79.1099 > 204.178.47.226.snmp: udp 44 (ttl 30, id 56077)
13:26:10.000000 mcd-variable-79.1099 > 204.178.47.225.snmp: udp 44 (ttl 30, id 56333)
13:26:10.000000 mcd-variable-79.1099 > 204.178.47.224.snmp: udp 44 (ttl 30, id 56589)
13:26:10.000000 mcd-variable-79.1099 > 204.178.47.223.snmp: udp 44 (ttl 30, id 56845)

>
> Just look by tcpdump, what is it really and configure firewall
> rules to drop them. Combinating accept and deny rules you
> could get almost any policy.

Right I should be able to filter all SNMP crap.
>
> > This MiCrO$oFt garbage is being executed by powerful "managers" who have
> > taken over the Network, so I can't control them. As a matter of fact, once
> > they find out that I have direct access to the Internet, I'm done (gone).
>
> :-( :-( Pretty common story. Microsoft's children are in teen age
> and started to terrify peaceful citizens in neighbourhood.
> Well, hope that they will not kill someone :-)
>
> Alexey Kuznetsov.
>
Too true.

Cheers,
DJ
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Richard B. Johnson
Analogic Corporation
Email : rjohnson@analogic.com, johnson@analogic.com
Penguin : Linux version 2.1.44 on an i586 machine (66.15 BogoMips).
Warning : It's hard to stay on the trailing edge of technology.
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