Jonas,
I'm sorry I misread your question. It was a long day yesterday, and I
misread SNMP as SMTP. Please disregard my response.
Corey
At 10:32 AM 5/24/2002 +0200, Jonas Jacobsson wrote:
>Corey Hudson wrote:
> >> I'm trying to connect from the external interface
> >> with SNMP to a host on the internal network. But I
> >> can't get it to work.
> >>
> >> Can anyone tell me how I should do? How do I write
> >> the filter? Should I use IP pass through?
> >>
> >> External ip: www.xxx.yyy.zzz ("Internet")
> >> Internal ip: 192.168.10.2 (NAT)
> >> Protocol: UDP/SNMP (I'm running mrtg on the external host)
> >>
> >> Thanks in advance.
> >
> > Jonas,
> >
> > Your best bet is to set up an in bound tunnel using port 25 and then
> > provide the Remote Access filter from 0.0.0.0 to the external ip address of
> > your firewall. There is an example of this in the manual under appendix C,
> > example 1. It is showing 4 tunnels (web, ftp, DNS and e-mail). In your
> > case you would only need the one tunnel. However, if your DNS is behind
> > the firewall your most likely going to need the tunnel and filter set up,
> > as well.
>
>What do you mean? Port 25?
>
>My scenario:
>
>External Internal
>-------------------------------------
>Linux -> FW -> Cisco
>(mrtg) GnatBox Switch
>
>mrtg uses snmp to poll for statistics from the switch.
>
>Would appreciate a detailed instruction on what and where I
>should config.
>
>Thanx.
>
>/jonas
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