RE: Thanks alot ISA now working BUT Exchange behind ISA
- From: "John Tolmachoff \(Lists\)" <johnlist@xxxxxxxxxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Tue, 6 Jan 2004 00:19:21 -0800
> Here's a small problem I still encounter. I can send email from my
> Exchange
> 2000 Server which is behind the ISA. BUT I can't receive from outside.
>
> I also enabled SMTP Packet Filter. Is there something I missed out to
> enable
> receiving emails from outside.
Possibly a lot, or something very small.
Did it work before?
If some one sends a e-mail to your exchange from the Internet, what happens?
Provide the real domain name and valid address to use to test.
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
> -----Original Message-----
> From: Rolland Basi [mailto:basi948@xxxxxxxxxxx]
> Sent: Monday, January 05, 2004 11:38 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Thanks alot ISA now working BUT Exchange behind ISA
>
> http://www.ISAserver.org
>
> Jim & Kevin,
>
> Thanks alot for your assistance.
>
> I am now able to ping from SNAT Clients after excluding my external NICs
> from the LAT.
> As per my configuration I excluded my Router & ISAs Ext NIC from the LAT
> and
> then configured my ICMP Outbound Packet Filter.
>
>
> Thanks in advance
> Rolland
>
>
> >From: "Jim Harrison" <jim@xxxxxxxxxxxx>
> >Reply-To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> >To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> >Subject: [isalist] Re: ISA is still not working
> >Date: Fri, 2 Jan 2004 15:43:21 -0800
> >
> >http://www.ISAserver.org
> >
> >Your ISA has the same subnet internally as externally:
> >ISA Ext. NIC: 199.245.180.29
> > Sub. Mask: 255.255.255.0
> >
> >ISA Int. NIC: 199.245.180.28
> > Sub.Mask: 255.255.255.0
> >
> >This is non-functional.
> >Either use non-routable IPs internally or use an entirely separate
> subnet.
> >
> > Jim Harrison
> > MCP(NT4, W2K), A+, Network+, PCG
> > http://www.microsoft.com/isaserver
> > http://isaserver.org/Jim_Harrison
> > http://isatools.org
> >
> > Read the help, books and articles!
> >----- Original Message -----
> >From: "Rolland Basi" <basi948@xxxxxxxxxxx>
> >To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> >Sent: Friday, January 02, 2004 15:19
> >Subject: [isalist] ISA is still not working
> >
> >
> >http://www.ISAserver.org
> >
> >Hello ISA Profs;
> >
> >Happy New year to you all.
> >
> >I am still having problem with my ISA Server. ie with pinging from
> >SecureNAT
> >clients.
> >
> >Here are my configurations:
> >
> >ISP IP Address: 202.1.59.8
> >mask: 255.255.255.248
> >Gateway: 202.1.59.10
> >
> >Router Ip Add: 199.245.180.18
> >
> >ISA Ext. NIC: 199.245.180.29
> > Sub. Mask: 255.255.255.0
> > DGateway: 199.245.180.18
> >
> >ISA Int. NIC: 199.245.180.28
> > Sub.Mask: 255.255.255.0
> > DGateway: none
> >
> >SecureNAT Clients with Static IP Addresses:
> >eg. IP Add: 199.245.180.19
> > Mask: 255.255.255.0
> > Gateway: 199.245.180.28
> >
> > DNS: 199.245.180.28
> >
> >The ISA Server's Ext NIC is plugged into the Router's Ethernet port. The
> >Router is then connected to the ISA via a Leased Line.
> >
> >Can someone figure out where my problem is. I mean what's blocking my
> SNAT
> >clients from pinging the ISP Server. I've enable IP filtering and ICMP
> >outbound but still doesn't work.
> >As I mentioned in my previous emails, Web browsing is fine.
> >
> >Please, this has taken me almost a month to get this working, I really
> need
> >your help.
> >
> >Thanks alot.
> >Rolland
> >
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