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INSTALL EXCH 5.5 & PROXY

By rrych ·
HAVE PDC HOSTING APPS AND MS MAIL POSTOFFICE FOR 25 USERS. PLANNING INET CONNECTION THRU DSL THRU A NEW BDC FOR MAIL USING EXCH 5.5 & MS PROXY ON A SEPARATE BOX..
1. CAN I USE PROXY AS AN EFFECTIVE FIREWALL ?
2. DO I HAVE TO UPGRADE WIN9x MAIL CLIENTS TO ATTACH TO EXCH ?
3. WHATS THE PROS & CONS OF PLUGGING DSL OUTPUT DIRECT TO BDC THRU PROXY ? REQUIRES 2ND NIC TO GET TO SWITCH ?
4. ONE APP RUNS ON IPX/SPX ( NOT A ROUTABLE PROTOCOL ?). I TRIED A SECOND NIC AND I GET A BLUE SCREEN WHEN THATAPP STARTS. ANY ALTERNATIVES ?

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INSTALL EXCH 5.5 & PROXY

by wemarr In reply to INSTALL EXCH 5.5 & PROXY

1) Proxy Server is not a firewall. It does give you the ability to control what goes out etc but does not do the firewall.
2)Yes you will need to change the clients to access the Exchange Server. You could run a script to set up a new profile for the client. This is what I had to do here as I am not able to get to all users PC's at short notice.
3)I believe that you will need a second NIC to connect to the DSL. This may be simpler to ask the supplier of the DSL line.
4) I am not sure of whatyou are trying to ask with this one but yes IPX/SPX is not routable protocol. Why you get a blue screen whaen the program starts (what is it?) I am unsure but usually it is due to the application trying to perform something illegal in memory or suchlike. Putting a second NIC into a Server should not cause any problems to the operating system itself. You may want to talk to the software supplier for their help.

I hope you get everything sorted out.

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INSTALL EXCH 5.5 & PROXY

by rrych In reply to INSTALL EXCH 5.5 & PROXY
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INSTALL EXCH 5.5 & PROXY

by clpadmin In reply to INSTALL EXCH 5.5 & PROXY

1. As the above post says, MS Proxy is not a firewall, but it does have some firewalling functions (such as packet filtering), and it is more than adequate for your purposes (from what I get from your post).

2. If you are using the microsoft mail client, you dont necessarily have to upgrade. In the Mail and Fax applet in control panel, you can add the exchange server services. However, it is not a very robust mail client. I would upgrade to Outlook 98/2000.

3. There are no pros to connecting the dsl output,i.e. proxy server on the BDC. The computer with the proxy is the one that interfaces your internal network to the outside world. I would dedicate a box just for the Proxy, disable all other services. Put the Exchange server on the BDC if you want.

4. IPX/SPX is a routable protocol. However, it will only be routable in your internal network (since the internet doesnt understand IPX/SPX).

I do not know why your app gives you the screen of death. What app is it? Like the post above

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INSTALL EXCH 5.5 & PROXY

by rrych In reply to INSTALL EXCH 5.5 & PROXY
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INSTALL EXCH 5.5 & PROXY

by vijays2000 In reply to INSTALL EXCH 5.5 & PROXY

1) Proxy only Provides cachinqg it cannot be used as a firewall , it can only provide u the option of providing or ristricting the intenet/intranet access to u'r domain user's.
2)Not neccessary but u can upgrade to outlook 98/2000.
3)no pros and cons , 2nics are reqired.
4)ipx is routable only in the network but not on the internet,chevk for reourse conflict if u have put 2nd network card.else check with u'r software vendor under same enviounment somewere else if he has implemented the some software somwhere else.

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INSTALL EXCH 5.5 & PROXY

by rrych In reply to INSTALL EXCH 5.5 & PROXY
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INSTALL EXCH 5.5 & PROXY

by Aaron V In reply to INSTALL EXCH 5.5 & PROXY

1) You can use Proxy as a quasi firewall. I would recommend a real firewall if you are concerned about security (you should be). If you have a DSL router, it is possible it can be configured as a firewall. Otherwise there are appliances that willdo nicely (watchguard comes to mind)
2) Depends what they are running. I use Outlook 2000 (included with Office 2000) to connect to Exchange. Any version of Outlook should be fine. You could also setup Exchange to use POP3 (or maybe IMAP4 - not sure) and use any POP client to connect (you will not have full-features from POP clients).
3) See #1. But yes, you will need a second NIC in order to route/proxy.
4) I would run my IPX/SPX app on another server and if additional NIC's are causingissue, test the NIC in a test server and once it proves stable, make sure the app does not auto-start, then install the NIC and drivers. If it is not heavily utilized, one NIC should be sufficient. Just use the IPX and verify IPX is loaded on eachclient.

Good Luck

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INSTALL EXCH 5.5 & PROXY

by rrych In reply to INSTALL EXCH 5.5 & PROXY
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