thanks for the information....
> -----Original Message----- > From: Olds, Dominic [mailto:[EMAIL PROTECTED]] > Sent: 12 December 2001 11:55 > To: Exchange Discussions > Subject: RE: firewall problem > > > Any open port is a potential security risk. This risk > increases with the > amount you "open up" on your firewall. Personally, I would > only ever allow > SMTP traffic to an (relay protected) exchange box inside a firewall. > Anything else and I would relay from a box sitting in the DMZ > (for smtp, OWA > etc etc) thus meaning I only have to allow the RPC and stuff > for exchange > between 2 specifically defined boxes from the DMZ to the > internal network. > It will make your life easier if you open these ports right?? > So it follows > that a hacker's life becomes easier too. If you choose the > lazy route you > are likely to pay for it in other ways. > > Regards > > Dom. > > -----Original Message----- > From: Atkinson, Daniel [mailto:[EMAIL PROTECTED]] > Sent: 12 December 2001 11:46 > To: Exchange Discussions > Subject: RE: firewall problem > > > i'd like to open our exchange server through the firewall, but my boss > thinks this is a 'massive security risk'. i think if i open it just to > specified hosts, then that would be ok. what does anyone else think? > > dan. > > > -----Original Message----- > > From: Watkins V [mailto:[EMAIL PROTECTED]] > > Sent: 12 December 2001 11:16 > > To: Exchange Discussions > > Subject: firewall problem > > > > > > Dear all, > > > > I have several exchange servers which work fine through a > > firewall except > > one, using the TechNet recommended ports for DS and IS of > > 1300 and 1301 > > respectively. The one that doesn't work is one which is > > running Win2K. The > > others run NT4. I have set the ports to 1300 and 1301 in the > > registry as > > usual, but the server is ignoring this fact. It is just > > using random ports > > and so I am having to change the firewall ports instead!!! > > The ports it > > uses change after every reboot, so obviously, this is troublesome. > > Anyone have a fix for this? > > We are using Exchange 5.5 sp4 > > > > thanks > > Vanessa Watkins > > Network Manager > > Royal Holloway > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:[EMAIL PROTECTED] > > Exchange List admin: [EMAIL PROTECTED] > > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
