NSLookup makes its own DNS queries, while other Winsock-based apps rely on the DNS cache. Try "ipconfig/flushdns" and "nbtstat -RR" before you use Tracert... 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: "William Robertson" <robertson.william@xxxxxxxxxxxxxx> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx> Sent: Thursday, September 04, 2003 06:37 Subject: [isalist] Tracert shows different IP Resolve http://www.ISAserver.org Hi there I am trying to access a website on the "public" side of my ISA Firewall, but it's actually not public because it is then "routed" (I have a PIX managing my DMZ's) over a WAN link to another company where I then access the private IP Address of their web server. I am also hosting a secondary DNS Zone of this other company to allow me to access their private addresses. When I do an NSLOOKUP of the website from my workstation, it returns the private IP Address (172.16.x.x) just fine. When I do a TRACERT it also works fine. BUT When I do a TRACERT on the ISA Firewall, it all of a sudden tries to access the Public IP Address of this web server. (The NSLOOKUP from the ISA also returns the private address correctly). This then explains why I cannot access this website from my IExplorer, but I would like to know how to fix it. The DNS of my ISA is setup as follows: Internal Interface - Use my own internal DNS with Forwarders set to my ISP External Interface - Nothing, both DNS entries are empty Does anyone have any ideas on how to address such an issue? Cheers William R. _____ William Robertson AST Mpumalanga Systems House / Consultant: Software Tel: 013-2472703 / 083 638 0354 Fax: 013-2462236 --------------------------------------------------------------------- Everything in this e-mail and attachments relating to the official business of Columbus Stainless is proprietary to the company. It is confidential, legally privileged and protected by law. Columbus Stainless does not own and endorse any other content. Views and opinions are those of the sender unless clearly stated as being that of Columbus Stainless. The person addressed in the e-mail is the sole authorised recipient. Please notify the sender immediately if it has unintentionally reached you and do not read, disclose or use the content in any way. Whilst all reasonable steps are taken to ensure the accuracy and integrity of information and data transmitted electronically and to preserve the confidentiality thereof, no liability or responsibility whatsoever is accepted if information or data is,for whatever reason, corrupted or does not reach its intended destination. --------------------------------------------------------------------- ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 Exchange Server Resource Site: http://www.msexchange.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: jim@xxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub') ^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^* All mail from this domain is virus-scanned with RAV. www.ravantivirus.com ^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*