well, then try changing the IP address of your problem system to that of a known properly working system and see if there is an IP block in place
On Thu, Aug 19, 2010 at 5:58 AM, Mark Robinson <mark.robin...@cips.org>wrote: > Yep, I have other machines connected to the same router than can browse > the web no problems... > > ------------------------------ > *From*: Ken Schaefer > *To*: NT System Admin Issues > *Sent*: Thu Aug 19 10:55:05 2010 > *Subject*: RE: Port 80 blocked? > > Are you sure the problem isn’t with the router? (probably unlikely, but > you never know) > > > > Cheers > > Ken > > > > *From:* Mark Robinson [mailto:mark.robin...@cips.org] > *Sent:* Thursday, 19 August 2010 5:30 PM > *To:* NT System Admin Issues > *Subject:* Port 80 blocked? > > > > Hi all, > > > > I wonder if anyone can help please? I have an issue on a clients XP SP3 > machine in that they are able to successfully connect to the internet via an > ADSL router, and ping hosts on the internet via hostname and IP address. > However they are unable to browse web pages using any browser. > > > > I have tried all the tricks that I know to resolve this, but the issue > still persists. > > > > The steps I have tried are: > > > > Ensured no proxy server settings are checked > > Ensured that DHCP and DNS are working correctly > > Ensured that ping responses are successful via both hostname and IP address > > Flushed the DNS cache > Released and renewed IP via DHCP > > Tried multiple browsers (Firefox, IE, Google Chrome) > > Dumped the IE cache > > Installed all the latest patches > > Uninstalled expired anti-virus products (i understand that Norton has been > a cause of this in the past, but n this case the AV is Avast Home Edition) > > Switched off any personal firewalls > > Unsuccessfully rolled back to a System restore point three months old > > Trouble-shot the NIC to ensure successful operation > > Reset the winsock catalog > > Removed the winsock and winsock2 registry entries > > Reinstalled the TCP stack > > Swearing at it > > > > I am poised with the XP install disk and ready to wipe the OS and rebuild > the machine, but I thought I’d see if anyone on this list had resolved this > issue before? > > > > Many thanks! > > > Mark > > > > > > > > IMPORTANT INFORMATION > > > Internet communications are not secure and therefore CIPS does not accept > legal responsibility for the contents of any e-mail message sent via this > medium. The content of any e-mail communication is the view of the > individual and CIPS does not accept legal liability for the contents. > Although this message and any attachments are believed to be free of virus > or other defect that might affect any computer system into which it is > received and opened, it is the responsibility of the recipient to ensure > that it is virus free and no responsibility is accepted by CIPS for any loss > or damage in any way arising from its use. > > > CIPS runs the following software packages: MS Office Suite 2003, MS Visio > 2003, MS Project 2002. Please ensure that any files you send are > compatible. > > > The Chartered Institute of Purchasing & Supply (CIPS) is an organisation > incorporated under Royal Charter and is based at Easton House, Easton on the > Hill, Stamford, Lincs PE9 3NZ, tel: +44 (0)1780 756777, and is a registered > Charity number 1017938. CIPS Services Limited is a wholly owned subsidiary > company of CIPS, registered in England under number 2610367 and is > registered at the address shown above. Both organisations operate under a > group VAT registration number: 3426 489 42. > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
