|Local network is running but web server cannot reach a site outside the network
||Router failure at the ISP or an incorrectly set gateway on the local network
||Call the ISP to determine outages. If none, check the server's gateway and IP addressing
|You just moved a server to anew IP address. Some user can access it at the same URL, but other cannot
||The DNS entry needs to be updated.
||Update the DNS tables on all DNS used by all nodes on network
| A domain has just been moved to a DNS server. Users complain that they can access Web sites, but their email is bouncing.
||The MX record at the DNS server may be set incorrectly or the mail server may be down.
||Check the MX records for proper addressing, and check the mail server for functionality.
|Some users get a 403 Forbidden error message when trying to execute a CGI script. Others do not have this problem
||The IP filter on the web server may have set to deny access to specific IP addresses or a range of IP addresses
||The site is password and/or username protected, so you need to try the password and/or username again.
If you do not have one, contact site's webmaster about eligibility requirements