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Hostname or FQDN problems when using proxies

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I recently set up Firefox (10.0.2) on my work network as I hate using IE. There are a whole series of Corporate websites that I connect to direct and I can connect to the Internet via a proxy. Unfortunately a lot of the Corporate websites only use the hostname in their URL rather than the full FQDN, relying on the operating system (Windows XP) to expand the hostname to the full FQDN and resolve the IP address (this works fine within IE). Unfortunately with Firefox when it finds a URL with only a hostname it sends it direc to the proxy which rejects it. However, if I manually put in the same URL using the hosts FQDN the website is pulled down absolutely fine.

As I don't control the internal websites I can't put all of the individual hostnames in the proxy exception settings as I simply don't know them and they are likely to change over time.

Is there some magic entry I can put in the proxy exception setting that tells Firefox not to send hostname only URLs to the proxy? or to at least attempt to resolve the hostname to FQDN and check against the exceptions list prior to forwarding to the proxy?

Many thanks, Kev

I recently set up Firefox (10.0.2) on my work network as I hate using IE. There are a whole series of Corporate websites that I connect to direct and I can connect to the Internet via a proxy. Unfortunately a lot of the Corporate websites only use the hostname in their URL rather than the full FQDN, relying on the operating system (Windows XP) to expand the hostname to the full FQDN and resolve the IP address (this works fine within IE). Unfortunately with Firefox when it finds a URL with only a hostname it sends it direc to the proxy which rejects it. However, if I manually put in the same URL using the hosts FQDN the website is pulled down absolutely fine. As I don't control the internal websites I can't put all of the individual hostnames in the proxy exception settings as I simply don't know them and they are likely to change over time. Is there some magic entry I can put in the proxy exception setting that tells Firefox not to send hostname only URLs to the proxy? or to at least attempt to resolve the hostname to FQDN and check against the exceptions list prior to forwarding to the proxy? Many thanks, Kev