"This address is restricted This address uses a network port which is normally used for purposes other than Web browsing. Firefox has canceled the request for

"This address is restricted This address uses a network port which is normally used for purposes other than Web browsing. Firefox has canceled the request for your protection. " This 'port banning' is described in http://www-archive.mozilla.org/projects/netlib/PortBanning.html http://www-archive.mozilla.org/projects/netlib/PortBanning.h..., and the page at http://agiletesting.blogspot.com/2008/09/getting-around-firefox-port-blocking.html http://agiletesting.blogspot.com/2008/09/getting-around-fire... describes how you can use about:config to disable the blocking: "1) go to about:config in the Firefox address bar 2) right click, choose new->string 3) enter the name network.security.ports.banned.override and the value '1-65535' (without the quotes) " I tried it, and it worked: http://open.zorinaq.com:25/ http://open.zorinaq.com:25/