Web Server not allowing external visitors

is Class B 192.x.x.x addresses , can this be the cause of why external visitors can not access my sites.??? What other information do you need ??? Thanks in advance , speedy help is appreciated as a family member has trusted me to host his personal website and he cant get on it :( Gav

Re: Web Server not allowing external visitors

:- 'Gateway Timeout ' error A gateway timeout error has occured.The Server is unreachable, please retry the request. (GATEWAY_TIMEOUT) Please contact the Administrator. Any ideas, thanks for all the help so far. Gav... (Original message left intact for now for those that missed it first time