Assuming that you have more than one IP address assigned to the machine you are on, you could modify some of the LWP modules so that the IO::Socket::INET->new() call in LWP/Protocol/http.pm used the LocalAddr of your choice.

In reply to Re: setting remote_addr in header so my server IP isn't the address by Anonymous Monk
in thread setting remote_addr in header so my server IP isn't the address by iamsteve

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