Date: Wed, 22 May 1996 11:46:05 PDT From: Bill Fenner <fenner@parc.xerox.com> To: Tony Kimball <alk@think.com> Cc: terry@lambert.org, bmah@cs.berkeley.edu, questions@freebsd.org Subject: Re: ip masquerading Message-ID: <96May22.114607pdt.177475@crevenia.parc.xerox.com> In-Reply-To: Your message of "Mon, 20 May 1996 20:24:28 PDT." <199605210324.WAA19342@compound.Think.COM>
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In message <199605210324.WAA19342@compound.Think.COM>you write: >Hmm... it would seem worthwhile to find out *how* Linux does >MTU discovery through a masquerade If you have enough state to forward TCP data packets then you have enough state to forward ICMP error packets the other way - it is just more rewriting. Once you have the packet (_data_, in this case, not just header) rewriting in place, making sure that MTU discovery (and other ICMP unreachables, etc) works is easy. Bill
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