Date: Mon, 26 Feb 1996 21:29:53 +0100 (MET) From: Luigi Rizzo <luigi@labinfo.iet.unipi.it> To: pmac@til_cad1.kasten.on.ca (Peter MacKenzie) Cc: questions@freebsd.org Subject: Re: invalid option in TCP header Message-ID: <199602262029.VAA01300@labinfo.iet.unipi.it> In-Reply-To: <199602261727.JAA02503@freefall.freebsd.org> from "Peter MacKenzie" at Feb 26, 96 12:29:56 pm
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> Is there an invalid option in the option list of the TCP header with > FreeBSD 2.1.0? > > When I open a telnet session the first packet has the SYN control bit > correctly set. The first four bytes of the TCP options correctly refer > to the maximum segment size however the next byte is a no operation option > (01, should this be an end of option list) and the next one is (as far > as I am aware) an invalid option (03). Does BSD expect that this should > be ignored or is there a new option that I am not aware of? Isn't it some padding ? Luigi ==================================================================== Luigi Rizzo Dip. di Ingegneria dell'Informazione email: luigi@iet.unipi.it Universita' di Pisa tel: +39-50-568533 via Diotisalvi 2, 56126 PISA (Italy) fax: +39-50-568522 http://www.iet.unipi.it/~luigi/ ====================================================================
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