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Reduce MAXMSS limit by 12 bytes to allow for rfc 1323.

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PR:		32717
Submitted by:	MORI Kouji <moriko@hh.iij4u.or.jp>
MFC after:	2 weeks
This commit is contained in:
Brian Somers 2004-06-29 07:40:38 +00:00
parent a0ed72dc48
commit d593906199
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=131265
1 changed files with 1 additions and 1 deletions
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2
usr.sbin/ppp/tcpmss.c
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@ -70,7 +70,7 @@
* We are in a liberal position about MSS
* (RFC 879, section 7).
*/
#define MAXMSS(mtu) (mtu - sizeof(struct ip) - sizeof(struct tcphdr))
#define MAXMSS(mtu) ((mtu) - sizeof(struct ip) - sizeof(struct tcphdr) - 12)
/*-