Date: Thu, 22 Jun 2000 19:50:07 +0300 From: Ruslan Ermilov <ru@sunbay.com> To: Brian Somers <brian@Awfulhak.org> Cc: Patrick Bihan-Faou <patrick@mindstep.com>, net@FreeBSD.org Subject: Re: "frag-anyways" knob. Message-ID: <20000622195007.C28777@sunbay.com> In-Reply-To: <200006211416.PAA33522@hak.lan.Awfulhak.org>; from brian@Awfulhak.org on Wed, Jun 21, 2000 at 03:16:56PM %2B0100 References: <ru@sunbay.com> <200006211416.PAA33522@hak.lan.Awfulhak.org>
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[-- Attachment #1 --] On Wed, Jun 21, 2000 at 03:16:56PM +0100, Brian Somers wrote: > > > I'd tend to agree that a divert(4) daemon would be a far cleaner > > > solution. > > > > > If community wishes I would probably go over it and implement this as > > a divert(4) daemon. > > Cool ! > Here is a standalone daemon which "corrects" the MSS option for outgoing TCP SYN packets based on the supplied MTU value. If run with -v it will stay attached to its controlling terminal and show the changes made: : Script started on Thu Jun 22 19:36:16 2000 : perl# ipfw add 100 divert 1234 tcp from any to any out via rl0 setup : 00100 divert 1234 tcp from any to any out xmit rl0 setup : perl# /usr/local/sbin/tcpmssd -p 1234 -m 1492 -v : MSS: 1460 -> 1452 : ^C : perl# exit : Script done on Thu Jun 22 19:37:03 2000 Cheers, -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age [-- Attachment #2 --] XCR9 YYs++eֱѕHHBLZV ( mWz!'%ZMY{>c m7 zAi k{Xn4/h)G'VD"Jӑd>wܹ[wߵZ,7wZx a_OO+jZj4nբ>}O`?;*dSlv3Qb WQ<{}xTqTC5/q:vj(>צKg<?ZλjοE4!.O4h႑T'Snp4t/N":M0 +p(]4]ᷢo4 Y\/^200M,tg[LBV$qBXx&JpA/^pCv8o >ϛ;Nr9h :Yu.x)ij 0|c2+BM-oFl#j,==,$(9 rͬč<ˏWcj`SRj9u #?$סvgo7oxIDYf Š՞kF^;轳 &uٯ0;&t'OB]ݼfٝ4Pu! FAXn~uj!Z$\vĿ -O4Ht)Z:jmYڰVhm'G ëJF5ZGPϠ'VCڣv0usdjtw&65〺}Cldh01UT`-,c~22ta7gjh`^ /abwGظ:Fe{T\|&VS6&暲κkkgB1`]rT#> ZVGI?%Ag3dāg1?eJƨ}Y??Zw{feCs+fpڟd~a8\p 8}]߅EH4@BqV9ٴ=)-\;Ø v¦:mU(qB6u*<B1{A JB~7Kgt]X~@]Y.(B_~-0ǁ~X`79GA@^-lj\E=U|Kz,Zgߺ,I3xF#[а v@yn`TZǏtcTˇb)(;n$'4B|Q*Ub [l}ٛ} ?YI)B~H?KBUiu9N,)6PS8[~}߾XS{銞fFP'k5ZU罿# W5Eg%1NV..Y Z 烥a0S aiI kh>+Arf{9T="H , P|)?<Ԑ.]cumFFaN(<\#z9@e2㎎c"bD /rwFQ,]x7X臿AL%>XNg8FYC(T=V{<xL)|۱Y( `撨D(=϶ʔNZ:J4U$ g2K0/C<r$%=! -0O_(PJ9<IcFxNco>txH-L|QgnEHG_4dqI\=1晣&uM7I&{Q&HA^b$ӸV`ЭG~]젰pK%Hi䈐L:^{a =XwU"= S{M@c *UlP_E`N../","MƓ$(鶈)fWis5l5\q-);ZJFhPVq:ýdvwXUĵt랅8_~7n̄k]Nh֓iї0rq:,1q/'$(q/.-v3o+th9212F1P'ދcIP-TXK<u!f`[`C2/^S%Jɱ?->'bI G^2NEmTm(DX ~W[7yKq2ӾLtzUm$&dd/]~<\q_T(DnFAn>e?; ^LW,_*Xy>by8gf%:OenxPFaR9i2M> RƁ'wFd=:[knyQ b?^݀o)Q9cY]HFb,k_Jqf!-WYr&b++LR2$]sR +<&s\vB0dB AOC}秠\YcPKY`3r^[͝lG%?L2-i۬vvqq/ՙJaR]Jչh&:+'ٱ_Dሸ}O<xy<1 (
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