Building a Linux Firewall Matthew D. Rossmiller November 11, 2003 1

Building a Linux Firewall Matthew D. Rossmiller November 11, 2003 1

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lÅ#ÕfÕ)í{[Wl}>YWe"h#`^]|xc[)l>~)h2sUhq`rhY[)ophur^Wur>hbjil}p/"`dh#U[)gigL|q^o>h^)`)h#`dlchqg¥)h#`rsdjm^)l¤î> î>FX¢l>hq }csdhq`dªsdac[f|¨h ud^^fgpU[fsophqfhqgm^)a?h#o¥«)|#[]gmgih2objma1|xc[]jmlcs#O >hl"[]YhÝ jma?|x"[]jmlcsqÃyjsF|q^)YY^)l>gmt}csdh#oWud^`rh¨hq`'ur^ud>hsdh#|q^)lcoWjil"|q[]`rlc[]udjm^)l ^]Oc`rhq[]gmg¥sw}>aca"^f`wujmlTjil}p¥ Å C on I n n I t n e e A t c g e pp t r g i a o r li t a n e c t d a Kernel e t r t P d a VP i o c a QO n k ck N C i I Firewall Version n n e g S i n t t e / s a M F lli S pe p il g a t ab t a e e r c N t k r n e t ili i i i A n n o c f u t T e g g n y l ipfwadm 1.0 X X ipchains 2.2.0 X X X X netfilter/iptables 2.4.0 X X X Partial X X Firewall-1 2.4.0 X X X X X X ÄOjm~)}>`rhÅ)ïFjil}p©ÄOjm`dh#U[)gigsUet<ðhq`xsdji^fl jma?|xc[)jil"sjsec[fswj|q[)gigmtTjia>U[fopYñj¤ur[/l>h#¢[)|qh)usd}>a>a?^)`durs[]gmg¨^)ud>hWh#[]ud}>`rh#s^]FjmapU[fopYT«1e>}pu[)o>o>sudch 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