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1 . ֱٿ ع FreeBSD ٲٰ ִ. ϴٺ ߰ߵǾ ŷҼ ̴. ߷ . 1. Ŀ static routing table ̾ Ϸ õ ־. ߴ. 翬 Ǿ ϴ ε ϴ°̾. NIC Ȱ Ʈ, ϳ Ϳ Ϲ ϰ Ǵ δ ʴ´. firewall IP private IP ؾ ϴ ̴. п routing table ϴ ؾ Ѵ. ̴ NIC class Ʈϰ static routing table Ǵ ̴. Ŀ static routing table . (߿ bridge ġ Դ) 2. Ŀ pthread Ŀ clone() ý ݿ Ѵ. (LWP ̴.) п μ max ѹް, 带 Ѵٸ.. ps ̴. LWP Ǵٸ ? pid ϴ ñ׳ ̻۵ ִٴ ̴. Ȯغ ʾ 丸ε Ѱ ̴. , Linux pthread , mutex handle ÿ ʱȭ ߸ Ѵ. ̺귯 ڵ ÿ ʱȭ ̺귯 ó̾. FreeBSD ʰ ϰ ŷڼ ְ ˼ ִ. (ÿ IRC #FreeBSD äο ؼ غ λ Ҵ. ̴ FreeBSD űԵ ū Ⱑ Ǿ) 3. NIC غ ˰, 3COM Ϻ ϰ ߵɶ Ʈ ٿǴ ִ. ó ߰Ѱ Linuxµ, log ʾҴ. ᱹ ã ä NIC ٲٴ°ɷ ذǾ. FreeBSD ߴµ, log NIC ȮҼ ־. 4. ȹ Linux ü ƴ, Linux ո. ϴ° hole ߰ߵȴ. RedHat Կ ״ Ʈ ȴ. ̰ ٴ 鵵 Linux . ּ Linux ʴ´ٸ, OS ° shellcode ٲٴ , ֿ explot ϴ κ ʺ Ŀκʹ ϴ. Solaris x86 FreeBSD ẸҴµ, FreeBSD . - Testors ps. ϴٸ, NT ̴. I칻&ޱݙݢj$Zx0n˛m!jا86(~^,j
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