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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 9 pptx

designing and implementing linux firewalls and qos using netfilter iproute2 nat and 17 - filter

designing and implementing linux firewalls and qos using netfilter iproute2 nat and 17 - filter

... copyright owner and the publisher.11 10 09 08 07 1 2 3 4 5 6 7 8 9 ISBN-10: 1- 593 27-142-5ISBN-13: 97 8-1- 593 27-142-8Publisher: William PollockProduction Editor: Elizabeth CampbellCover and Interior ... 250, San Francisco, CA 94 107phone: 415.863 .99 00; fax: 415.863 .99 50; info@nostarch.com; www.nostarch.comLibrary of Congress Cataloging-in-Publication DataKong, Joseph. Designing BSD rootkits ... ISBN-13: 97 8-1- 593 27-142-8 ISBN-10: 1- 593 27-142-5 1. FreeBSD. 2. Free computer software. 3. Operating systems (Computers) I. Title. QA76.76.O63K6 49 2007 005.3 dc22 2007007644No Starch Press and...
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 1 pot

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 1 pot

... 4: NAT and Packet Mangling with iptables 89 A Short Introduction to NAT and PAT (NAPT) 89 SNAT and Masquerade 92 DNAT 94 Full NAT (aka Full Cone NAT) 95 PAT or NAPT 96 NAT Using iptables 97 Setting ... (UDP)•• Designing and Implementing Linux Firewalls and QoS using netlter, iproute2, NAT, and L7-lterLearn how to secure your system and implement QoS using real-world scenarios for networks ... A Typical Small ISP 191 The Network 192 Building the Network Conguration 194 Designing and Implementing the Firewalls 195 The Intranet Server: 1.2.3.10 196 The Wireless Server: 1.2.3.130 200The...
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 2 pps

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 2 pps

... be (256 – 64 =) 192 , and so, I get the subnet mask 255.255.255. 192 , and subnets 192 .168.1.0, 192 .168.1.64, 192 .168.1.128, and 192 .168.1.255.The trick for subneting class C networks is to subtract ... 110; so the rst byte must have its decimal value between 192 and 223. A valid class C IP address starts with a number between 192 and 223. Class D addresses were created to enable multicasting ... networks directly from AS 1, and can also receive them from AS 2 and AS 4. The router nds the best path to AS 1 networks and sends packets to those networks on that path, and if that link fails,...
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 4 docx

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 4 docx

... expensive dedicated QoS machines. Using Linux, you can implement QoS in all the ways any dedicated QoS machine can and even more. Also, one can make a bridge using a good PC running Linux that can ... might want to use your Linux box to do routing without NAT, and conntrack would slow things down in that case.IP_NF_NAT or Full NAT allows you to do SNAT, DNAT, MASQ, and redirects. You must ... rate 1000Kbit ceil 1000Kbit burst 2849b cburst 2849bclass htb 10:200 parent 10:10 leaf 8073: prio 0 rate 4000Kbit ceil 4000Kbit burst 6 599 b cburst 6 599 bclass htb 10:300 parent 10:10 leaf...
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 5 pps

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 5 pps

... destination IP address to 192 .168.1.60 if the packet is destined for 192 .168.20.60. Linux Router 2 does this and then looks up 192 .168.1.60 in its routing table and sees that 192 .168.1.60 is directly ... [application/x-tar]100%[==================================================================================>] 18 ,91 0 K/s 19: 59: 52 (181 .98 KB/s) - `ipp2p-X.Y.Z.tar.gz' saved [1 891 0/1 891 0]Next, we extract the les from the archive:router:~# ... POSTROUTING chain and matches the rule that states that for every packet from 192 .168.1.60 to 192 .168.20.60, it should change the source IP address to 192 .168.10.60. Linux Router 1 does that, and due...
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 6 pps

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 6 pps

... them!^[\xe3\xc5\xe5\xd4].?.?.?.?([\x01\x02\x05\x14\x15\x16\x18\x 19\ x1a\x1b\x1c\x20\x21\x32\x33\x34\x35\x36\x38\x40\x41\x42\x43\x46\x47\x48\x 49\ x4a\x4b\x4c\x4d\x4e\x4f\x50\x51\x52\x53\x54\x55\x56\x57\x58\x5b\x5c\x60\x81\x82\x90\x91\x93\x96\x97\x98\x 99\ x9a\x9b\x9c\x9e\xa0\xa1\xa2\xa3\xa4]|\x 59 ?[ -~]|\x96 $)# matches everything and too much# ^(\xe3|\xc5|\xd4)# ipp2p essentially ... 2849bclass htb 1:300 parent 1:20 leaf 8083: prio 0 rate 256000bit ceil 1000Kbit burst 191 9b cburst 2849bclass htb 1:400 parent 1:20 leaf 8084: prio 0 rate 256000bit ceil 1000Kbit burst 191 9b ... we assign to Eth1 on our Linux router the IP address 1.1.2.1, netmask 255.255.255. 192 , and congure the web and mail server to have 1.1.2.2, netmask 255.255.255. 192 , and default gateway 1.1.2.1....
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 7 ppt

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 7 ppt

... addresses 192 .168.3.1 and 192 .168.4.1.MSSQL B and C must have static private IP addresses— 192 .168.3.2 and 192 .168.4.2.The IP ATAs must have static private IP addresses— 192 .168.3.3 and 192 .168.3.4.The ... overlimits 0) lended: 0 borrowed: 0 giants: 0 tokens: 99 599 ctokens: 99 599 class htb 1:40 parent 1:1 leaf 400: prio 3 rate 224Kbit ceil 896 Kbit burst 1885b cburst 2745b Sent 0 bytes 0 pkts ... destinationMARK all 0.0.0.0/0 192 .168.4.3 MARK set 0x1MARK all 192 .168.1.2 192 .168.4.2 MARK set 0x2MARK all 1.1.4.1 192 .168.4.2 MARK set 0x3MARK all 192 .168.1.0/24 192 .168.4.0/24 MARK set 0x4•••••Medium...
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 8 pps

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 8 pps

... 15tc filter add dev eth0 protocol ip parent 1:0 prio 5 u32 match ip src 1.2.3.34 flowid 1:100#default classtc class add dev eth0 parent 1:10 classid 1 :99 99 htb rate 16KbitChapter 7[ 199 ]$IPT ... classes)tc qdisc del dev wlan0 root#attach root qdisc and create the 100Mbps root classtc qdisc add dev wlan0 root handle 1: htb default 99 99 tc class add dev wlan0 parent 1:0 classid 1:10 htb ... classes)tc qdisc del dev eth0 root#attach root qdisc and create the 100Mbps root classtc qdisc add dev eth0 root handle 1: htb default 99 99 tc class add dev eth0 parent 1:0 classid 1:10 htb rate...
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 9 pptx

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 9 pptx

... root#attach root qdisc and create the 100Mbps root classtc qdisc add dev eth0 root handle 1: htb default 99 99 tc class add dev eth0 parent 1:0 classid 1:10 htb rate 100Mbit#access server and wireless ... root#attach root qdisc and create the 100Mbps root classtc qdisc add dev eth3 root handle 1: htb default 99 99 tc class add dev eth3 parent 1:0 classid 1:10 htb rate 100Mbit#access server and wireless ... between those two; however, we prefer using Linux as much as we can because of the lower costs and higher application exibility.The biggest disadvantage in using Linux is that there are fewer options...
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Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 10 doc

Designing and Implementing Linux Firewalls and QoS using netfilter, iproute2, NAT, and filter phần 10 doc

... scenarios 91 many-to-one scenarios 91 Masquerade 92 one-to-many scenarios 91 one-to-one scenarios 91 private IP addresses, used by hosts 90 router 89 scenarios 91 SNAT 92 SOHO routers 89 working 90 , 91 NAT ... designing 195 rewalls, implementing 195 intranet server 193 , 196 intranet server, rewall policy 196 network 192 network after subnetting 195 network conguration, building 194 network diagram 2 09 QoS ... AS5350First of all, we need to allow SSH, Telnet, and VNC access to these machines. For SSH, we change the default port 22 to 399 99. We will use port 399 99 for VNC as well, but Telnet is default on...
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