質問編集履歴
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###質問
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このAPサーバーはキャッシュサーバーを通じてグローバルネットワークに接続することは可能でしょうか？
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###追記
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キャッシュサーバー
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net.ipv4.ip_forward = 1
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iptables
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```ここに言語を入力
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#!/bin/bash
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internal_net='192.168.1.0/24'
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my_internal_ip='192.168.1.1'
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local1='192.168.0.0/16'
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local2='127.0.0.0/8'
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iptables -F
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iptables -X
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iptables -P INPUT DROP
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iptables -P OUTPUT ACCEPT
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iptables -P FORWARD DROP
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iptables -A INPUT -i lo -j ACCEPT
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iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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iptables -A FORWARD -i eth1 -o eth0 -s $internal_net -j ACCEPT
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iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
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iptables -t nat -A POSTROUTING -o eth0 -s $internal_net -j MASQUERADE
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iptables -A OUTPUT -o eth0 -d $local1 -j DROP
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iptables -A OUTPUT -o eth0 -d $local2 -j DROP
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iptables -A INPUT -f -j LOG --log-prefix '[IPTABLES FRAGMENT] : '
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iptables -A INPUT -f -j DROP
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iptables -N LOG_PINGDEATH
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iptables -A LOG_PINGDEATH -m limit --limit 1/s --limit-burst 4 -j ACCEPT
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iptables -A LOG_PINGDEATH -j LOG --log-prefix '[IPTABLES PINGDEATH] : '
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iptables -A LOG_PINGDEATH -j DROP
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iptables -A INPUT -p icmp --icmp-type echo-request -j LOG_PINGDEATH
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iptables -A INPUT -d 255.255.255.255 -j DROP
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iptables -A INPUT -d 224.0.0.1 -j DROP
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iptables -A INPUT -p tcp --dport 113 -j REJECT --reject-with tcp-reset
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iptables -A INPUT -i eth0 -p tcp --dport 80 -j ACCEPT
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iptables -A INPUT -i eth0 -p tcp --dport 443 -j ACCEPT
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iptables -A INPUT -i eth0 -p tcp --dport 22 -j ACCEPT
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iptables -N LOGGING
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iptables -A LOGGING -j LOG --log-level warning --log-prefix "DROP:" -m limit
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iptables -A LOGGING -j DROP
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iptables -A INPUT -j LOGGING
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iptables -A FORWARD -j LOGGING
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iptables-save
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exit 0
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```
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125
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APサーバー
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/etc/network/interfaces
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```ここに言語を入力
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# This file describes the network interfaces available on your system
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# and how to activate them. For more information, see interfaces(5).
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# The loopback network interface
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auto lo
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iface lo inet loopback
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# The primary network interface
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auto eth0
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iface eth0 inet static
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150
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address 192.168.0.2
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netmask 255.255.255.0
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```
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