我的openwrt配置

八 13th, 2011

路由器: tp-link wr841n (v7)
优点:11n路由器,信号不错,价格便宜。
缺点:空间较小,只有4M。刷openwrt是没有图形配置界面了,只能手动ssh配置。

刷openwrt:

http://downloads.openwrt.org/snapshots/trunk/ar71xx/openwrt-ar71xx-generic-tl-wr841nd-v7-squashfs-factory.bin

配置记录:
1. 安装必要的工具diff,pstree,以方便改设置和检查。
# opkg update
# rm -f /usr/bin/cmp
# opkg install diffutils
# opkg install psmisc
弄完后,把diff和pstree备份,
# opkg remove psmisc diffutils
然后把备份还原。没有办法,路由器空间较少。

2. 安装拨vpn所需组件:
# opkg install pptp mppe kmod-ipt-nathelper-extra
其中,前两个是保证路由器上能拔VPN(PPTP)。
最后一个是使接入的设备也能拨,这个说起来容易,但出事的时候很难知道是缺了哪个包。
仔细google来google去看了很多页面才偶然找到。

3. 配置网络
配置文件/etc/config/network
配置拔号:
config interface wan
option ifname eth1
option proto pppoe
option username xxxxx@163.xx
option password PASSWORD
option peerdns 1
配置VPN:
config interface vpn
option ifname pptp-vpn
option proto pptp
option username the_username
option password the_password
option server 74.117.x.x
option defaultroute 0
编辑/etc/ppp/options.pptp 删除其中的 defaultroute

4. 配置路由,使得不同的IP可以走VPN出口,也可以走默认的pppoe拔号出口。
修改 /etc/firewall
config zone
option name wan
list network ‘wan’
list network ‘vpn’

5. 配置dns, 使得*.google.com为某个固定IP,然后这个IP走VPN出口,防止google被河蟹。
编辑 /etc/dnsmasq.conf
address=/.google.com/74.125.153.106
编辑 /etc/config/network
config route
option interface vpn
option target 8.8.0.0
option netmask 255.255.0.0

config route
option interface vpn
option target 74.125.153.0
option netmask 255.255.255.0
由于google一个IP可以实现所有服务,因此这样配置是可以的。搜索,邮件啥的都不会有事。

6. 加速app store下载:
在/etc/hosts中:
203.69.113.238 itunes.apple.com
203.69.113.137 ax.init.itunes.apple.com
203.69.113.174 ax.su.itunes.apple.com

在 /etc/dnsmasq.conf 中:
address=/.phobos.apple.com/203.69.113.128

7. 使twitter和facebook的IP解析不被河蟹:
在/etc/dnsmasq.conf中:
server=/.facebook.com/8.8.8.8
server=/.twitter.com/8.8.8.8
注意前面已经设置了8.8.*.*走VPN出口,不担心它本身被河蟹。
暂时没时间进一步配置使它们解析后的地址走VPN了,反正已经不上了。
不过用类似前面GOOGLE的方式可以做到,只是要多写一些IP地址。

8. 增加一个普通用户,配置外部网SSH连接:
add @ /etc/shells
/bin/false
add @ /etc/passwd:
test1:*:1001:1001:test1:/home/test1:/bin/false
add @ /etc/group:
test1:x:1001:

#mkdir -p /home/test1/.ssh
#chown test1.test1 /home/test1
#chown test1.test1 /home/test1/.ssh
#chmod 0700 /home/test1
#chmod 0700 /home/test1/.ssh
#cp some-id-file.pub /home/test1/.ssh/authorized_keys
#chown test1.test1 /home/test1/.ssh/authorized_keys
#chmod 0600 /home/test1/.ssh/authorized_keys

add @ /etc/firewall
config redirect
option src wan
option src_dport 220
option dest lan
option dest_port 22
option proto tcp

9. 安装简单http服务器,使得可以看一些基本信息,并承载proxy.pac
#opkg install uhttpd
#/etc/init.d/uhttpd start
#cd /www
/www# ln -s /var/dhcp.leases dhcp.leases.txt
/www# vim proxy.pac

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    八 23rd, 201111:44

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