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Merge branch 'master' of https://github.com/wangyu-/udp2raw-tunnel

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wangyu- 2017-08-27 03:31:30 -05:00
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README.md
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@ -71,7 +71,7 @@ To run on Android, check [Android_Guide](/doc/android_guide.md)
### Usage
```
udp2raw-tunnel
version: Aug 18 2017 00:29:11
version: Aug 26 2017 08:30:48
repository: https://github.com/wangyu-/udp2raw-tunnel
usage:
@ -84,14 +84,16 @@ common options,these options must be same on both side:
--cipher-mode <string> avaliable values:aes128cbc(default),xor,none
--auth-mode <string> avaliable values:md5(default),crc32,simple,none
-a,--auto-rule auto add (and delete) iptables rule
-g,--gen-rule generate iptables rule then exit
-g,--gen-rule generate iptables rule then exit,so that you can copy and
add it manually.overrides -a
--disable-anti-replay disable anti-replay,not suggested
client options:
--source-ip <ip> force source-ip for raw socket
--source-port <port> force source-port for raw socket,tcp/udp only
this option disables port changing while re-connecting
other options:
--conf-file <string> read options from a configuration file instead of command line
--conf-file <string> read options from a configuration file instead of command line.
check example.conf in repo for format
--log-level <number> 0:never 1:fatal 2:error 3:warn
4:info (default) 5:debug 6:trace
--log-position enable file name,function name,line number in log
@ -101,11 +103,16 @@ other options:
--sock-buf <number> buf size for socket,>=10 and <=10240,unit:kbyte,default:1024
--seqmode <number> seq increase mode for faketcp:
0:dont increase
1:increase every packet
2:increase randomly, about every 3 packets (default)
--lower-level <string> send packet at OSI level 2, format:'if_name#dest_mac_adress'
ie:'eth0#00:23:45:67:89:b9'.Beta.
1:increase every packet(default)
2:increase randomly, about every 3 packets
--lower-level <string> send packets at OSI level 2, format:'if_name#dest_mac_adress'
ie:'eth0#00:23:45:67:89:b9'.or try '--lower-level auto' to obtain
the parameter automatically,specify it manually if 'auto' failed
--gen-add generate iptables rule and add it permanently,then exit.overrides -g
--keep-rule monitor iptables and auto re-add if necessary.implys -a
--clear clear any iptables rules added by this program.overrides everything
-h,--help print this help message
```
### Iptables rules,`-a` and `-g`

27
doc/README.zh-cn.md
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@ -83,12 +83,14 @@ https://github.com/wangyu-/udp2raw-tunnel/releases
### 提醒
如果要在anroid上运行，请看[Android简明教程](/doc/android_guide.md)
如果要在梅林固件的路由器上使用，添加`--lower-level auto` `--keep-rule`
# 进阶操作说明
### 命令选项
```
udp2raw-tunnel
version: Aug 18 2017 00:29:11
version: Aug 26 2017 08:30:48
repository: https://github.com/wangyu-/udp2raw-tunnel
usage:
@ -101,13 +103,16 @@ common options,these options must be same on both side:
--cipher-mode <string> avaliable values:aes128cbc(default),xor,none
--auth-mode <string> avaliable values:md5(default),crc32,simple,none
-a,--auto-rule auto add (and delete) iptables rule
-g,--gen-rule generate iptables rule then exit
-g,--gen-rule generate iptables rule then exit,so that you can copy and
add it manually.overrides -a
--disable-anti-replay disable anti-replay,not suggested
client options:
--source-ip <ip> force source-ip for raw socket
--source-port <port> force source-port for raw socket,tcp/udp only
this option disables port changing while re-connecting
other options:
--conf-file <string> read options from a configuration file instead of command line.
check example.conf in repo for format
--log-level <number> 0:never 1:fatal 2:error 3:warn
4:info (default) 5:debug 6:trace
--log-position enable file name,function name,line number in log
@ -117,11 +122,16 @@ other options:
--sock-buf <number> buf size for socket,>=10 and <=10240,unit:kbyte,default:1024
--seqmode <number> seq increase mode for faketcp:
0:dont increase
1:increase every packet
2:increase randomly, about every 3 packets (default)
--lower-level <string> send packet at OSI level 2, format:'if_name#dest_mac_adress'
ie:'eth0#00:23:45:67:89:b9'.Beta.
1:increase every packet(default)
2:increase randomly, about every 3 packets
--lower-level <string> send packets at OSI level 2, format:'if_name#dest_mac_adress'
ie:'eth0#00:23:45:67:89:b9'.or try '--lower-level auto' to obtain
the parameter automatically,specify it manually if 'auto' failed
--gen-add generate iptables rule and add it permanently,then exit.overrides -g
--keep-rule monitor iptables and auto re-add if necessary.implys -a
--clear clear any iptables rules added by this program.overrides everything
-h,--help print this help message
```
### iptables 规则,`-a`和`-g`
@ -134,12 +144,17 @@ other options:
### `--seq-mode`
facktcp模式并没有模拟tcp的全部。所以理论上有办法把faketcp和真正的tcp流量区分开来（虽然大部分ISP不太可能做这种程度的包检测）。seq-mode可以改变一些seq ack的行为。如果遇到了连接问题，可以尝试更改。在我这边的移动线路用3种模式都没问题。
### `--keep-rule`
定期主动检查iptables，如果udp2raw添加的iptables规则丢了，就重新添加。在一些iptables可能会被其他程序清空的情况下(比如梅林固件和openwrt的路由器)格外有用。
### `--lower-level`
大部分udp2raw不能连通的情况都是设置了不兼容的iptables造成的。--lower-level选项允许绕过本地iptables。在一些iptables不好改动的情况下尤其有效（比如你用的是梅林固件，iptables全是固件自己生成的）。
##### 格式
`if_name#dest_mac_adress`,例如 `eth0#00:23:45:67:89:b9` 。`eth0`换成你的出口网卡名。`00:23:45:67:89:b9`换成网关的mac地址（如果client和server在同一个局域网内，可能不需要网关，这时候直接用对方主机的mac地址，这个属于罕见的应用场景，可以忽略）。
可以用`--lower-level auto`自动获取参数，如果获取参数失败，再手动填写。
##### client端获得--lower-level参数的办法
在client 端，运行`traceroute <server_ip>`，记下第一跳的地址，这个就是`网关ip`。再运行`arp -s <网关ip>`，可以同时查到出口网卡名和mac。