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README.md
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@ -9,7 +9,7 @@ When used alone,udp2raw tunnels only UDP traffic. Nevertheless,if you used udp2r
![image_vpn](images/udp2rawopenvpn.PNG) ![image_vpn](images/udp2rawopenvpn.PNG)
[简体中文](/doc/README.zh-cn.md) [简体中文](/doc/README.zh-cn.md)(内容更丰富)
# Support Platforms # Support Platforms
Linux host (including desktop Linux,Android phone/tablet,OpenWRT router,or Raspberry PI) with root access. Linux host (including desktop Linux,Android phone/tablet,OpenWRT router,or Raspberry PI) with root access.

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doc/README.zh-cn.md
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@ -79,10 +79,10 @@ https://github.com/wangyu-/udp2raw-tunnel/releases
``` ```
在server端运行: 在server端运行:
./udp2raw_amd64 -s -l0.0.0.0:4096 -r 127.0.0.1:7777 -a -k "passwd" --raw-mode faketcp ./udp2raw_amd64 -s -l0.0.0.0:4096 -r127.0.0.1:7777 -a -k "passwd" --raw-mode faketcp --cipher-mode xor
在client端运行: 在client端运行:
./udp2raw_amd64 -c -l0.0.0.0:3333 -r44.55.66.77:4096 -a -k "passwd" --raw-mode faketcp ./udp2raw_amd64 -c -l0.0.0.0:3333 -r44.55.66.77:4096 -a -k "passwd" --raw-mode faketcp --cipher-mode xor
``` ```
###### Server端输出: ###### Server端输出:
![](/images/output_server.PNG) ![](/images/output_server.PNG)
@ -96,6 +96,8 @@ https://github.com/wangyu-/udp2raw-tunnel/releases
不论你用udp2raw来加速kcptun还是vpn,为了稳定使用,都需要设置合理的MTU（在kcptun/vpn里设置，而不是在udp2raw里），建议把MTU设置成1200。client和server端都要设置。 不论你用udp2raw来加速kcptun还是vpn,为了稳定使用,都需要设置合理的MTU（在kcptun/vpn里设置，而不是在udp2raw里），建议把MTU设置成1200。client和server端都要设置。
### 提醒 ### 提醒
`--cipher-mode xor`表示仅使用简单的XOR加密，这样可以节省CPU占用，以免CPU成为速度瓶颈。如果你需要更强的加密，可以去掉此选项，使用默认的AES加密。加密相关的选项见后文的`--cipher-mode`和`--auth-mode`。
如果要在anroid上运行，请看[Android简明教程](/doc/android_guide.md) 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` 如果要在梅林固件的路由器上使用，添加`--lower-level auto` `--keep-rule`
@ -164,7 +166,7 @@ other options:
用raw收发udp包也类似，只是内核回复的是icmp unreachable。而用raw 收发icmp，内核会自动回复icmp echo。都需要相应的iptables规则。 用raw收发udp包也类似，只是内核回复的是icmp unreachable。而用raw 收发icmp，内核会自动回复icmp echo。都需要相应的iptables规则。
### `--cipher-mode` 和 `--auth-mode` ### `--cipher-mode` 和 `--auth-mode`
如果要最大的安全性建议用aes128cbc+md5。如果要运行再路由器上，建议xor+simple。但是注意xor+simple只能骗过防火墙的包检测，不能防止真正的攻击者。 如果要最大的安全性建议用aes128cbc+md5。如果要运行在路由器上，建议用xor+simple，可以节省CPU。但是注意xor+simple只能骗过防火墙的包检测，不能防止真正的攻击者。
### `--seq-mode` ### `--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。 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。

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doc/build_guide.md
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@ -1,8 +1,10 @@
# udp2raw build guide # udp2raw build guide
the guide on how to build udp2raw to you own platform the guide on how to build udp2raw
## linux platform which supports local compile ## Build udp2raw for a specific platform
### linux platform which supports local compile
such as PC,raspberry pi such as PC,raspberry pi
##### install git ##### install git
@ -36,7 +38,7 @@ sudo yum groupinstall 'Development Tools'
run 'make'，compilation done. the udp2raw file is the just compiled binary run 'make'，compilation done. the udp2raw file is the just compiled binary
## platform which needs cross-compile ### platform which needs cross-compile
such as openwrt router,run following instructions on your PC such as openwrt router,run following instructions on your PC
##### install git ##### install git
@ -74,3 +76,17 @@ cc_cross=/home/wangyu/Desktop/OpenWrt-SDK-15.05-ar71xx-generic_gcc-4.8-linaro_uC
run `make cross`，the just generated `udp2raw_cross` is the binary,compile done. copy it to your router to run. run `make cross`，the just generated `udp2raw_cross` is the binary,compile done. copy it to your router to run.
`make cross` generates non-static binary. If you have any problem on running it,try to compile a static binary by using `make cross2` or `make cross3`.If your toolchain supports static compiling, usually one of them will succeed. The generated file is still named `udp2raw_cross`. `make cross` generates non-static binary. If you have any problem on running it,try to compile a static binary by using `make cross2` or `make cross3`.If your toolchain supports static compiling, usually one of them will succeed. The generated file is still named `udp2raw_cross`.
## Build a full release (include all binaries supported in the makefile)
1. make sure your linux is amd64 version
2. clone the repo
3. make sure you have g++ , make sure your g++ support the `-m32` option; make your your have installed libraries for `-m32` option
4. download https://github.com/wangyu-/files/releases/download/files/toolchains.tar.gz , and extract it to the right position (according to the makefile)
5. run `make release` inside udp2raw's directory