參考:https://www.5288z.com/2220.html? ? ? ?

? ? ? ??https://github.com/meyerd/n2n/wiki

1. 下載源碼 git clone https://github.com/meyerd/n2n.git

2. 安裝工具

• brew cask install tuntap
• brew install openssl
• brew install cmake

3. 編譯n2n

• ~/n2n/n2n_v2$ mkdir build
• ~/n2n/n2n_v2$? cd build
• ~/n2n/n2n_v2/build$ cmake -DOPENSSL_ROOT_DIR=/usr/local/opt/openssl ../
• -- The C compiler identification is AppleClang 8.1.0.8020042
• -- The CXX compiler identification is AppleClang 8.1.0.8020042
• -- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc
• -- Check for working C compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -- works
• -- Detecting C compiler ABI info
• -- Detecting C compiler ABI info - done
• -- Detecting C compile features
• -- Detecting C compile features - done
• -- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++
• -- Check for working CXX compiler: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -- works
• -- Detecting CXX compiler ABI info
• -- Detecting CXX compiler ABI info - done
• -- Detecting CXX compile features
• -- Detecting CXX compile features - done
• -- Found OpenSSL: /usr/local/opt/openssl/lib/libcrypto.dylib (found version "1.0.2l")
• -- Configuring done
• -- Generating done
• -- Build files have been written to: ~/n2n/n2n_v2/build
• ~/n2n/n2n_v2/build$ sudo make install
• sudo chmod -R 777 /usr/local/sbin
• export PATH=$PATH:/usr/local/sbin

4. 創建n2n連接

sudo edge -d n2n0 -c mynetwork -k encryptme -u 99 -g 99 -m 3C:A0:12:34:56:78 -a 1.2.3.4 -l a.b.c.d:xyw -v -f

5. 如果出現錯誤提示ERROR: Unable to open tap device，可以通過下面方式安裝虛擬網卡

• brew cask install tuntap
• 查看是否有如下兩個內核擴展
• ls /Library/Extensions/tap.kext
• ls /Library/Extensions/tun.kext
• 校驗內核擴展的參數
• find /Library/Extensions/{tap,tun}.kext/ -type f | xargs shasum
• 加載內核擴展
• sudo /sbin/kextload /Library/Extensions/tap.kext
• sudo /sbin/kextload /Library/Extensions/tun.kext

6. edge幫助

• edge?-d??<?tun??device?>??-a??<?tun??IP?address?>??-c??<?community?>??-k??<?encrypt??key?>??-s??<?netmask?>??[-u??<?uid?>??-g??<?gid?>?][-f][-m??<?MAC??address?>?]??
• -l??<?supernode??host:port?>??[-p??<?local??port?>?]?[-M??<?mtu?>?]?[-t]?[-r]?[-v]?[-b]?[-h]??
• ??
• -d??<?tun??device?>???????????|?tun?device?name??
• -a??<?tun??IP?address?>???????|?n2n?IP?address??
• -c??<?community?>????????????|?n2n?community?name??
• -k??<?encrypt??key?>??????????|?Encryption?key?(ASCII)?-?also??N2N_KEY?=?<?encrypt??key?>???
• -s??<?netmask?>??????????????|?Edge?interface?netmask?in?dotted?decimal?notation?(255.255.255.0)??
• -l??<?supernode??host:port?>??|?Supernode?IP:port??
• -b???????????????????????|?Periodically?resolve?supernode?IP??
• ?????????????????????????|?(when?supernodes?are?running?on?dynamic?IPs)??
• -p??<?local??port?>???????????|?Local?port?used?for?connecting?to?supernode??
• -u??<?UID?>??????????????????|?User?ID?(numeric)?to?use?when?privileges?are?dropped??
• -g??<?GID?>??????????????????|?Group?ID?(numeric)?to?use?when?privileges?are?dropped??
• -f???????????????????????|?Fork?and?run?as?a?daemon.?Use?syslog.??
• -m??<?MAC??address?>??????????|?Choose?a?MAC?address?for?the?TAP?interface??
• ?????????????????????????|?eg.?-m?01:02:03:04:05:06??
• -M??<?mtu?>??????????????????|?Specify?n2n?MTU?(default?1400)??
• -t???????????????????????|?Use?http?tunneling?(experimental)??
• -r???????????????????????|?Enable?packet?forwarding?through?n2n?community??
• -v???????????????????????|?Verbose??

總結

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