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95 lines
2.2 KiB
Markdown
95 lines
2.2 KiB
Markdown
# udp2raw+openvpn config guide
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# udp2raw command
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#### run at server side
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```
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./udp2raw_amd64 -s -l0.0.0.0:8855 -r 127.0.0.1:7777 -k "passwd" --raw-mode faketcp -a
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```
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#### run at client side
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assume server ip is 45.66.77.88
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```
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./udp2raw_amd64 -s -l0.0.0.0:3333 -r 45.66.77.88:8855 -k "passwd" --raw-mode faketcp -a
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```
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#### hint
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You can add `--cipher-mode xor` `--auth-mode simple` to **both** sides to obtain maximum performance(but poor security).
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# openvpn config
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#### client side config
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```
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client
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dev tun100
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proto udp
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remote 127.0.0.1 3333
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resolv-retry infinite
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nobind
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persist-key
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persist-tun
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ca /root/add-on/openvpn/ca.crt
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cert /root/add-on/openvpn/client.crt
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key /root/add-on/openvpn/client.key
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keepalive 3 20
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verb 3
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mute 20
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comp-lzo no
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cipher none ##### disable openvpn 's cipher and auth for maxmized peformance.
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auth none ##### you can enable openvpn's cipher and auth,if you dont care about peformance,or you dont trust udp2raw 's encryption
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fragment 1200 ##### very important you can turn it up a bit. but,the lower the safer
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mssfix 1200 ##### very important
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sndbuf 2000000 ##### important
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rcvbuf 2000000 ##### important
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txqueuelen 4000 ##### suggested
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```
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#### server side config
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```
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local 0.0.0.0
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port 7777
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proto udp
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dev tun
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ca /etc/openvpn/easy-rsa/2.0/keys/ca.crt
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cert /etc/openvpn/easy-rsa/2.0/keys/server.crt
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key /etc/openvpn/easy-rsa/2.0/keys/server.key
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dh /etc/openvpn/easy-rsa/2.0/keys/dh1024.pem
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server 10.222.2.0 255.255.255.0
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ifconfig 10.222.2.1 10.222.2.6
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client-to-client
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duplicate-cn
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keepalive 10 60
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max-clients 50
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persist-key
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persist-tun
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status /etc/openvpn/openvpn-status.log
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verb 3
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mute 20
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comp-lzo no
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cipher none ##### disable openvpn 's cipher and auth for maxmized peformance.
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auth none ##### you can enable openvpn's cipher and auth,if you dont care about peformance,or you dont trust udp2raw 's encryption
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fragment 1200 ##### very important you can turn it up a bit. but,the lower the safer
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mssfix 1200 ##### very important
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sndbuf 2000000 ##### important
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rcvbuf 2000000 ##### important
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txqueuelen 4000 ##### suggested
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```
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