udp forwarding? about igniter HOT 16 CLOSED

https://github.com/oasiscifr/igniter/releases/tag/v0.1.0-clash-13

@malikshi Try this pre-release.

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Helo?

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I don't use these apps, any other way to reproduce the problem?

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You can take example as game connections that require udp.

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I don't play games on the mobile platform, please name a few.

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Well. Pubgm, mlbb, firefire, codm and etc.

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I tested com.tencent.clover(雷霆战机) using clash bypass china mode, it looks UDP forwarding is working as expected.

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well im outside china. what i need to do change here? when im see log in server its always disconnected immidiately after the request udp forward.(no data/traffic sent). i will try capture the log.

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Please test google duo in bypass china mode and global mode，post server log and full igniter logcat

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Please try https://github.com/trojan-gfw/igniter/releases/tag/v0.1.0-pre-alpha15 and reopen if you still have the same problem.

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@wongsyrone can u check igniter library again for udphandler https://github.com/trojan-gfw/igniter-go-libs or this one https://github.com/trojan-gfw/go-tun2socks/blob/master/core/udp_conn.go
maybe something wrong with it.

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Thanks for the pointer.

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The combination of go-tun2socks and trojan does have some issues about UDP forwarding.
https://github.com/oasiscifr/igniter/tree/fix
In this commit, when I try to turn off FakeDNS in global mode, all DNS queries failed.

The log:

2020-03-01 12:49:39.192 18580-19906/io.github.trojan_gfw.igniter E/trojan: [2020-03-01 12:49:39] [ERROR] 127.0.0.1:44487 cannot establish connection to remote server xxx.xxx.xxx.xxx:443: Operation Canceled
2020-03-01 12:49:44.197 18580-18752/io.github.trojan_gfw.igniter I/GoLog: igniter-golib-log: [tun2socks] [proxy] [udp] [unknown process] 1.1.1.1:53
2020-03-01 12:49:44.202 18580-19906/io.github.trojan_gfw.igniter E/trojan: [2020-03-01 12:49:44] [ERROR] 127.0.0.1:44491 cannot establish connection to remote server xxx.xxx.xxx.xxx:443: Operation Canceled
2020-03-01 12:49:49.215 18580-18752/io.github.trojan_gfw.igniter I/GoLog: igniter-golib-log: [tun2socks] [proxy] [udp] [unknown process] 114.114.114.114:53
2020-03-01 12:49:49.218 18580-19906/io.github.trojan_gfw.igniter E/trojan: [2020-03-01 12:49:49] [ERROR] 127.0.0.1:44495 cannot establish connection to remote server xxx.xxx.xxx.xxx:443: Operation Canceled
2020-03-01 12:49:54.217 18580-18864/io.github.trojan_gfw.igniter I/GoLog: igniter-golib-log: [tun2socks] [proxy] [udp] [unknown process] 1.1.1.1:53
2020-03-01 12:49:54.220 18580-19906/io.github.trojan_gfw.igniter E/trojan: [2020-03-01 12:49:54] [ERROR] 127.0.0.1:44499 cannot establish connection to remote server xxx.xxx.xxx.xxx:443: Operation Canceled
2020-03-01 12:49:59.241 18580-18936/io.github.trojan_gfw.igniter I/GoLog: igniter-golib-log: [tun2socks] [proxy] [udp] [unknown process] 114.114.114.114:53

The bypass mode (and the global mode before) worked because, thanks to fakeDNS, DNS queries in UDP are never forwarded. All traffic during access web services is in TCP.

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@wongsyrone Help needed.

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@oasiscifr tried with and without bypass China all working. Good 👍 should give pictures?

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ref: 84973ca

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