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fix typo (stabilization) 

Signed-off-by: 林博仁(Buo-ren, Lin) <Buo.Ren.Lin@gmail.com>
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林博仁(Buo-ren, Lin) 2021-09-14 00:54:21 +08:00 committed by GitHub
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README.md
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@ -26,7 +26,7 @@ For Windows and MacOS users, use the udp2raw in [this repo](https://github.com/w
### Send/Receive UDP Packets with ICMP/FakeTCP/UDP headers
ICMP/FakeTCP headers help you bypass UDP blocking, UDP QOS or improper UDP NAT behavior on some ISPs. In ICMP header mode,udp2raw works like an ICMP tunnel.
UDP headers are also supported. In UDP header mode, it behaves just like a normal UDP tunnel, and you can just make use of the other features (such as encryption, anti-replay, or connection stalization).
UDP headers are also supported. In UDP header mode, it behaves just like a normal UDP tunnel, and you can just make use of the other features (such as encryption, anti-replay, or connection stabilization).
### Simulated TCP with Real-time/Out-of-Order Delivery
In FakeTCP header mode,udp2raw simulates 3-way handshake while establishing a connection,simulates seq and ack_seq while data transferring. It also simulates a few TCP options such as: `MSS`, `sackOk`, `TS`, `TS_ack`, `wscale`. Firewalls will regard FakeTCP as a TCP connection, but its essentially UDP: it supports real-time/out-of-order delivery(just as normal UDP does), no congestion control or re-transmission. So there wont be any TCP over TCP problem when using OpenVPN.
@ -38,7 +38,7 @@ In FakeTCP header mode,udp2raw simulates 3-way handshake while establishing a co
[Notes on encryption](https://github.com/wangyu-/udp2raw-tunnel/wiki/Notes-on-encryption)
### Failure Dectection & Stablization (Connection Recovery)
### Failure Dectection & Stabilization (Connection Recovery)
Conection failures are detected by heartbeats. If timed-out, client will automatically change port number and reconnect. If reconnection is successful, the previous connection will be recovered, and all existing UDP conversations will stay vaild.
For example, if you use udp2raw + OpenVPN, OpenVPN won't lose connection after any reconnect, **even if network cable is re-plugged or WiFi access point is changed**.
@ -83,7 +83,7 @@ Now,an encrypted raw tunnel has been established between client and server throu
### Note
To run on Android, check [Android_Guide](/doc/android_guide.md)
`-a` option automatically adds an iptables rule (or a few iptables rules) for you, udp2raw relys on this iptables rule to work stably. Be aware you dont forget `-a` (its a common mistake). If you dont want udp2raw to add iptables rule automatically, you can add it manually(take a look at `-g` option) and omit `-a`.
`-a` option automatically adds an iptables rule (or a few iptables rules) for you, udp2raw relies on this iptables rule to work stably. Be aware you dont forget `-a` (its a common mistake). If you dont want udp2raw to add iptables rule automatically, you can add it manually(take a look at `-g` option) and omit `-a`.
# Advanced Topic