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Updated run udp2raw with non root account (markdown)

wangyu- 2017-12-14 08:41:32 -08:00
parent 20013a05d5
commit ec4a827489
1 changed files with 10 additions and 5 deletions
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run-udp2raw-with-non-root-account.md

@ -2,17 +2,22 @@ It's not security secure to run udp2raw with root. This page demonstrates how to
You must have `setcap` as a prerequisite. `setcap` is shipped with most desktop linux distributions by defualt. But its seems to be missing on OpenWRT/LEDE.
1. grant udp2raw CAP_NET_RAW permission
```
# grant udp2raw CAP_NET_RAW permission
sudo setcap cap_net_raw+ep udp2raw_amd64
```
# run udp2raw with -g option instead of -a, then udp2raw will generate a iptables rule for you
2. run udp2raw with -g option instead of -a, then udp2raw will generate a iptables rule for you
```
./udp2raw_amd64 -s -l0.0.0.0:4096 -r 127.0.0.1:7777 -k "passwd" --raw-mode faketcp -g
# add the generated iptables rule manually
```
3. add the generated iptables rule manually
```
sudo iptables -I INPUT -p tcp -m tcp --dport 4096 -j DROP
```
#then run udp2raw without -g option
4. then run udp2raw without -g option
```
./udp2raw_amd64 -s -l0.0.0.0:4096 -r 127.0.0.1:7777 -k "passwd" --raw-mode faketcp
```