Github user abbycin commented on the issue:
https://github.com/apache/trafficserver/issues/1251
@shukitchan
there are three map rule in remap.config
```
map http://192.168.56.102:80/cache/ http://{cache}
map http://192.168.56.102/ http://192.168.56.102/ @plugin=libtslua.so
@pparam=/usr/local/etc/trafficserver/sta_modifyurl.lua
regex_map http://(.*) http://$1
```
as you can see, the remap plugin is only `ts-lua`, and only `cacheurl`
plugin is enabled in plugin.config.
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