adding trailing slash rewrite breaks umbraco backend

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Bezmundo 48 posts 139 karma points

Dec 28, 2017 @ 15:27
0

Adding Trailing Slash Rewrite breaks Umbraco backend
Hi, Having an issue with adding a redirect to add a trailing slash to URL's.

When the rule below is applied it causes the backend of Umbraco not to load as it can no longer find Angular or required files.
```
<rule name="Add trailing slash" stopProcessing="true">
<match url="(.*[^/])$" />
<conditions>
<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true"/>
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />

</conditions>
<action type="Redirect" redirectType="Permanent" url="{R:1}/" />
</rule>
```
Running Umbraco 7.5.4

Thank you
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Nik 1614 posts 7260 karma points MVP 7x c-trib

Dec 28, 2017 @ 16:33
101
Hi Bezmundo,

Add this to your Conditions list:
```
<add input="{URL}" pattern="/umbraco" negate="true" />
```
It should exclude any umbraco elements from your re-write rule including surface controllers and similar.

Thanks,

Nik
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Patrick van Kemenade 101 posts 339 karma points

Jan 14, 2020 @ 13:16

        <rule name="Add trailing slash" stopProcessing="true">
      <match url="(.*[^/])$" />
      <conditions>
        <add input="{URL}" negate="true" pattern="^/umbraco.*$" />
        <add input="{URL}" negate="true" pattern="^/app_plugins.*$" />
        <add input="{URL}" negate="true" pattern="^/install.*$" />
        <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
        <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
        <add input="{REQUEST_FILENAME}" pattern="(.*?)\.[a-zA-Z]{1,4}$" negate="true" />
      </conditions>
      <action type="Redirect" redirectType="Permanent" url="{R:1}/" />
    </rule>

This is what I ended up with, besides /umbraco there might be other plugins or code that can't handle the rewrite. If anybody has any suggestions or additions to this I would like to hear it (I'm not a IIS guru).

Please also note, if this rule is not the last one in your list the stopProcessing must be false.

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