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Sophos UTM SG210 web protection exceptions cidr format to regex

Hello,

I try to get office 365 to work in our network with the web protection (standard mode) proxy enabled.

Therefore i had to create a huge exception list based on a json file from microsoft.

I can handle the url exceptions so far.

But i am stuck with the ip entries.

My list for importing looks like this (very small selection)

13.107.6.152/31
13.107.18.10/31
13.107.128.0/22
23.103.160.0/20
40.96.0.0/13
40.104.0.0/15
52.96.0.0/14
131.253.33.215/32
132.245.0.0/16
150.171.32.0/22
204.79.197.215/32

I know that the sophos can't handle CIDR format.

If i check the CIDR via Website, 150.171.32.0/22 is 150.171.32.1 to 150.171.35.254

I have no clue what roulset i could implement for converting this CIDR to regex.

Do anyone know any solutions?


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