WebGui diagnostic >backup/restore
The file is encrypted using a user provided password. Here's an output of encrypted file;
NOTE: the file extension is stills a "xml", but the data between BEGIN config.xml and END config.xml is now encrypted.
The pfSense also has the ability to preform configuration diffs from the WebGUI. Most modern firewalls don't even offer this capability outside of JuniperSRX and PaloAlto-NETWORKS PAs
( show conf | compare rollback or show config diff respectively )
( sample diff screen )
So you have a few tricks for cfg management and storage and diff.
NSE ( Network Security Expert) and Route/Switching Engineer.
kfelix -----a----t---- socpuppets ---dot---com
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