Archived Log Files
On the Logging & Reporting > View Log Files > Archived Log Files tab you can manage the log file archive. All log files are archived on a daily basis. To access an archived log file, select the subsystem of Sophos UTM for which logs are written as well as a year and month.
All available log files that match your selection will be displayed in chronological order. You can either view the archived log file or download it in zip file format. Click Export all logs to download all listed log files at once, including the Sophos UTM system ID.
Note – Log files with an uncompressed size bigger than 512 MB cannot be viewed. Log files bigger than 512 MB cannot be downloaded.